Thanks Alan... yes, if I turn MOX ON (leave in transmitt) and the send a
packet in converse mode, then it will be received 100%.
Mel
----- Original Message -----
From: "Alan" <[email protected]>
To: "'Mel Whitten'" <[email protected]>; "'FlexEdge'"
<[email protected]>
Sent: Sunday, March 10, 2013 10:54 AM
Subject: RE: [FlexEdge] 1200 baud Packet with V/U modules
Mel,
Several of us have scratched our heads over exactly that. Because of the
processing time, the PTT can drop before the entire packet is sent. Try
adding some delay to the TXTAIL (or equivalent) of 300 ms and see if that
works. Depending on the number of buffers, sampling, etc, you may need
more
or less. For the same reason, you can cut TXDELAY way down.
73s,
Alan
WA4SCA
-----Original Message-----
From: Flexedge [mailto:[email protected]] On Behalf Of Mel
Whitten
Sent: Sunday, March 10, 2013 10:39 AM
To: FlexEdge
Subject: [FlexEdge] 1200 baud Packet with V/U modules
Anyone using running FM 1200 baud packet using a hardware (SCS Tracker/DSP
TNC) TNC with the V/U modules? I can receive packets OK, but can not
reliably (many retries) make connects (even to second station in ham
shack).
Tx Audio level set for 3khz deviation but I have tried less. I have tried
up to 350ms of TXDELAY also. Maybe I need even more? I would be
interested
in your set up/configuration of PowerSDR. Tried different RF power levels
down to just a few watts, but made no difference. Tx "Packets" sound good
(i.e don't "hear" any distortion).
Thanks
Mel
k0pfx
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This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for
posting topics related to SDR software innovation and other technical SDR
topics.
