Nov 17, 2024 · The UHF Horizontal Wire Loop Aerial (UHFHWLA) is a simple yet effective DIY antenna project designed for UHF frequencies, particularly for monitoring UHF CB and other …

Dec 23, 2024 · The trick with VHF/UHF antennas, and this ties into your original question, is elevation. Since VHF/UHF signals are primarily line of sight, you need to get the antennas as …

Aug 3, 2017 · I've been looking at some radios that operate in the UHF range and have been seeing multiple bands listed in the specifications. It's usually listed similar to this: UHF1: 400 …

Jan 13, 2025 · Thus, if the VHF and UHF transmitters are using the same output power, the VHF signal will travel farther, under normal conditions. An example that comes to mind is my CB …

Mar 19, 2023 · Since most of the overall Ham bands were chosen specifically based of the principle of Harmonics, yet not immediately being able to find anything solid regarding a DIY …

Sep 1, 2023 · So put another way, on the cruise ship the "range" of my DLR1020 1 watt FHSS 900 MHz radio was "16 decks" while the "range" of my 4 watt and 5 watt VHF and UHF analog …

Jun 17, 2025 · But are you looking to license a UHF repeater within the 70 cm amateur radio band (420-450MHz), or on another part of the UHF spectrum? Your license -only- covers the …

Oct 28, 2023 · Many antennas are described as covering a spread of UHF frequencies (e.g. 420-470 MHz), while a few are advertised as intended for GMRS use. Is the “GMRS Antenna” …

6 days ago · KRA-27M3 UHF whip antenna 400-450 MHz I want to be able to operate in both in the amateur 70cm band and frequencies in the 460-470 MHz range. Seems like I need to pick …

Sep 6, 2023 · This is my first post in this forum, and I am going to talk you about the UHF frequencies authorised for Maritime on-board Communications. They are regulated by the ITU …