Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+RX\s+loop\s+antenna\s+RX\s+protector\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+RX\s+loop\s+antenna\s+RX\s+protector\s*$/: 4 ]

Total 4 documents matching your query.

1. Topband: RX loop antenna RX protector (score: 1): Author: N4ZR <n4zr@comcast.net>; Date: Sun, 6 Jun 2021 09:49:36 -0400; I recently saw, in an e-mail from someone, a reference to a commercial device designed to protect a receiver on a magnetic loop antenna. IIRC, the device uses PTT from a transceiver to disconnect an; /archives//html/Topband/2021-06/msg00016.html (6,885 bytes)
2. Re: Topband: RX loop antenna RX protector (score: 1): Author: Paul Mcl <paul.mcl@gmail.com>; Date: Sun, 6 Jun 2021 14:58:26 +0100; I have one of these on its way but not PTT enabled: http://www.crosscountrywireless.net/receiver_protection_unit.htm Regards Paul MM0ZBH _________________ Searchable Archives: http://www.contesting.c; /archives//html/Topband/2021-06/msg00017.html (8,231 bytes)
3. Re: Topband: RX loop antenna RX protector (score: 1): Author: "Joe Subich, W4TV" <lists@subich.com>; Date: Sun, 6 Jun 2021 10:19:51 -0400; The MFJ-1708 can be used in that manner. Connect the loop to the "ANT" port and the SDR to the SDR port and configure the CTRL input for PTT. 73, ... Joe, W4TV On 2021-06-06 9:49 AM, N4ZR wrote: I re; /archives//html/Topband/2021-06/msg00018.html (7,311 bytes)
4. Topband: RX loop antenna RX protector (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Tue, 8 Jun 2021 10:28:05 -0500; You probably have a preamp on your rx loop. The first thing to do is kill the dc to it on transmit to shut it down. I have an Airspy HF+Discovery SDR which has a fragile front end. To keep tx RF out; /archives//html/Topband/2021-06/msg00023.html (7,872 bytes)

Current List: 1 - 4
Page: [1]