dj8ul
| Joined: | Sat, Apr 4th 1998, 00:00 | Roles: | N/A | Moderates: | N/A |
Latest Topics
| Topic | Created | Posts | Views | Last Activity |
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| how to evaluate your antenna tuner QST04/95 | Jul 8th 2014, 20:08 | 2 | 5,307 | on 10/7/14 |
Latest Posts
| Topic | Author | Posted On |
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| how to evaluate your antenna tuner QST04/95 | dj8ul | on 8/7/14 |
| in this very interesting article about measurement of loss in ant Tuners I do not understand how (Eq 1) on page 32 can be derived. The estimated loss in dB = 5 log ( (S1 +1)(S2+1)/9(S1-1)(S2-1)) Can anyone explain to me how this equation can be derived and under what boundary conditions? thanks, Hans DJ8UL |
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