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

N4ZR n4zr at comcast.net
Sat Jul 8 10:22:28 EDT 2017


Hi Paul - if thebeacons of interest are included in the beacons.csv 
file, they should not be excluded even if non-CQ spots on 6M were 
disallowed, so long as CW Skimmer is told to spotnon-CQers. There are 
hundreds of 6m beacons on the list now, which we get from a reputable 
compiler of beacon lists..

I'd like to think that running aggressive validation will solve most of 
the problems with bad spots.

It *may* be possible to run Skimmer and Skimmer server on the same 
multiband RX by utilizing the CWSL_Tee software developed by Petr 
Paryzyk at OL5Q.  See 
<http://reversebeacon.blogspot.com/2013/03/multiple-receivers-one-aggregator-by.html>. 
No guarantees, though, because I haven't done it myself.



73, Pete N4ZR
Check out the Reverse Beacon Network
at <http://reversebeacon.net>, now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

On 7/7/2017 8:02 PM, N6EV - Paul Carreiro Paul at N6EV.com [RBN-OPS] wrote:
>
>
> 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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