[OZAPRS] TT3 works on HF but not on VHF

[Ray Wells]

Ah! That magic ingredient, pathloss :-)

Ray vk2tv

David and Justine Olsen wrote:
> It turns out VK4RAT has antenna issues at present, and has a folded 
> dipole at fence height and can't see me.
>
>
>
> On 26 Apr 2009, at 06:18, Rob wrote:
>
>> 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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>
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