- Education & Technology Program
- ARRL - Home
- On The Air
- Awards
- A-1 Op
- A-1 Operator Club Nominees
- A-1 Operator Club Roster
- Awards Committee
- Awards Managers
- Code Proficiency Certificate
- QSLs
- DXCC
- DXCC Rules
- DXCC Awards Fees
- DXCC Forms
- Online DXCC Application
- DXCC FAQ
- DXCC General Program FAQ
- DXCC Application Process
- DXCC Application Forms
- DXCC Award Information
- DXCC Endorsements
- DXCC Field Checking
- DXCC Program Fee Schedule
- Navigate the Credit Slip
- DXCC and LoTW FAQ
- DXCC Card Checker Search
- DXCC Card Checker Master List
- DXCC Applications Received
- DXCC Standings
- e-QSL Policy
- Operating Ethics
- Country Lists & Prefixes
- Prefix Cross References
- International Call Sign Series
- Least Claimed List
- DXCC Challenge
- DeSoto
- Colvin Award Grants
- DXCC Contacts
- Badge Vendors
- 5 Band DXCC Application
- DX Advisory Committee
- DX Log Archive
- Mobile DXCC
- Order ARRL QSL Cards
- Email QSL Card Order
- FFMA
- QRP DXCC
- Triple Play
- VUCC
- Grid Chase
- Grids
- VUCC Card Checker Search
- VUCC International
- VUCC Standings
- WAC
- WAS
- WAS Forms
- WAS FAQ
- WAS Card Checker Search
- WAS International
- Mentor Award
- First Contact
- Rag Chewers Club
- Awards Branch Contacts
- Contests
- The ARRL Contest Update
- Contest Update Issues
- Contest Rules
- Straight Key Night
- RTTY Roundup
- School Club Roundup
- January VHF
- ARRL DX
- Rookie Roundup
- ARRL Digital Contest
- June VHF
- Field Day
- Field Day Rules
- Field Day Locator
- ARRL Field Day Banner Giveaway
- IARU HF World Championship
- 222 MHz and Up Distance Contest
- 10 GHz & Up
- September VHF
- Sweepstakes
- EME Contest
- 160 Meter
- 10 Meter
- Contest Calendar
- Contest Toolbox & Tutorials
- ARRL Contests -- Changes for 2019-2020
- ARRL Contests — Changes for 2018-2019
- ARRL Contests — Changes for 2017-2018
- Contest Glossary
- Contest Club Tools
- Contest Remote Station Operation
- Contest Sections List
- Operating Aids
- About Grid Squares
- Cabrillo Format & Tutorial
- Maps
- HF Contesting Guidelines
- Log Submission
- Logs Received
- ARRL Staff & CAC
- Results, Records and Awards
- Results Database
- Database Downloads
- Soapbox
- Contest Records
- 2018 and Earlier - Contest Log-Checking Reports
- Plaques and Awards
- Contest Results Articles
- Logbook of The World
- LoTW Help
- LoTW Help Ticket
- Username Change
- Quick Start
- Quick Start TQSL
- Additional Calls
- Quick Start Backup
- User Account
- Developer
- ADIF
- PlayDIF
- Upload
- Command
- LoTW - Trusted Partner
- Convention
- CQ Awards
- Logbook Queue Status
- TQSL Download
- Operating Resources
- ARRL Net Directory
- ARRL Net Directory Search
- Tutorials
- Contesting Primer
- NBEMS
- Grid Locator
- Where Am I?
- Operating Specialties
- Digital Modes
- The World Above 50 MHz
- WA50 Standings
- 50 MHz and Up - WAS Lists
- WA50 DXCC Endorsements
- 6 Meter Firsts
- Distance Records
- Automobile
- Portable Operating
- QSL Service
- Incoming QSL Service
- Outgoing QSL Service
- Special Event Stations
- Special Events Application
- W1AW
- Inside W1AW
- W1AW Antenna Farm
- W1AW Operating Schedule
- W1AW Operating Events
- Code Practice QST Source
- Qualifying Run Schedule
- Code Practice Files
- 5 WPM Code Archive
- 7.5 WPM Code Archive
- 10 WPM Code Archive
- 13 WPM Code Archive
- 15 WPM Code Archive
- 18 WPM Code Archive
- 20 WPM Code Archive
- 25 WPM Code Archive
- 30 WPM Code Archive
- 35 WPM Code Archive
- 40 WPM Code Archive
- Code Transmissions
- Digital Transmissions
- Voice Transmissions
- QSL Card Processing Status
- Bulletins
- W1AW Bulletins Archive
- W1AW Bulletins Archive (DX)
- W1AW Bulletins Archive (Keplerian)
- W1AW Bulletins Archive (Propagation)
- W1AW Bulletins Archive (Satellite)
- Frequency Measuring Test
- EchoLink - IRLP
- Contact W1AW
- Code characters
- Visitor Operating at W1AW
- W1AW 6-Meter Signal Report
- DXCC Program
- Centennial QSO Party
- Amateur Code
- NPOTA
- NPOTA News
- NPOTA Rules
- NPOTA FAQ
- NPOTA List
- NPOTA Docs
- Activator Tips Form
- NPOTA Activator Tips
- NPOTA Social Media
- NPOTA-For-NPS
- NPOTA Photo Contest
- NPOTA Multiples
- Amateur Radio Direction Finding
- ARRL ARDF Committee
- International Grid Chase 2018
- Hiram Percy Maxim 150th Birthday Celebration
- Transatlantic
- Cycle 25
- Volunteers On the Air
- Licensing, Education & Training
- Youth Licensing Grant Program
- FCC License Info and Forms
- FCC Forms
- 605 Instructions
- RF Safety Certification
- FCC Online Filing
- FCC Application Fee
- Instrucciones de la tarifa de solicitud de la FCC
- FCC Qualification Question
- FCC Licensee Privacy
- Obtain License Copy
- Universal Licensing System
- CORES & ULS Registration
- FCC CORES Registration Instructions
- Reset Your FCC CORES Password
- FCC FAQ
- Vanity Call Signs
- Applying for a Vanity Call
- Additional Vanity Information
- Club Call Signs
