Search String: Display: Description: Sort:

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+On\s+FT8\,\s+noise\s+bandwidths\,\s+filters\,\s+and\s+signal\s+vs\s+noise\.\s*$/: 4 ]

Total 4 documents matching your query.

1. Topband: On FT8, noise bandwidths, filters, and signal vs noise. (score: 1)
Author: Tim Shoppa <tshoppa@gmail.com>
Date: Thu, 20 Dec 2018 12:10:57 -0500
I broadly enjoy the digital modes, especially RTTY, and have been using some FT8 outside of contests. A signal power that FT8 reports as being at -15dB, is easily heard and copied by ear by any decen
/archives//html/Topband/2018-12/msg00203.html (9,826 bytes)

2. Re: Topband: On FT8, noise bandwidths, filters, and signal vs noise. (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Thu, 20 Dec 2018 13:00:24 -0500
Speaking to the narrowness of filters for CW; I recently had an issue with my K3s which has the dual Rx and a full compliment of filters with 200Hz the most narrow in the main & Sub Rx receivers. I s
/archives//html/Topband/2018-12/msg00205.html (11,905 bytes)

3. Re: Topband: On FT8, noise bandwidths, filters, and signal vs noise. (score: 1)
Author: "JC" <n4is@n4is.com>
Date: Thu, 20 Dec 2018 19:26:05 -0500
Hi Tim You wrote < In VHF/UHF and EME weak-signal CW work, a lot of operators also liked listening with wider RX filters too, often preferring Gaussian filter shapes, and letting their ear pull the s
/archives//html/Topband/2018-12/msg00209.html (10,060 bytes)

4. Topband: On FT8, noise bandwidths, filters, and signal vs noise. (score: 1)
Author: DXer <hfdxmonitor@gmail.com>
Date: Thu, 20 Dec 2018 19:57:21 -0500
Tim, I'm a QLF CW operator. Yes, that bad. :^) What you described below is exactly what I go through during a contest. Unless I switch back and forth between narrow and wide, I cannot listen for very
/archives//html/Topband/2018-12/msg00210.html (7,699 bytes)


This search system is powered by Namazu