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Running CW Skimmer, RBN Aggregator and working cw - abnormally high db reports
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NM1W
Member ✭✭
I'm running smartsdr v1.9.13, cw skimmer 1.91, rbn aggregator 4.3.
Lets just run one cw skimmer, and it will be on the band I'm working;
If I 'm just listening around skimmer is reporting to the rbn what seems like normal levels; I see a new mexico station at 9db at 1928, and after I make a call of another station I see that NM station spotted at 88db.. Frequently I'm seeing stations spotted at 150+ db... So I'm assuming either I'm doing something wrong, or one shouldnt be reporting to rbn unless one is in listen only mode??
I've attached a picture from the other day when I was changing bands and making qsos. You can see some very large db values..
Thoughts?
Lets just run one cw skimmer, and it will be on the band I'm working;
If I 'm just listening around skimmer is reporting to the rbn what seems like normal levels; I see a new mexico station at 9db at 1928, and after I make a call of another station I see that NM station spotted at 88db.. Frequently I'm seeing stations spotted at 150+ db... So I'm assuming either I'm doing something wrong, or one shouldnt be reporting to rbn unless one is in listen only mode??
I've attached a picture from the other day when I was changing bands and making qsos. You can see some very large db values..
Thoughts?

0
Answers
-
Hi Jim,
I wonder if it's a "receiver recovery" artifact.
Have you tried simulating some QSOs at lower power (e.g. 5 watts) to see it the reported numbers are also lower?
How do you have the "show TX in waterfall" option set?
Regards, Al / NN4ZZ
al (at) nn4zz (dot) com
SSDR / DAX / CAT/ 6700 - V 1.10.8
Win10
0 -
Hi Jim,
As long as you are RXing the levels will remain calibrated in CW Skimmer. As soon as you TX it will take Skimmer a bit to re-calibrate and for a few minutes or so you will see highly inflated SN ratios reported by Skimmer and the Aggregator program. This is "normal" in the configuration you are using. I get exactly the same responses here after I have transmitted on the Band I am Skimming.
I am not sure what the "fix" is but i have tried every setting known to man so far without success.
Regards
Larry k1UO
1 -
Al - I had show tx in waterfall enabled; no change in disabling.
Larry - Tks for confirming what I'm seeing. I've gotten a few comments about the high SN ratios; At least I know I'm not alone
tks
73
-jim NM1W0
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