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1. [TowerTalk] OptiBeam OB9-5 (score: 1): Author: Bruce Jungwirth <k0son@frontiernet.net>; Date: Tue, 19 Mar 2019 12:25:43 -0500; Hi, has anyone tried to verify the F/B (dB) of 18 - 25 , on the OB9-5? It seems high to me with a 16.73 ft boom and literally 2 elements on most bands. Bruce, K0SON Sent from my iPad ________________; /archives//html/Towertalk/2019-03/msg00253.html (6,656 bytes)
2. Re: [TowerTalk] OptiBeam OB9-5 (score: 1): Author: Wes <wes_n7ws@triconet.org>; Date: Tue, 19 Mar 2019 11:21:24 -0700; I don't have the OB9-5 but do have an OB7-3, which is two element on 15 and 20 and 3 on ten. I've modeled it and see about 10 to 11 dB F/B (freespace) on 15 and 20 and about 20 dB F/B on 10. I woul; /archives//html/Towertalk/2019-03/msg00257.html (7,360 bytes)

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