- Special Event Call Signs
- Expired License Credit
- Call Sign Renewals or Changes
- Expiration Notices
- FCC License Counts
- Cancelling a License
- Commercial Licenses
- EmComm Training FAQs
- Courses & Training
- Find a FI
- Find a FE
- Emergency Communications Field Instruction
- Application for EmComm Mentor or Field Instructor
- Requirements for Field Instructors
- EC-001 Instruction: Jack Tiley, AD7FO
- EC-001 Instruction: Lloyd Jeffries K1LGJ
- Online Courses
- EC-016 Final Assessment Application Form
- Online Course Catalog
- Policies for Online Courses
- Student Course History
- What is Ham Radio
- Ham Radio History
- Ham Radio Glossary
- Learning Programs
- Educational Outreach
- Learning Center FAQs
- STEM Resources
- Volunteer Examiners
- Become an ARRL VE
- Resources for VEs
- VE Manual
- Restock Form
- VEC Exam Booklets
- VE Session Counts
- Field-Stocked VE Teams
- VE ENewsletter
- Register an Amateur Radio License Exam Session
- ARRL Exam Session Form
- Non-ARRL Exam Session Form
- Non-ARRL Exam Session Registration
- ARRL VEC Exam Fees
- Emergency Communications Field Examiners
- Register to be an Emergency Communications Field Examiner
- Emergency Communications Field Examiner Requirements
- Emergency Communications Field Examiner Instructions & Materials
- Emergency Communications Training
- Getting Licensed
- Find an Amateur Radio License Exam Session
- What to Bring to an Exam Session
- Exam Practice
- Getting Your Technician License
- Ham Radio License Manual
- Quick Reference Operating Aids
- Chpt 1 - Introduction
- Chpt 2 - Radio & Signal Fundamentals
- Chpt 3 - Electricity, Components & Circuits
- Chpt 4 - Propagation, Antennas & Feedlines
- Chpt 5 - Amateur Radio Equipment
- Chpt 6 - Communication With Other Hams
- Chpts 7 & 8 - Licensing & Operating Regulations
- Chpt 9 - Safety
- Studying for a Technician License
- Tech Prep Resource Library
- Tech Question Pool
- Upgrading to a General License
- General Class License Manual
- Chapter 1 Introduction
- Chapter 2 Procedures & Practices
- Chapter 3 Rules & Regulations
- Chapter 4 Components & Circuits
- Chapters 5 and 6 Signals, Modes and Equipment
- Chapter 7 Antennas
- Chapter 8 Propagation
- Chapter 9 Electrical & RF Safety
- General Question Pool
- Studying for the General License
- Upgrading to an Extra License
- Studying for an Extra License
- Extra Question Pool
- Extra Class License Manual
- Chapter 1 - ECLM Introduction
- Chapter 2 - Operating Practices
- Chapter 3 - Rules and Regulations
- Chapters 4 & 5 - Electronic Principles, Components and Building Blocks
- Chapters 6, 7 & 8 - Circuits, Radio Signals & Modes and Equipment
- Chapters 9 & 10 - Antennas, Feed Lines, & Topics in Radio Propagation
- Chapter 11 - Safety
- Find an Amateur Radio License Class
- Exam Element Credit
- Resources for the Disabled
- Newly licensed? Learn More
- Buying Your First Radio
- Learning Morse Code
- Your First Station
- Building Simple Antennas
- Feed Lines
- No Free Lunch
- VHF and UHF
- HF
- Single Band Dipoles
- Trap Dipoles & Parallel Poles
- Random Length Multiband Dipoles
- Verticals
- Random Wires
- Indoor Antennas
- Making Your First Contact
- Keeping a Log
- Chasing DX
- Contest Basics
- Volunteer Instructors/Mentors
- Announcements, News Briefs, Newsletters
- Radio Waves
- List a License Class
- License Instructor Registration
- Welcome Instructors
- Instructor FAQs
- Instructor Feedback
- License Instructor Qualifications
- Instructor Discount Program
- Mentoring Online Courses
- Mentor Student List
- Recognition of Continuing Education Program Mentors
- Register An Emcomm Class Exam
- Resources for Online Mentors
- Emergency Communications Hybrid Classes
- Resources for License Instruction
- Instruction: ARRL Resources
- Instruction: Getting Organized
- Request for Graduation Kit Materials
- Instruction: Teaching and Study Aids
- Instruction: Exam Practice and Review
- Instruction: Teach and Train New Hams
- License Class Feedback
- Instructor Reports
- SM Director Reports
- Instructor Certificate
- Instructor Recognition Certificate
- Amateur Radio in the Classroom
- Teachers Institute on Wireless Technology
- Teachers Institute Quick Info
- TI-1 Wireless Technology
- TI-2: Remote Sensing and Data Gathering
- TI-3
- Meet Our Instructors
- TI Participants' Remarks
- Teacher Registration
- Teacher Welcome
- ETP Classroom Resources
- Curriculum Connections and Benchmarks
- Lesson Ideas and Learning Activities
- Lesson Ideas: Basic Electronics
- Lesson Ideas: Satellite Communications
- Lesson Ideas: Amateur Radio
- Lesson Ideas: Remote Sensing
- Lesson Ideas: MAREA
- Classroom Library: Satellite Communications
- ETP Kits & Projects
- ARRL Basic Electronics Course
- Radio Lab Handbook
- Curriculum Guide
- MAREA
- ETP FAQ
- ETP Grants
- Amateur Radio on the International Space Station
- What Does ARISS Offer?
