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So it appears the issue was most likely rounding.? Now that the temperature is "significantly below 0" it is displaying as below zero. Glad it is working! Robert Giuliano KB8RCO

Robert Today morning the temperature reaches negative temperature in Celcius , so my question was answered; 20/07/2021 06:18:02-03:00: *PY5LF-13*>APTT4,PP5CRE-15,WIDE1*,WIDE2-1,qAR,PP5APR-10:WX

Brian, Well, we do our best not to send out units that are bad right out of production :) I look forward to getting your unit and I will make sure it is ship-shape and Bristol fashion. 73, Allen

Allen, Very much appreciate your offer. I'll get it out to you next week! The odds that the issue is my fault is much higher, than it being a lemon. I did my due diligence at each step to prevent

The amplifier is the black widget mounted to the board with screws, above the metal can. ( The RF module)? Other than a really awful short circuit of some kind, it's unlikely the 2.5mm serial port

Allen, Thanks. I have been using the V3 "Hershey Kiss" antenna that Byonics sells: Nagoya UT-108UV. https://www.byonics.com/antennas The antenna is placed on a piece of sheet metal for ground plane.

If D6 is blown out, you won't have any power to the amplifier circuit, including the T/R relay. The diode is rated for a surge rating of 9 Amperes. You can check the circuit by measuring the DC input

D6 is the main input to the RF amplifier. Robert Giuliano KB8RCO

* Yes, second interface to the computer with the 2.5mm jack. Yes, Jumpers set j4,j5 top jumpered. MiniDin- * Cable side- Ground at 5 but not 6. * Board side- The bottom two have continuity (yellow

When you say second one down, are you referring to the page, or the second computer interface with 2.5mm jack? I think you are using the 2.5mm Jack, which is the same as the BT module.? Are you

It is the cable from Byonics, second one down: https://www.byonics.com/cables Has the MiniDIN and PortB as you described. PortA uses the 2.5mm jack, PortB is the MiniDin split to DB-9 and Power

What is a USB 2.5 cable?? Are you referring to the 2.5mm jack for PortA? Sounds like a wiring issue - possibly ground. I am not familiar with the MTT4BT.? I have the MTT4B that I added my own

MTT4BT will not boot up if the USB 2.5 cable is plugged in. If i unplug from computer. It boots up immediately. If i unplug from the MTT4BT, it also boots immediately. Everything was working fine this

Ah, yes of course you are correct. I was thinking TNC to TNC no big deal, but duh.

I believe the issue is with Apple not supporting any Bluetooth before 4.0 (LE). The MTT4BT iused a HC-05 Bluetooth 2.0 module which is not Bluetooth LE compliant. The MobilinkD is a TNC.? TNCs expect

I'd like to link these two systems together. Why- well as an iOS user, Apple doesn't like anybody, but MobilinkD has figured out how to connect the APRS.FI app to their product over Bluetooth. So what

Created a Facebook group based on this success if anybody is interested. Experts welcome! https://www.facebook.com/groups/518927482886523/. Like it or not, Facebook is where the next generation of the

Thanks, Rob that fixed it. Could have sworn i changed the baud rate before, but guess not. Well I can officially confirm that the Montana 700 series will work in the APMS mount! GPS Settings *

First setting would be to set BBAUD to the GPS rate so the MTT4BT can communicate with the GPS.The specific settings for waypoints are:??? GWAYLEN 9 ??? GWAYMODE NMEA??? TSWPT TRUE

Ok, received the MTT4BT! Programming using PUTTY up and running. What settings to change to attempt to utilize the Garmin as the GPS? "It can also send received station position reports back to the