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Curious about the claims or intimations made in this thread about elevated installs I took a tour of the websites of three certified part 15 transmitters to learn what they say.
Grain Industries Model GI-100/1000 advises: “For the best radiation of the transmitter it should be located at a high point that is away from trees, buildings or other obstructions.”
Chez Procaster writes: “The advantage of the elevated ground system is that the transmitter is higher and in the clear and more likely to have better range.”
Keith Hamilton’s Rangemaster1000 makes available 50′ or 100′ lengths of 2-pair shielded twisted pair cable for audio/power connection to the transmitter, and both the Hamilton and Chez instructs the shield be grounded ONLY at the send end and not at the transmitter so as to avoid noise due to voltage trickling on the shield.
Note to Artisan: the major transmitter manufacturers agree with you.