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Total 3 documents matching your query.

1. Topband: Portable Flag follow up (DX Engineering preamp noise figure update) (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Tue, 9 Mar 2021 18:19:25 -0500; A couple of weeks ago there were a lot of postings about my portable flag for radio direction finding (for tracking down RFI), and someone asked about the DX Engineering preamp that was designed for; /archives//html/Topband/2021-03/msg00063.html (7,746 bytes)
2. Re: Topband: Portable Flag follow up (DX Engineering preamp noise figure update) (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Tue, 9 Mar 2021 18:21:39 -0500; I should have said the so the 4.5 dB noise figure is certainly not unreasonable. Sorry for the typo. 73, Don (wd8dsb) _________________ Searchable Archives: http://www.contesting.com/_topband - Topba; /archives//html/Topband/2021-03/msg00064.html (8,204 bytes)
3. Re: Topband: Portable Flag follow up (DX Engineering preamp noise figure update) (score: 1): Author: John Kaufmann via Topband <topband@contesting.com>; Date: Wed, 10 Mar 2021 12:45:14 -0500; I have the DX Engineering preamp that I use with the DX Engineering portable flag and can confirm the 4.5 dB noise figure. Using the methods I described here in an earlier post, I measured the noise; /archives//html/Topband/2021-03/msg00086.html (10,659 bytes)

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