- Hosting an ARISS Contact
- Preparation for an ARISS Contact
- Shared Resources from Other Teachers: ARISS
- History of ARISS
- Frequently Asked Questions
- ARISS contact stories
- Listen To/Watch ARISS Contacts
- ARISS International Partners
- ARISS and Satellite Communication Resources
- Classroom activities
- Reports on classroom activities
- Articles and stories
- License Certificates
- Gordon West
- Find An Emcomm Class Or Exam
- Edu Dept Home
- Ham Radio 101
- Learning Center
- More Learning Programs
- Getting Licensed - Step by Step
- Tech Prep Resource Library copy
- Tech Question Pool copy
- Quick Reference Operating Aids copy
- Chpt 1 - Introduction copy
- Chpt 2 - Radio & Signal Fundamentals copy
- Chpt 3 - Electricity, Components & Circuits copy
- Chpt 4 - Propagation, Antennas & Feedlines copy
- Chpt 5 - Amateur Radio Equipment copy
- Chpt 6 - Communication With Other Hams copy
- Chpts 7 & 8 - Licensing & Operating Regulations copy
- Chpt 9 - Safety copy
- General Prep Resource Library
- General Question Pool copy
- Chapter 1 Introduction copy
- Chapter 2 Procedures & Practices copy
- Chapter 3 Rules & Regulations copy
- Chapter 4 Components & Circuits copy
- Chapters 5 and 6 Signals, Modes and Equipment copy
- Chapter 7 Antennas copy
- Chapter 8 Propagation copy
- Chapter 9 Electrical & RF Safety copy
- Studying for an Extra License copy
- Extra Question Pool copy
- Chapter 1 - ECLM Introduction copy
- Chapter 2 - Operating Practices copy
- Chapter 3 - Rules and Regulations copy
- Chapters 4 & 5 - Electronic Principles, Components and Building Blocks copy
- Chapters 6, 7 & 8 - Circuits, Radio Signals & Modes and Equipment copy
- Chapters 9 & 10 - Antennas, Feed Lines, & Topics in Radio Propagation copy
- Chapter 11 - Safety copy
- Find an Amateur Radio License Class copy
- Learning Center Help
- Question Pools
- Withdrawn Questions
- STEM
- Membership
- Join ARRL/Renew Membership
- Member Support
- Membership Certificate
- myARRL
- Member Discounts
- Equipment Insurance
- Member Bulletin
- Login Instructions
- 3-Year Special Offer
- ARRL Groups
- Gift Membership
- Silent Key Submission Guidelines
- Dues Survey Results Accessible Version
- By-Laws Update
- Regulatory & Advocacy
- Technical Relations Office
- Federal
- Federal Regulatory
- ARRL Guide to Filing Comments with FCC
- FCC
- Call Sign Research
- Filing Petitions and Comments
- Technical Characteristics
- Clover
- Clover 2000
- Domino
- G-TOR
- MFSK Spec
- MT-63
- Olivia
- PACTOR
- PACTOR II
- PACTOR III
- PSK31 Spec
- Q15X25
- RWOP
- WSPR
- Recent FCC Actions
- FCC Documents
- RM-11708 FAQ
- TechnicianEnhancement
- RFI Regulatory Information
- Enforcement
- Bill Becomes a Law
- Responsibilities
- ARRL Assistance
- What If?
- Additional Resources
- Public Law 97-259
- Public Law 103-408
- Title 47 - Telecommunications
- Part 97 - Amateur Radio
- 60 Meter FAQ
- 60M Channel Allocation
- What the FCC rules Say: § 97.303 (h)
- Emission Type Bands
- Frequency Bands
- Part 97 Text
- US270
- Additional Regulatory Information
- Regulatory FAQ
- Frequency Allocations
- Graphical Frequency Allocations
- Band Plan
- Considerate Operator
- Phone Patch Guidelines
- 3 GHz Band
- ARRL Statement on 3 GHz Band - Oct 2021
- 60 Meter Band
- Frequency Coordinators
- NFCC
- Common Concerns
- Green Bank
- FAA Tower Regulation Issues
- FCC Fees Proposal
- Federal Legislative Activity
- ARRL Legislative Action Program
- Legislative FAQs
- Contacting Your Congressional Representatives
- Resources
- Legislative efforts to Eliminate Private Land Use Restrictions on Amateur Radio
- 2024 Action - Senate bill S.3690
- 2023 Action - House bill H.R.4006
- 2022 Action - House bill H.R. 9670
- Amateur Radio Parity Act
- Grassroots
- Interacting
- Political Campaigns and the ARRL
- Current Legislation
- State and Local
- Local Regulations
- State PRB -1 Laws
- State Statutes
- Idaho Statute
- Maine Statute
- New Hampshire Statute
- New Mexico Statute
- Texas Statute
- West Virgina Statute
- Has Your State?
