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Hey all, Where might I find the firmware source code for the ATMEGA1284P on the MTT4BT/? I am interested in contributing modifications as follows: 1. Expand the unit's ability to accept modern NMEA

Rob, It makes me sad that you don't have an RTG! Allen AF6OF

Rob et al, I sent Andy a copy of the correct RTG firmware as an attachment this morning. As you correctly suspect, the plain TT3 firmware is a completely different species. 73, Allen AF6OF

I don't own one, but as I recall, the base tt3 firmware doesn't have the settings for fhe radio part - freq, etc. TT3 v1.42 appears to be specific to the TT3 Plus.? I didn't see any MT-RTG files in

I have a?MT-RTG FA v1.8 2014-3-10 that was purchased as a WX-Trak version to interface to Peet Bros. Besides testing it has sat on a shelf as a spare and now I am looking to convert it back to a

Since you haven't used the TT4 in quite some time, I suggest reprogramming the firmware.This will ensire it is up to date.After that I would do a "RESTORE" to get it back to factory.Then go through

After a lapse of many years, I am trying to put my TT4 into use for packet first and then Winlink.? I was having some success powering up the TT4 and configuring it with my callsign and some other

Did you ever get this sorted? I have my PATH1 = ARISS and PATH2 = WIDE2-1, I can decode packets fine but when I beacon, I cannot seem to digipeat through the ISS.

Does anybody know how I can change that commentary sent by Davis WX? Thank you [image: Davis.png] -- *PY5LF * *Luciano Fabricio* *www.falautomation.com.br <http://www.falautomation.com.br>*

Compton, I certain installations, I have placed the GPS in the worst possible place; under a car facing the ground. This brought the GPS position from its "normal" position of around 30 feet of CEP to

Be interesting to hear the results of you testing. "Under the drivers seat could add more inaccuracy." But over time I suspect it will average out and be accurate enough to determine the location of

I recently purchased a used TT4 with the optional display. I got a new PS/2 style keyboard from Amazon, it works with my PC no problem. However, I cant figure out what's going on with the TT. It will

I recently purchased a used TT4 with the optional display. I got a new PS/2 style keyboard from Amazon, it works with my PC no problem. However, I cant figure out what's going on with the TT. It will

Liz, I agree, the seat should make a great shield. I am reminded of an old military axiom: If its stupid and it works, its not stupid! 73, Allen AF6OF

"vhsproducts via groups.io" <vhsproducts@...> wrote:

Liz, Although I can't guarantee the amount of the position shift error, you can introduce error by using the power switch option in the TT3 configuration, and by shortening the delay period to zero. (

How much less precision Liz? Is the device in a fixed position or moving? -- Compton VK2HRX Sydney, Australia

The MT-RTG doesn't support position ambiguity. Byon

APRS supports 0.01, 0.1, 1 and 10 minute position ambiguity. I think you can turn that on in the TinyTrack. bob

I'd like to decrease the positional accuracy of my TT-RTG, as I wish to broadcast a less precise position. What suggestions do people have? Liz VK2XSE