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21. Re: [TowerTalk] 75 ohm - v - 50 ohm coax (score: 1): Author: K8RI <K8RI-on-TowerTalk@tm.net>; Date: Tue, 19 Feb 2013 22:26:59 -0500; On 2/19/2013 2:38 PM, Jim Brown wrote: On 2/19/2013 9:28 AM, Roger D Johnson wrote: s not the loss on receive determined by the RX input impedance? IOW It's the LOAD on the transmission line. Yes, BU; /archives//html/Towertalk/2013-02/msg00287.html (10,209 bytes)
22. Re: [TowerTalk] 75 ohm - v - 50 ohm coax (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Tue, 19 Feb 2013 20:08:05 -0800; Does such a place exist on 160, 75, and 40?..Except when the bands are dead. 73 Roger (K8RI) Atacama Desert? W4EF's station in the Mojave Desert? Various and sundry sebkha (marshy salt flats in coas; /archives//html/Towertalk/2013-02/msg00288.html (9,044 bytes)
23. [TowerTalk] 75 ohm - v - 50 ohm coax (score: 1): Author: Spencer <k5gak@powerc.net>; Date: Tue, 19 Feb 2013 22:52:56 -0700; Chapter 7 of TLT has a reasonable solution. _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://list; /archives//html/Towertalk/2013-02/msg00289.html (7,915 bytes)
24. [TowerTalk] 75 ohm - v - 50 ohm coax (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Wed, 20 Feb 2013 02:47:49 -0800; Yes, let's do. That starts with studying and understanding the fundamentals of transmission lines and antennas, understanding that every design problem is different, and that one size does not fit a; /archives//html/Towertalk/2013-02/msg00290.html (8,491 bytes)
25. Re: [TowerTalk] 75 ohm - v - 50 ohm coax (score: 1): Author: TexasRF@aol.com; Date: Wed, 20 Feb 2013 09:13:27 -0500 (EST); Jim, you may well find that the resonant frequency as well as impedance of your dipole increases as you raise the height above ground. Ground moisture and resulting conductivity and dielectric consta; /archives//html/Towertalk/2013-02/msg00291.html (9,156 bytes)

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