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I don't know if your statement was intended to dispute parts of my post or just to add an additional suggestion, Only the latter my friend, not the former! Glue on the Mini-DIN connector ( Or PS/2

Allen, I don't know if your statement was intended to dispute parts of my post or just to add an additional suggestion, but to clarify, I NEVER SUGGESTED THAT ANYONE SEAL THE MTT4BT CASE. And, unless

Will do! Allen

Hey Allen: I am surprised how few times screaming works for me, even though I try it often. Mumbling naughty words is a good back up plan. All is well in AZ -- give a shout if you are headed this way.

Gil, The older Byonics receivers ( With the red LED) do fail completely if they have not been powered up in a long while. (Years) They have a "watch battery" type memory. We were using those over a

From the Group Description page: *Please state your valid amateur radio call sign when requesting to join and always sign your message posts. Thank you! * Thank you to all that do, and to all that

The Isotropic antenna can be found on any street in Utopia.:) Allen

exactly. always worthwhile to check the coin cell voltage, if possible. recently I found a GPS module from 2005? ish. would not sync. I replaced the coin cell, 25 minutes later, it is happy. Cliff

Yeah, many gps modules have non-volatile storage (some have little batteries) to save the most recent "constellation" of sats in view. This saved info definitely makes for a warm start -- even though

Bob: That eznec looks interesting, and apparently the pro version is going to be free at the turn of the year when the author retires (though no passing off of source, so this program will eventually

Bob, I would be happy to send you a transmitter to field test on the trail. The MT-1000 has 1.7? Watts out, runs of 3 X AA batteries, and weighs about 6 ounces with (3 X AA? Alkaline)? batteries.

If the GPS has been turned off for a significant time, and especially if the unit has been moved a significant distance, the first fix can take a long time. If you leave the AIO out for that long

Robert, The MT-AIO is a "deaf" transmitter. It does not listen for a busy channel before transmitting; it transmits on a scheduled interval after waking the GPS from sleep and waiting for a valid

Will this handle the modeling of adjacent antennae in the near field? 73, Allen AF6OF

Please do not seal the plastic MTT4BT enclosure with any sticky goop. These are very low mass transceivers ( The actual PCB's weigh a few ounces) with relatively high power amplifiers on board ( 10-40

Marc, The green flashing LED on your AIO indicates that the device is waiting for a valid position to be calculated by the GPS. If you have left your AIO off for a very long time, I suggest letting it

Robert: TY for the reply. Here are my observations: 1) I do not understand how the GPS indicates there is a fix.? I assume its related to the green LED. Upon powerup, the TT3 TX one time (one red

A LONG boring list of ideas and techniques follow (you've been warned!): I like the idea of a water-tight box in a central location to split off the various signals and power leads. I've used a former

Sure, The program EZNEC is a great way to see antenna patgterns. The free version lets you build antenna (and strucgture) models of up to 500 pointe. I cannot live without it! Bob

There are 2 main reasons fro no TX:1. No position available - as you said, GPS issue?? Does the GPS indicate it has a fix??? I think if you open the case, you can see the GPS LED ?? Do the LEDs