- Other State Issues
- Amateur License Plate Information
- More Information RI
- VOIP FAQ
- ARES RACES FAQ
- Club Station FAQ
- Auxiliary Station FAQ
- Regulatory FAQs
- State and Local Advocacy
- Mobile-Amateur-Radio-Policy
- International
- International Regulatory
- Operations FAQ
- International Operating
- Reciprocal Permit
- Reciprocal Permit FAQs
- Select Countries A - D
- Select Countries E - H
- Select Countries I - N
- Select Countries O - T
- Select Countries U - Z
- SOFA Agreement
- US Amateurs Operating Overseas
- Foreign Licenses Operating in U.S.
- Obtaining Permission
- Bilateral Reciprocal Agreements
- Third-Party Operating Agreements
- Amateur Frequencies Outside the US
- Maritime Mobile Operation in International Waters
- CEPT
- IARP
- ARRL / IARU Monitoring Program
- International Advocacy
- ITU
- CITEL
- IARU
- WRC
- Antenna Regulation and Zoning
- PRB-1
- Local
- (CCRs) Covenants, Conditions & Restrictions
- CCR Story
- Rental/Lease Restrictions
- PRB-1 document
- PRB1 Presentation
- State
- Precedent Setting Cases
- Sample Antenna Ordinances
- Example Ordinance
- Regulation Assistance
- Mediation
- Arbitration
- Additional
- ARLDAC
- Volunteer Counsel Program
- Volunteer Consulting Engineer Program
- CCR Regulations
- Emergency Communications Response Actions
- Federal RFI Preemption
- Volunteer Monitor Program
- Volunteer Monitor Resources
- Public Service
- Chapter One: National Traffic System
- Chapter Two: Principles of NTS Operation
- Figure 3
- Figure 4
- Chapter Three: NTS Policies
- Chapter Four: Operating During Disasters
- Chapter Five: NTS Standard Net Procedures
- Chapter Six: ARRL Precedences and Handling Instructions
- Chapter Seven: Operation of the Transcontinental Corps
- Figure 6
- Chapter Eight: Operation of the Digital System
- Chapter Nine: NTS Traffic Routing
- Chapter Ten: Counting Net Traffic
- Chapter Eleven: On Getting More Traffic
- Appendix A: National Traffic System Terms of Reference
- Appendix B: NTS Methods and Practices Guidelines
- Table of Contents, NTS Methods and Practices Guidelines
- Public Service Resources
- Public Service Training
- Public Service Equipment
- Public Service Operating
- Public Service Regulatory
- Public Service Organizational
- Presentations & Talks
- Simulated Emergency Test
- ECAC Only
- Public Service/Field Services Forms
- Public Service Honor Roll
- Served Agencies and Partners
- ARES
- ARES Letter
- ARES Letter Issues
- ARES Plan
- ARES Group Registration
- NTS
- NTS Letter
- Ham Aid
- SKYWARN Recognition Day
- 2018 Hurricanes - Video Media
- 2024 Hurricanes
- Technology
- Radio Technology Topics
- Antennas
- Transmatch/Antenna Tuner
- Transmission Lines
- Smith Chart
- Limited Space and Indoor Antennas
- Antenna Projects
- HF Wire
- MF/HF Slopers
- Balloon Antenna
- HF Vertical
- HF Beams
- HF Loop Antennas
- HF Mobile
- HF Trap Antennas
- VHF Omni
- VHF Beams
- UHF Beams
- VHF Mobile
- VHF--More Projects
- MF/HF Receiving Wire Antennas
- Your First Antenna
- Antenna Ground
- How Antennas Work
- Antenna Modeling
- Antenna Modeling Files
- Antenna Gain Measurement
- Antenna Corrosion
- Galvanic Corrosion
- First Steps in Radio
- Circuit Construction
- Projects for the Ham Shack
- Surface Mount Technology
- ESD - Electrostatic Discharge Safety
- Wrinkle Finish Paint
- Printed Circuit Boards
- Engineering References
- Finding Technical Information Online
- DSP - Digital Signal Processing
- Software Defined Radio
- IC Programming and Amateur Radio Projects
- RF and AF Filters
- ARRL Radio Designer
- Reference Circuits
- Modes & Systems
- Communications Systems
- APRS Mode
- Automatic Packet Reporting System, QEX sidebar
- Automatic Packet Reporting System QST
- CW Mode
- Digital Data Modes
- PSK31- An Introduction to Narrowband Digital
- TCP/IP: Pings, POPs and KISSes
- Image Modes
- Voice Modes
- Weak Signal Modes
- Power Supplies
- Batteries
- Emergency/Alternative Power
- Propagation of RF Signals
- Propagation
- The Sun, the Earth, the Ionosphere:
- Here Comes the Sun!
