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Total 6 documents matching your query.

1. Topband: Measure dipole on ground to get VF of BOG. (score: 1): Author: Mikek <amdx@knology.net>; Date: Sat, 2 May 2020 12:22:10 -0500; I'm about to do some measurements on a BOG. 狢've been a little slow getting things working, I've now got my inside and outside boxes assembled, I understand I can break the BOG in the middle and fin; /archives//html/Topband/2020-05/msg00001.html (7,549 bytes)
2. Topband: Measure dipole on ground to get VF of BOG. (score: 1): Author: Mikek <amdx@knology.net>; Date: Sat, 2 May 2020 15:57:59 -0500; I laid down 260ft of wire as a dipole on the ground, it is resonant at 1190kHz. I calculate this as a VF of 0.685, my calculation is actually 0.315 but I don't think that's right, so I subtracted fro; /archives//html/Topband/2020-05/msg00002.html (7,719 bytes)
3. Re: Topband: Measure dipole on ground to get VF of BOG. (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Sat, 2 May 2020 17:21:52 -0400; Hi Mikek, Speed of Light = Frequency x Wavelength Therefore: Speed of Light/Frequency = Wavelength Speed of light = 299 792 458 m / s (I normally just use 300,000,000 m/s) Therefore: (300,000,000m/s); /archives//html/Topband/2020-05/msg00003.html (8,359 bytes)
4. Re: Topband: Measure dipole on ground to get VF of BOG. (score: 1): Author: Guy Olinger K2AV <k2av.guy@gmail.com>; Date: Sat, 2 May 2020 17:55:17 -0400; Hi, Mikek, BOGs have a very miscellaneous performance, some love 'em, some hate 'em, nobody telling a lie. One part of a back yard can have a heated BOG argument with a different part of the same bac; /archives//html/Topband/2020-05/msg00004.html (12,278 bytes)
5. Re: Topband: Measure dipole on ground to get VF of BOG. (score: 1): Author: VE6WZ_Steve <ve6wz@shaw.ca>; Date: Sat, 2 May 2020 16:43:59 -0600; Mikek, I made a number of measurements of my Beverages last summer including using TDR to estimate physical length. This depends on knowing the VF of the wire. However, If you know the physical lengt; /archives//html/Topband/2020-05/msg00005.html (9,583 bytes)
6. Re: Topband: Measure dipole on ground to get VF of BOG. (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 2 May 2020 16:32:12 -0700; On 5/2/2020 3:43 PM, VE6WZ_Steve wrote: I made a number of measurements of my Beverages last summer including using TDR to estimate physical length. This depends on knowing the VF of the wire. Howeve; /archives//html/Topband/2020-05/msg00006.html (8,758 bytes)

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