UHF Horizontal Wire Loop Aerial vs. Standard Whip: A Close Call ...
2024年12月1日 · UHF Horizontal Wire Loop Aerial (UHFHWLA) Delivered Close Call hits at distances up to 22.6 metres , with an average detection range nearly three times greater than the whip. This superior performance demonstrates the loop’s higher gain, making it more effective at pulling in weaker or distant signals.
What is UHF1, UHF2, UHF3, etc? | RadioReference.com Forums
2017年8月3日 · 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: 400-470MHz; UHF2:450-520MHz; UHF3: 350-400MHz; UHF5: 806-941MHz I thought maybe the numbering scheme was just an internal...
Range - UHF vs. VHF | RadioReference.com Forums
2024年10月27日 · These days I use UHF hand helds, mostly at 2 watts. I've used them all over the Eastern Sierra mountains, Local SoCal hiking, and backpacking through the Grand Canyon. The UHF 2 watt radios worked really well. I think the environment you use them in should dictate. Use VHF if you are in really thick vegetation and UHF for rocky or barren places.
VHF/800 & UHF Diplexer - RadioReference.com Forums
2024年9月14日 · Hello Everyone, I am trying to find a diplexer solution to upgrade my main radio. Currently I have a VHF Motorola XTL5000 (Main Radio) and a UHF Motorola XPR5550 with coax going to a VHF/UHF diplexer feeding a 1/4wave dual band antenna. I have upgraded to a VHF/700/800MHz Harris XG-100M...
800 MHz UHF Vertcial VS. OmniX Scanner Base Antenna
2024年8月28日 · Hello all, I appreciate your help in advance as I have enjoyed listening to scanners for years, but only recently am looking into delving deeper into the hobby and have a lot to learn. I currently have a Pro-106 scanner, and primarily listen to 800 MHZ P25 systems in my area in north/central...
Marine UHF Frequencies - RadioReference.com Forums
2020年3月5日 · Not all of the UHF channels are permitted in the USA. They use 10MHz offsets for the repeaters (as opposed to 5MHz offset used on most commercial UHF repeaters in the USA). With the 10MHz offset, some of the repeaters would cause issues on the US GMRS frequencies. Like all ships, the UHF frequencies would be handled like the VHF marine …
BNC Portable Antenna Suggestions - RadioReference.com Forums
2024年4月9日 · Pryme Radio Products RD-8H PRYME RD-8H VHF/UHF HT Antennas | DX Engineering Altho VHF/UHF works quite well for me on 800/900 and supreme on VHF/UHF from the Home Office using the ole Radio Shack version of this WCLIP-1 - Window Clip Mount With BNC sitting on the Metal shelve/Racks
Getting Licensed For UHF Itinerant Frequencies
2024年3月6日 · Low power UHF itinerant frequencies are below, and you would need to choose an area of operation (citywide, countywide, statewide, or nationwide): Group C Frequencies. The Industrial/Business Pool frequencies in Group C are available nationwide for non-coordinated itinerant use as follows.
Mobile 70cm/2M antenna recommendations
2024年9月29日 · Ditto. It's been a while since I've owned any ham gear, but when I did, I'd often run just a VHF 1/4 wave whip since that's what I used most of the time. On 70cm, they operate as a 3/4 wave antenna. The radiation angle on UHF shoots a bit above the horizon, but not a big deal for most users.
New to HAM and GMRS Need Antenna advice
2024年12月2日 · The antenna(s) I have been debating about are the Coment CA-2x4SR VHF/UHF or the Bingfu High gain 62" ham radio antenna. Im not stuck on either one of these, So im open to other Ideas as well. Im looking for a durable antenna that will do what I want or will work best. I would like one antenna that can handle both radio's with the help of a ...