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3

70cm is not quite but almost a third harmonic of 2m. What this means is that a 2m antenna that has sufficient bandwidth will also be a good match for 70cm. Sometimes the radiation pattern is not good, but it will still radiate with a good SWR. Also, it is possible to add inline loading coils to antennas to make them work on multiple bands without being ...


12

These antennas don't always contain a simple straight length of conductor, but rather usually have coils of wire inside, so the actual physical length doesn't mean that much. They are designed so that the antenna is wound into a coil normally to make the antenna shorter which is more practical for a hand held radio. That's why you don't see a whip that is ...


3

My personal experience: Baofeng UV-5R, works fine with stock rubber ducky antenna. Made a simple quarter-wave dipole antenna, connected to my radio with about 10 feet of cable. It transmitted much better than stock antenna. However, there was a problem with reception. The radio would receive the first transmission, and but would not re-open the squelch until ...


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