- Tad Cook K7VVV Explains Propagation Numbers
- Safety
- Electrical Safety
- Grounding
- Assorted Hints & Kinks
- Lightning Protection
- RF Exposure
- FCC RF-Exposure Regulations -- the Station Evaluation
- ARRL RF Safety Committee
- RF Safety Publications
- RF Radiation and Electromagnetic Field Safety
- Table 9.1
- Table 9.2
- Table 9.3
- Who We Are
- Gregory D. Lapin, Ph.D., P.E.
- N9GL's RF Safety Column
- Matt Butcher, P.E.
- Brian Daly, M.S.
- William (Bill) Kaune
- James W. Ross, M.D., M.P.H.
- Kai Siwiak, P.E., Ph.D.
- Bruce M. Small
- Richard Tell, M.S.
- Bud Tribble, M.D., Ph.D.
- Jerry Bushberg, Ph. D.
- George Spatta
- RF Exposure Calculator
- RF Exposure Calc Instructions
- Changes in the FCC RF Exposure Reguations
- Grounding and Bonding for the Amateur
- Servicing Equipment
- Setting Up a Station
- What Rig Should I Buy?
- Mobile Stations
- Marine Mobile
- Link & Remote Control
- Access to Amateur Radio for the Disabled
- Technical Specialties
- Amplitude Modulation
- AM Frequencies
- Vintage Station QRV at W1AW
- Antique/Vintage Radio
- ATV - Fast-Scan Amateur Television
- Building Equipment
- Tube Transmitters/Receivers
- RF Power Amplifiers
- HF Solid State Amplifiers
- HF Tube Amplifiers
- 6M Amplifiers
- Transceivers
- Transmitters
- Receivers
- Test Equipment Projects
- Science Fair/Merit Badge Projects
- Tuning A Regenerative Receiver
- VHF Projects
- Microwave
- Digital Projects
- Direction Finding
- LF (Low Frequency)
- QRP -- Low Power Operating
- QRP: More Than a State of Mind
- Why QRP?
- Confessions of an Inveterate Milliwatter
- QRP Projects
- SSTV - Slow Scan Television
- Weak Signal -- (VHF-DX, Meteor Scatter, EME-Moonbounce)
- Grid Squares
- Laser Communications
- Space Communication
- Web, Wi-Fi, Wireless and PC Technology
- Internet Ham Radio
- High-Speed Digital Topics
- Using IEEE 802.11b Operating Under Part 97 of the FCC Rules
- Technology Eclectica
- Radio Frequency Interference (RFI)
- Audio
- Automotive
- Fuel Pump Noise
- Ignition Noise
- Auto Manufacturer’s Policies
- Broadband Over Powerline (BPL)
- Tutorial
- Identifying BPL
- Video and Audio recordings of BPL Interference
- BPL Seriously Degraded by Nearby Radio Transmitters
- Interference to Radiocommunications
- Links to operating parameters of Amateur Radio Stations
- 1.8MHz Reference Circuit
- 3.5MHz Reference Circuit
- 7MHz Reference Circuit
- 10.1MHz Reference Circuit
- 14 MHz Reference Circuit
- 18MHz Reference Circuit
- 21MHz Reference Circuit
- 25MHz Reference Circuit
- 28MHz Reference Circuit
- Interference to PLC systems from Amateur Radio Operation
- Interference From BPL Systems
- Interference Reports
- ARRL Testing of Home-Phone Network Card
- VDSL Testing
- Estimated Field Strength from Amateur Radio Stations -- ARRL #1
- Wireless Modem and Telephone Jacks
- COOPERATION CURBS "WIRELESS MODEM" QRM
- BPL in Japan
- BPL in Finland
- BPL in Netherlands
- BPL in Norway
- BPL in Great Britain
- BPL in Poland
- BPL in Germany
- BPL in Other European
- Alternatives to BPL
- Electric Utility Communications, Applications and Smart Grid Technologies
- Field Trial Volunteers
- Test Procedures to Measure BPL Interference
- Business and Financial Aspects of BPL
- FCC Information
- Technical Papers and Studies
- BPL Presentations
- Miscellaneous Links
- BPL Web Sites
- BPL Companies and Organizations
- Selected Articles about BPL and Smart Grid
- BPL and Smart Grid Archives
- Talking BPL to the media
- Broadcast Station
- AM BCI to Amateur Receivers
- Cable Television Interference
- Computer
- DSL Interference
- Electric Fence
- EMI Standards
- FCC and RFI Matters
- FCC Enforcement
- FCC Rules and Regulations
- FCC Info
- GFCI and AFCI Devices
- AFCI Devices
- Information for the Neighbors of Hams
- Intermodulation
- Lighting Devices
- Grow Light RFI
- Motors
- Organizations Working with EMC/RFI
- Pacemaker
- Interference
- Part 15 - Radio Frequency Devices
- Power Line
- Power-Line Noise FAQ
- FCC Power-Utility Letter
- Power-Line Noise Mitigation Handbook for Naval and Other Receiving Sites
- Information for electric utilities
- FCC enforcement involving electric utilities
- FCC Enforcement Activities and the Electric Utility Industry
- Track and Solve Electrical Interference
- Power Line Noise
- Products And Other Resources
- Regulatory RFI Information
