[OZAPRS] IC-706IIG tinytrak interface.

[Mike Zwingl oe3mzc]

Hi all,
I can fully support  Andrews message. I used a TinyTrack 3 connected to my

Yaesu FT100
in West-VK. The TT3 has the option to switch between 300Baud setting for 
shortwave
and 1200Baud setting for VHF use. This could even be done by a cable from 
TT3 to the ACC-port of the radio
(often used for automatic antenna tuner data or band switching data)
http://byonics.com/tinytrak/
When you change band on the TRX it automatically switches mode on aprs 
tracker.
I used this feature to transmit alternating on VHF via ISS (PC-SAT) and 
10MHz HF.

For shortwave much better suited is the DSP-TNC Tracker from SCS, which
uses 
ROBUST Packet mode and 300Baud FSK packet on hf and you can have it runnig

alternating between these two modes on same dial-qrg, but automatically 
offsetting the tone center frequency to cope with different channels. 
(10.149,3 versus 10148,8kHz). On receive The SCS DSP-TNC offers a 800Hz
wide 
capture area, that effectively elliminates frequency drift of hf-stations
in 
the outback.
http://www.scs-ptc.com/datasheets/scs_datasheet_tracker_english.pdf

The new OPENTRACKEr plus OT1+ will also have a new CPU and more RAM, so I 
hope it will soon offer
the same dual mode capabilities (300baud hf /1200baud vhf) as the Byonics 
TT3. On top the OT1+ offers serial WAYPOINT output to the GPS-display
(NMEA 
out, $GPWPL ) This is particulary useful to track some friends driving 
couple of kilometers behind in the same area or route in the outback. You 
dont need a Laptop or PC. You can use our GPS eMap or ur PDA.
http://n1vg.net/opentracker/

vy 73 de Mike, oe3mzc
keep 10Mhz ready for VK6FSM-9 in July/August

----- Original Message ----- 
From: "Andrew McDade" <amcdade at iprimus.com.au>
To: "VK / ZL APRS Users" <ozaprs at aprs.net.au>
Sent: Tuesday, May 15, 2007 12:05 AM
Subject: Re: [OZAPRS] IC-706IIG tinytrak interface.


> Gday Ron,
>
> I use a IC706IIG in conjunction with a TT3 when mobile in the
landcruiser. 
> I
> have wired it into the acc socket on the back of the body of the radio.
I
> use the TT3 on both HF ie. VK5EX-13 and VHF ie. VK5EX-13 by changing 
> between
> the two different configs. Ive also used an open tracker as well , but
at
> this time the firmware doesnt allow you to run 300 and 1200 at the same
> time. Just one or the other dependant on the reprogramming of the
firmware
> within the open tracker . I believe there a moves to change this and add

> the
> switchable 300 / 1200 feature in the future similar to the TT3.
>
> RF getting back into the TX audio and the like was an initial problem
when
> running any sort of power on HF.. This was resolved over time by using
> numerous clamp on ferrite cores , but the most noticable fix to this 
> problem
> was to ground the body of the 706 directly to the chassis of the vehicle
> with a 20cm length of earth strap.
>
> Regards .. Andrew .. VK5EX
>
>
>
> ----- Original Message ----- 
> From: "Ron Perry" <ronk at sunlinux.com.au>
> To: "VK / ZL APRS Users" <ozaprs at aprs.net.au>
> Sent: Monday, May 14, 2007 8:30 PM
> Subject: [OZAPRS] IC-706IIG tinytrak interface.
>
>
>> Trying to gather info for a temporary local.
>> Going to run VHF and HF.
>> How did you do it? Via the Mic or via the data connector?
>>
>> Your suggestions welcome.
>>
>> Ron
>> vk3ecv
>>
>>
>>
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>>
>> -- 
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5/13/2007
>> 12:17 PM
>>
>>
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