Quote:
Originally Posted by mgrover
is it possible to have 3 antennas paired down to 1 antenna input?
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If these antennas span the same frequency ranges (e.g., all of them cover UHF), then the short answer is no.
When antennas cover non-overlapping bands (e.g., low-VHF, hi-VHF, and UHF), then you can combine those feed efficiently (minimum loss / interference) using devices known as diplexers.
When the antennas cover the same frequency bands, you can no longer rely on diplexers to combine them efficiently. If you connect them through a normal splitter/combiner (also known as a power divider), you can physically get the signals onto a single coax, but you will have a significant loss of signal strength, and you might also be introducing a lot of unwanted signal interference. You cannot achieve the ideal combination that you were hoping for.