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--- project:sdr:tetra:sniffutils [2016/12/26 05:26] – created jenda
+++ project:sdr:tetra:sniffutils [2016/12/26 05:35] (current) – [retune.sh] jenda
@@ Line 26: / Line 26: @@
 (the directory is the one that contains the .cdata.bz2 files)
+==== retune.sh ====
+retune.sh checks on which channels there was no traffic in the last 4 days. It then replaces these channels with other channels that have the best signal.
+Example:
+<code>
+$ bash retune.sh localhost 3333 21,22,20,28,41,27,6,25,9,40 0
+Obtaining list of sniffed data frames, this may take a while...
+FDMA scan... 10%... 20%... 30%... 40%... 50%... 60%... 70%... 80%... 90%... 100%...
+(chan id 0) is OK
+(chan id 1) is OK
+(chan id 2) is OK
+(chan id 3) is OK
+(chan id 4) is OK
+(chan id 5) is not OK
+has good SNR, but we are already sniffing it
+has good SNR, but we are already sniffing it
+has good SNR, but we are already sniffing it
+has good SNR, but we are already sniffing it
+has good SNR, but we are already sniffing it
+has good SNR, but we are already sniffing it
+has good SNR, but we are already sniffing it
+chosen 51 instead.
+(chan id 6) is OK
+(chan id 7) is OK
+(chan id 8) is not OK
+chosen 58 instead.
+(chan id 9) is OK
+Old FCL string: 21,22,20,28,41,27,6,25,9,40
+New FCL string: 21,22,20,28,41,51,6,25,58,40
+</code>
+The last parameter, demodulator offset, should be 30 for your second SDR (tetra2.py). (yes, we know that this is a terrible hack)
 ==== run.sh ====