- Smart Meters
- Solar
- Sounds of RFI
- Household
- Computers
- Emitters
- Utilities
- Miscellaneous
- Unidentified
- Contribute RFI Files
- Links
- Noise Logging
- Telephone
- Television
- Touch Lamp
- TV Channels - Air/CATV
- Wireless Modem and Telephone Jacks
- ARRL Lab
- Mission Statement
- The Lab Staff
- ARRL Heritage Museum
- The Historian's View
- Hands On Radio
- HOR Resources
- Test Equipment FAQ
- Experiments 1 through 10
- Experiments 11 through 20
- Experiments 21 through 30
- Experiments 31 through 40
- Experiments 41 through 50
- Experiments 51 through 60
- Experiments 61 through 70
- Experiments 71 through 80
- Experiments 81 through 90
- Experiments 91 through 100
- Experiments 101 through 110
- Experiments 111 through 120
- Experiments 121 through 130
- Experiments 131 through 140
- Experiments 141 through 150
- Experiments 151 through 160
- Experiments 161 through 170
- Experiments 171 through 180
- Product Review
- How Equipment is Tested
- Test Procedures Manual
- Product Review Videos by Year
- 2021 QST Product Review Videos
- 2020 Product Review Videos
- 2019 Product Review Videos
- 2018 Product Review Videos
- 2017 Product Review Videos
- 2016 Product Review Videos
- 2015 Product Review Videos
- 2014 Product Review Videos
- 2013 Product Review Videos
- 2012 Product Review Videos
- 2011 Product Review Videos
- 2010 Product Review Videos
- 2009 Product Review Videos
- Reviews Listed by Issue
- Reviews Listed by Manufacturer
- Test Results Summary Table
- Supplemental Test Information
- Manufacturers B
- Manufacturers C
- Manufacturers D
- Manufacturers E
- Manufacturers F
- Manufacturers G
- Manufacturers H
- Manufacturers I
- Manufacturers J
- Manufacturers K
- Manufacturers L
- Manufacturers M
- Manufacturers N
- Manufacturers O
- Manufacturers P
- Manufacturers Q
- Manufacturers R
- Manufacturers S
- Manufacturers T
- Manufacturers U
- Manufacturers V
- Manufacturers W
- Manufacturers X
- Manufacturers Y
- Manufacturers Z
- QST Product Review and Short Takes Columns
- ARRL References
- ARRL Handbook Reference
- ARRL Handbook Reference 2011-2022 Editions
- ARRL Antenna Book Reference
- ARRL Antenna Book 24th Edition
- ARRL Antenna Book 23rd Edition
- ARRL Antenna Book Reference 22nd Edition
- Technical Information Service
- ARRL Clean Signal Initiative
- Get Involved
- Clubs
- Find a Club
- Affiliated Club Resources
- Application for Affiliation
- Affiliated Club Benefits
- E-mail Forwarding
- Club News
- SSC Application
- Active Club Primer
- Library Book Set
- Club Update
- Club Update Help
- Collegiate Amateur Radio
- Donate to ARRL
- ARRL Second Century Campaign
- The ARRL Diamond Club
- Diamond Club Terrace at ARRL
- Maxim Society
- Funds
- Spectrum Defense Fund
- Education and Technology Fund
- W1AW Endowment Fund
- Historic Preservation Fund
- Legislative Issues Advocacy Fund
- Amateur Radio Direction Finding Fund
- Corporate Matching Gifts
- Memorial Gifts
- Combined Federal Campaign
- ARRL Donation Print Form
- Estate Giving
- Bequests and Will Information
- Endowment Funds
- Gifts of Securities and Appreciated Property
- ARRL Legacy Circle
- Estate Planning Workbook
- IRA Distributions
- Contact Us
- 2024 Reception RSVP
- The ARRL Foundation
- Articles of Incorporation/ByLaws
- ARRL Foundation By-Laws
- ARRL Foundation Board of Directors and Officers
- ARRL Foundation Annual Reports
- Scholarship Program
- Summary of Scholarship Requirements
- Scholarship Descriptions
- Annual Scholarship Winners
- Sample Terms of Reference
- Amateur Radio Grants
- Recent ARRL Grants
- Club Grant Program
- Division Convention Grant Program
- ARRL Foundation Special Funds
- Ways to support the ARRL Foundation
- The Victor C. Clark Youth Incentive Program
- Jesse Bieberman Meritorious Membership Grant
- ARRL Foundation Donation Form
- Contact Us About The ARRL Foundation
- Hamfests and Conventions Calendar
- ARRL Sanctioned Events
- Hamfest & Convention Application
- Speakers Bureau
- ARRL EXPO
- Recruiting & Outreach
- Outreach to Youth
- Helping Kids Discover Morse Code
- Talk with the Hand
- Teaching Amateur Radio at Summer Camp
- Amateur Radio and Scouting
- Merit Badge Counselor
- Jamboree on the Air (JOTA)
- JOTA Stories
- Rapid RDFing
- AR in Scouting
- JOTA Planning Time Frame
- What is this thing...
