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Total 5 documents matching your query.

1. Re: Topband: data follow up to W4ZV and K2AV comments (score: 1)
Author: "ea5rs@ono.com" <ea5rs@ono.com>
Date: Fri, 6 Sep 2013 20:56:47 +0200 (CEST)
I find SNR reports from RBN very useful and RBN a great tool, but you have to understand the numbers and what they really mean. Let me explain that with a real life example. Almost all skywave HF sig
/archives//html/Topband/2013-09/msg00040.html (11,308 bytes)

2. Re: Topband: WLW (score: 1)
Author: "Juan EA5RS" <ea5rs@ono.com>
Date: Tue, 17 Sep 2013 19:27:01 +0200
I could agree that some of the messages on this thread might have been boring, but I find Mark's posting VERY interesting pointing to an actual propagation effect not fully explained by propagation m
/archives//html/Topband/2013-09/msg00254.html (10,472 bytes)

3. Re: Topband: Modeling the proverbial "vertical on a beach" (score: 1)
Author: "Juan EA5RS" <ea5rs@ono.com>
Date: Sun, 17 Aug 2014 02:47:22 +0200
As far as I know, skimmers are not signal-level coordinated, so strictly speaking, it only makes sense to compare measurements made by the same skimmer. Although not an expert in this field, I have p
/archives//html/Topband/2014-08/msg00153.html (14,912 bytes)

4. Re: Topband: Modeling the proverbial "vertical on a beach" (score: 1)
Author: "Juan EA5RS" <ea5rs@ono.com>
Date: Sun, 17 Aug 2014 11:47:16 +0200
Thank you for the reference Paul. Regarding the quote by N4ZR stating: "I had earlier understood that SNR was calculated in a relatively short interval just before the spot was sent to the Telnet ser
/archives//html/Topband/2014-08/msg00159.html (11,050 bytes)

5. Re: Topband: Skimmer calibration (score: 1)
Author: "Juan EA5RS" <ea5rs@ono.com>
Date: Tue, 19 Aug 2014 11:10:15 +0200
To have an idea of what kind of spread of SNRs one can expect from skimmer reports, I performed a test this morning I recorded two overlapping CQ messages with two different callsigns, one had the si
/archives//html/Topband/2014-08/msg00184.html (14,513 bytes)


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