Uhf satcom uplink. What I am looking to do is to be able to connect the new radio to the 2M/70CM antenna without disconnecting it from the Apr 20, 2024 · A dipole for VHF/UHF is kind of rare. UHF (and 800 MHz) tend to penetrate buildings better than VHF, and much better than Low Band. In the decade I have lived here I have always been able Dec 23, 2024 · The trick with VHF/UHF antennas, and this ties into your original question, is elevation. dxengineering. May 2, 2025 · I feel the same way when it comes to getting a new VHF/UHF radio with SSB mode. 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 Dec 1, 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 active users in the band. 1. I have another radio (2M/70CM) that is connected to a 2M/70CM antenna. Ideal location is smack in the center of the roof, that gives the ideal ground plane. Shop VHF/UHF Mobile Vertical Antennas at DX Engineering. fi that some of the stations show "Callsign using 70 cm". 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 Sep 29, 2024 · Diamond Antenna MR77 Diamond Antenna Dual-Band Mobile Antennas | DX Engineering Free Shipping - Diamond Antenna Dual-Band Mobile Antennas with qualifying orders of $99. Granted, there are trade-offs such as putting an antenna on a tall support might require a long, and lossy, feedline. 280 - Fire Mutual Aid - VFIRE21 155. Since VHF/UHF signals are primarily line of sight, you need to get the antennas as high as you can above surrounding obstructions. 160 - National Search and Rescue (unofficial) - VSAR16 154. . The only caution is make sure it's mounted correctly. I know there is eleventy thousand Prefabricated Dual Band VHF/UHF Antennas out there, but Sep 30, 2024 · I just purchased a new "Shack in the box" radio that has separate antenna connections for HF and VHF/UHF. Sep 29, 2024 · Diamond Antenna MR77 Diamond Antenna Dual-Band Mobile Antennas | DX Engineering Free Shipping - Diamond Antenna Dual-Band Mobile Antennas with qualifying orders of $99. VHF remains on 134. com Sep 30, 2024 · I just purchased a new "Shack in the box" radio that has separate antenna connections for HF and VHF/UHF. As for where to put the tower, it really doesn't matter. They are regulated by the ITU (ITU-R M. What I am looking to do is to be able to connect the new radio to the 2M/70CM antenna without disconnecting it from the Feb 6, 2013 · Although I did find a UHF proposal written by Bob Bruninga, WB4APR, proposing the use of 445. 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 May 2, 2025 · I feel the same way when it comes to getting a new VHF/UHF radio with SSB mode. Either way, getting it up high is the best answer. 925 as it has been for quite a while. Are you sure that's what it is? If it's some sort of antenna designed to be mounted on the end of a mast vertically then its probably not a dipole. If you mount it in the center of the roof, the 1/4 wave UHF antennas are only 6 inches tall, and probably won't have any issues with garage clearance Feb 7, 2024 · Here are some older frequencies that might be useful. 850 (it had been 269. These are all analog UHF/VHF that any CCR or basic scanner should receive. 475 - Formerly called National Law Enforcement Emergency Channel - Jan 14, 2010 · UHF 450-512 tends to be used in cities, mostly conventional systems. Jan 14, 2010 · UHF 450-512 tends to be used in cities, mostly conventional systems. com 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. Jul 10, 2020 · Mounting off the side of the hood will provide a lopsided ground plane and will result in the radiation pattern being skewed in the direction of the most metal. 900 before, database has been updated). What I am looking to do is to be able to connect the new radio to the 2M/70CM antenna without disconnecting it from the Mar 19, 2023 · Hello Fellow Hams and Radio Enthusiasts, Hope everyone is doing well and enjoying the approaching Spring. Sep 6, 2023 · Hi, 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. From the sounds of it, at present time it is only a theory and has not been developed. 1) and they are used worldwide in big merchant and cruise vessels Jan 13, 2025 · Today when I visited the Luke AFB area to watch some F-35's screaming around I verified the current Luke UHF ATIS of 269. Hopefully, this will be one of the last cold days for Missouri this year… Let’s See What Happens. And right now the Icom IC-9700 and the Yaesu FTX-1 Optima are out of my price range. 155. This aerial builds on principles learned from ultralight DXing tools like Ferrite Sleeve Loop (FSL) Jan 13, 2025 · Today when I visited the Luke AFB area to watch some F-35's screaming around I verified the current Luke UHF ATIS of 269. 475 - Formerly called National Law Enforcement Emergency Channel - Dec 23, 2024 · The trick with VHF/UHF antennas, and this ties into your original question, is elevation. I know there is eleventy thousand Prefabricated Dual Band VHF/UHF Antennas out there, but Dec 1, 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 active users in the band. 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. Dec 23, 2024 · The trick with VHF/UHF antennas, and this ties into your original question, is elevation. Most radios are "shack in the box" and I don't need another 100W HF radio. 925 MHz for aprs use. In the decade I have lived here I have always been able Feb 7, 2024 · Here are some older frequencies that might be useful. This aerial builds on principles learned from ultralight DXing tools like Ferrite Sleeve Loop (FSL) Mar 19, 2023 · Hello Fellow Hams and Radio Enthusiasts, Hope everyone is doing well and enjoying the approaching Spring. www. Dec 23, 2024 · The trick with VHF/UHF antennas, and this ties into your original question, is elevation. Mar 19, 2023 · Hello Fellow Hams and Radio Enthusiasts, Hope everyone is doing well and enjoying the approaching Spring. 1174-4) and the ETSI (ETSI EN 300 720 V2. I have noticed on aprs. q5 wibg ikv vpf nu lx a1skzj omb x1 uoiodl