Apr 14, 2025 · I am writing a program that should integrate a Winlink client. All elements of the protocol used in Winlink network seem to be described well, but I cannot find the algorithm to calculate …

Should we more narrowly define the scope of this stack? discussion Scott Earle Mod 4,699 answered Jan 17, 2024 at 7:02 5votes 1answer 82views

Dec 15, 2014 · I've seen many contests define mobile as something like being able to legally move and broadcast. Well, using an HT while walking I can legally move. Does this count as mobile contacts …

Jun 10, 2020 · This answer confuses resonance with reactance. It's quite possible to have a resonant length of wire that is highly reactive at the feed point. (Off-center or side loaded, etc.) Given a fixed …

Jul 24, 2025 · Define "transmit over the full 88-108MHz." In a literal interpretation without any other constraints, if you generate a wideband noise, filter for that bandwidth and feed through a power …

Sep 2, 2024 · Referring to Building a portable event repeater what criteria should I use to search for a crossband-capable transceiver? Specifically, what terms do I use with places like Ham Radio Outlet, …

Dec 27, 2020 · In your diagram, the + terminals would all be connected to the A arms. Assuming a half wave spacing of the dipole feedpoints, the EM fields can cancel parallel to the antenna elements, …

Jan 6, 2018 · Imagine your data is not white. That means that at certain periods, it contains more variance, and hence information, than on others. That's bad, because now certain frequencies …

Oct 10, 2019 · According to the Amateur Radio Guide to Digital Mobile Radio by W2AXB, CC is the DMR programming "Color Code."

Oct 30, 2022 · It almost always makes sense to use TONE. On Yaesu radios, TONE will send a CTCSS tone when you push PTT, which almost all repeaters sense. If the tone is not there, your signal …