[Skimmertalk] [RBN-OPS] false 6 meter spots

Andy KU7T ku7t at ku7t.org
Sat Jul 8 00:11:23 EDT 2017


Thanks everyone for the clarification why it works as it does. I will just keep skimming with Normal excluding 6m. Once I have more options to skim on different box, will remember to use Aggressive on 6m.

Andy
KU7T
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From: RBN-OPS at yahoogroups.com <RBN-OPS at yahoogroups.com> on behalf of N6EV - Paul Carreiro Paul at N6EV.com [RBN-OPS] <RBN-OPS-noreply at yahoogroups.com>
Sent: Friday, July 7, 2017 5:02:29 PM
To: RBN-OPS at yahoogroups.com; skimmertalk at contesting.com
Subject: Re: [Skimmertalk] [RBN-OPS] false 6 meter spots



Hi Pete, et.al.
I would highly discourage RBN doing away with non-CQ spots on 6 meters.  Doing so would eliminate all beacon spots on the band.  And beacon spots are essential to early detection of sporadic-E openings.

As has been mentioned, the culprit in most of these false-spot situations is more often than not running normal mode vs. aggressive callsign validation with non-CQ calls passed.  And this almost always happens with an RBN node trying to run both HF bands and 6 Meters at the same time.   Unfortunately, the two (HF / VHF) have competing requirements.  HF needs normal validation with CQ only spots.  6 Meters needs aggressive validation with non-CQ spots passed.   I wish there was a way for the skimmer software to apply these attributes selectively based on HF vs 6 meters in these multi-band setups.   Until that capability appears, I would suggest such setups that continue to run multi-band with 6 meters run with normal callsign validation and CQ Only selected.  As stated above, unfortunately this would eliminate beacon spots, but their quality of spots on 6 would improve (i.e. false spots reduced).

I also run a single band 6 meter Softrock Enemble RX SDR.  So I'm not directly familiar with these multi-band setups.  Realizing that, is there a way to run multiple instances of Skimmer/Server and Aggregator on a single SDR, splitting HF and 6 meters between the software?  That would allow applying the attributes above appropriately per band.

73
Paul N6EV
http://N6EV.com/


At 05:39 AM 7/7/2017, N4ZR n4zr at comcast.net [RBN-OPS] wrote:

<snip>
Should we be re-thinking allowing non-CQ 6-meter spots to be posted to the RBN?  What are the pros and cons?




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Posted by: N6EV - Paul Carreiro <Paul at N6EV.com>
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