- Girl Scouts Radio Patch
- Girl Scouts Radio Patch Report
- Outreach to Teachers and Schools
- FAQs How to Approach Schools
- School Contact Brochure Order Form
- ARISS Volunteers
- Amateur Radio Creates Buzz at Atlanta Science Expo
- Brochures and Exhibit Materials
- Volunteer Opportunities
- Youth
- Kids Day
- Youth Lounge
- Youth Nets
- Publications & Online Store
- ARRL Store
- Shipping and Tax
- Customer Service/Support
- Return Policy
- ARRL Publication Dealers
- Product Notes
- ARRL Antenna Book
- Antenna Modeling for Beginners
- HF Digital
- Circuit Simulation
- History Of QST
- Arduino
- Arduino2
- ARRL Handbook 2020
- Arduino3
- End-Fed Half-Wave Antenna Kit
- Introduction to Radio Receiver Kit
- Here to There: Radio Wave Propagation
- Beam
- List all Products
- ARRL Handbook 100 Pre-Order
- About ARRL
- ARRL Strategic Plan
- Media and Public Relations
- Reporter/Media Information
- What is Amateur Radio?
- ARRL Fact Sheet
- News Gatherings and Amateur Radio
- Amateur Radio Emergency Communication
- Ham Radio Licenses
- Press Releases
- PR Tools for PICs and PIOs
- How ARRL's PR Program Works
- PR Resources
- About Reporters
- Local TV News
- Preflight Planning
- Hints for Interviews
- News Gathering & Ham Radio
- Press Folders
- News Releases
- Release Template
- Replies to Editors
- PR Release Form
- Talks
- Promotional Talks
- Media and Scouting
- Merit Badge and PIO
- Troop Program
- Emergency work
- PIO Duty in Crisis
- PR Go Kit
- FEMA & PR
- PIO and Field Day
- Pictures & Releases
- Fair Use Information
- Photo/Video Release Form
- Digital Photo Tips & Hints
- PR Courses
- PIO Handbook
- PIO PIC Job Descriptions
- PR Email Reflector
- PR-Posters
- Media Hits
- Proclamations
- How Will You Communicate?
- Ham Radio Works
- Real World Stories
- 100 Years of Voice
- Why I Love It
- More Info
- WeDoThat-Radio.org
- WeDoThat-page2
- WeDoThat-page3
- WeDoThat-page4
- DIY
- World Amateur Radio Day
- ARRL Media Awards
- Bill Leonard Award
- Phil McGan Award
- Current Contact Issue
- Contact 2009
- January 2009
- February 2009
- March 2009
- April 2009
- May 2009
- June 2009
- July 2009
- August 2009
- September 2009
- October 2009
- November 2009
- December 2009
- Contact 2010
- January 2010
- February 2010
- March 2010
- April 2010
- May 2010
- June 2010
- July 2010
- August 2010
- September 2010
- October 2010
- November 2010
- December 2010
- Contact 2011
- January 2011
- February 2011
- March 2011
- April 2011
- May 2011
- June 2011
- July 2011
- August 2011
- September 2011
- October 2011
- November 2011
- December 2011
- Contact 2012
- January 2012
- February 2012
- March 2012
- April 2012
- May 2012
- June 2012
- July 2012
- August 2012
- September 2012
- October 2012
- November 2012
- December 2012
- Contact 2013
- January 2013
- February 2013
- March 2013
- April 2013
- May 2013
- June 2013
- July 2013
- August 2013
- September 2013
- October 2013
- November 2013
- December 2013
- Contact 2014
- January 2014
- April 2014
- May 2014
- June 2014
- July 2014
- August 2014
- September 2014
- October 2014
- November 2014
- Contact 2015
- January 2015
- February 2015
- March 2015
- April 2015
- May 2015
- June 2015
- July 2015
- August 2015
- September 2015
- October 2015
- November 2015
- December 2015
- Contact 2016
- January 2016
- February 2016
- March 2016
- April 2016
- May 2016
- June 2016
- July 2016
- August 2016
- September 2016
- October 2016
- November 2016
- December 2016
- Contact 2017
- January 2017
- February 2017
- March 2017
- April 2017
- May 2017
- Public Service Announcements
- More Audio PSAs
- Placing Audio PSAs
- Copyright
- Logos & Photos
- Centennial
- Visit Us
- Organization Structure
- Officers
- President
- First Vice President
- Second Vice President
- International Affairs Vice President
- Treasurer
- Chief Executive Officer and Secretary
- Chief Financial Officer
- ARRL Treasurer Position
- Honorary Officials
- Board Committees
- Divisions
- Sections
- Sections by Divisions
- Section Terms & Nomination Information
- Section Boundaries
- Section Abbreviations
- Section Manager Resources
- Section Managers Only
- SM Certificate Maker
- New Amateur Reports
- Email to Your Section
- Section/Division Email Log
- Admin: Email Release
- FSD-211 Field Organization Appointment Form
- Recommendation for EmComm Training Program
- ARRL-SM-Survey-1
- Field Organization
- Section Manager
- Assistant Section Manager
- Affiliated Club Coordinator
- Assistant District Emergency Coordinator
- Assistant Section Emergency Coordinator
- District Emergency Coordinator
- Emergency Coordinator
- Local Government Liaison
- Net Manager
- Official Emergency Station
- Official Relay Station
