[OZAPRS] TT3 works on HF but not on VHF
Rob
rob.thirkettle at canterbury.ac.nz
Sun Apr 26 06:18:54 EST 2009
Hi David I have seen this before once you have the deviation set correctly
try tweaking the calibration setting a small amount I have seen problems
with Kantronics TNC's running DCD that are sensitive to packet timing
errors.
Regards Rob ZL3RX
-----Original Message-----
From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
Behalf Of David and Justine Olsen
Sent: Saturday, April 25, 2009 7:41 PM
To: Australian APRS Users
Subject: [OZAPRS] TT3 works on HF but not on VHF
I got my replacement TT3 which now shows a valid GPS light, and I
tested it on 40m and it worked fine. I then reconfigured it for VHF
and tested it on my mobile antenna but no success. It transmits fine
and I receive it on my base.
Thinking my mobile which is very immobile at present (repairs) had a
dicky antenna or was located in a bad spot, I then set up the same
radio and TT# on my 2 meter J beam which I normally use to access the
repeater- still no luck.
The TT3 is configured.
Callsign VK4MDX-9
Digi Path WIDE1-1, WIDE2-1
SYMBOL J
TABLE OVERLAY /
Auto TX delay 300
Auto Tx Rate 120
Manual Tx Delay 133
Quiet Time 526
Calibration 128
Nothing else enabled.
The TT3 is connected to GPS and show valid GPS and transmits-
confirmed receive signal on my Kenwood 2m rig.
My radio is an Icom706MkIIG
The TT3 triggers transmit via the mic socket
The rig dial is set to 145.175 MHz
Why is my signal not decoded and not appear on the internet?
David
VK4MDX
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