- Public Information Coordinator
- Public Information Officer
- Section Emergency Coordinator
- State Government Liaison
- Section Youth Coordinator
- Technical Coordinator
- Chapter One: Introduction
- Chapter Two: The ARRL Technical Organization
- Chapter Three: Technical Coordinator
- Chapter Four: Technical Specialist
- Chapter Five: The Club Connection
- Chapter Six: Activities
- Chapter Eight: Administration
- Chapter Seven: How to Write, Speak and Coordinate
- Chapter Nine: Technological Future
- Technical Specialist
- Section Traffic Manager
- Official ARRL Badge Program
- Field Appointments
- Assistant Section Traffic Manager
- ARRL Management Organizational Chart
- ODV - Board Confidential
- Membership Stats
- ODV Files
- Board Meeting Reports
- Financial Reports
- In-News
- In-News Archive
- Legislative
- A&F Committee Minutes
- PSC Minutes
- Investment Management Committee and Documents
- Emergency Communications and Field Services Committee Minutes
- Email to Your Division
- Alternative E-mail Addresses
- Band Plan E-mailed Comments
- Candidate Statements
- Big Club List
- ARRLF - Board Confidential
- General Information
- ARRL Articles of Association
- ARRL By-Laws
- ARRL Rules & Regulations
- Board Meetings
- Committee Reports
- Committee Reports 2008-2004
- Mail Votes
- ARRL Award Nominations
- Hiram Percy Maxim Award
- HPM Nomination Form
- Herb S. Brier Award
- Nomination form for Herb Brier Instructor of the Year Award
- Technical Awards
- Technical Innovation Award
- Technical Service Award
- Microwave Development Award
- ARRL Doug DeMaw Technical Excellence Award
- International Humanitarian Award
- IRS Form 990
- Annual Reports
- Director Workbook
- Employment Opportunities
- Privacy Policy
- Advertising and Other Business Opportunities
- Advertising Opportunities
- QST Advertising Specifications
- Ham Ads (Classified) Rules and Rates
- Ham Ad Listing
- ARRL Banner Advertisers
- Become an ARRL Dealer
- ARRL Online Auction
- Library
- Library-Submit Content
- Library-Templates
- Library-Resources
- Library-Oral-History
- Library-Video
- ARRL Learning Network
- ARRL Learning Network Webinars
- ARRL Learning Network Speakers Form
- ARRL Social Media
- Live
- Contact ARRL
- Site Index
- Ideas
- News & Features
- News
- Read: a Message for Member Volunteers
- Read: a Message for Members and Volunteer Examiners
- Read: a Message about Video-supervised Online Exams
- ARRL Audio News
- Features Archive
- Pam’s Shack Bridges the Gap
- A Shot in the Arm
- Rail Riding Radio
- Celebrate Ham Radio — WARD 2014
- A Field Day Just For Fun
- Toward a Perfect Field Day
- Florida Scouts Make (Radio) Waves
- Radio Amateurs and America’s Secret Submarine
- ZC4 — The Other Cyprus
- ARRL Periodicals Archive Search
- ARRL Periodicals Archive Search Help
- QST
- Digital QST FAQ
- Digital QST Feedback Form
- iOS QST App FAQ
- Android QST App FAQ
- Kindle QST App FAQ
- Digital QST Sample Form
- Print Edition Opt Out Form
- This Month in QST
- Multimedia
- QST in Depth
- QST Product Review
- QST Archive
- QST Annual Indexes
- Cover Plaque Poll
- QuickStats
- Feedback
- QST Author Guide
- QST Vintage Holiday Covers
- QST "Club Station" Guidelines and Profile Form
- On the Air Magazine
- On the Air Magazine - Comments
- OTA sample
- On the Air Blog
- Find A High Spot For VHF
- Building and Using the Hands-Free Soldering Fixture
- Radio Operating from Summits
- Training Courses for Amateur Radio Public Service
- A Ham Pilot Encourages Making Amateur Radio Your Own
- My First Mobile Installation
- More About Antenna Tuners
- One Thousand FT8 Contacts in 14 Days
- Knit Earpad Covers for Headphones
- Hunting for Foxes at the University of Michigan
- April On The Air Podcast Script
- McKinney Amateur Radio Club W5MRC Net Control Operator Script
- Read On the Air
- On the Air Podcast
- On the Air Email
- Issue No 1 2021
- Joining a Club
- On the Air Advice
- On the Air Email Subscription
- Issue No 2 2021
- Issue No 3 2021
- Issue No 4 2021
- Issue No 5 2021
- Issue No 6 2021
- Issue No 7 2021
- Issue No 1 2022
- Issue No 2 2022
- Issue No 3 2022
- Issue No 4 2022
- Issue No 5 2022
- Issue No 6 2022
- Issue No 7 2022
- Issue No 8 2022
- Issue No 9 2022
- Issue No 10 2022
- Issue No 11 2022
- Issue No 12 2023
- QEX
- This Month in QEX
- QEX Author Guide
- QEXfiles
- NCJ
- Index: 1973 - 2003
- NCJ 50th Anniversary Challenge Coin
- ARRL Letter
- News Tips
- Doctor
- So Now What?
- ARRL Magazines
- Magazine Samples
- External Included
- Form Test
- CheckFormTest
- Private Website Developer Docs
- Private: Non-Cake PHP Integration
- Private: Contest Data
- MVP Certificate Maker
- Private: Link Checker
- Forums
- New Ham Resources
- Repeaters