Uhf Radio Repeaters

Built My Own VHF Repeater - YouTube
Built my own VHF repeater using a PC case. Yes I have the license from FCC. Yes, I know they'll be a bit of a squelch tail. The Real Story - Ham Radio Q&A - Duration: 9:25. KB9VBR Antennas ... View Video

Introduction To Digital Radio - On Line Ham Radio Class
100% digital only radio communications over the VHF, or UHF frequencies. Technology is extensively used through out the world Authorized by the FCC for amateur use ~5 years ago. Growing in use by amateurs around the world. Supports Voice, Text, and Data over VHF and UHF Most repeaters are linked over the Internet and world ... Retrieve Document

FCC ONLINE TABLE OF FREQUENCY ALLOCATIONS
Radio Broadcast (AM)(73) Private Land Mobile (90) 5.87 5.87A 1605-1705 1605-1625 BROADCASTING 5.89 1605-1615 MOBILE US221 G127 BROADCASTING 5.89 Radio Broadcast (AM)(73) Alaska Fixed (80) Private Land Mobile (90) 1606.5-1625 FIXED MARITIME MOBILE 5.90 LAND MOBILE 1606.5-1800 FIXED MOBILE RADIOLOCATION RADIONAVIGATION 5.91 US240 1615-1705 ... Read Here

(VHF FM Repeater) (UHF FM Repeater) - Comnet Radio
VHF AND UHF FM REPEATERS (VHF FM Repeater) (UHF FM Repeater) 50 Watt continuous full duty cycle operation This repeater looks as good as it performs. A rugged heatsink, large cooling fans and a high performance power module pro-vide the repeater with a stable 50W at full duty cycle operation. Automatic battery backup system ... Read More

Lesson 10: Repeaters - Wikimedia Commons
When two repeaters that have been recommended by a frequency coordinator interfere with each other, it is VHF/UHF bands pass easily through the ionosphere, radio control link ... Retrieve Here

70-centimeter Band - Wikipedia
The 70-centimeter or 440 MHz band is a portion of the UHF radio spectrum internationally Amateurs predominately use the band for FM or digital voice communications through repeaters. One practical concern when comparing the 70-centimeter band to the 2-meter band is that a quarter ... Read Article

Digital Voice for VHF/UHF FM FM/Repeaters—Inside Amateur Radio’s “Utility” Mode By Bob Witte,* KØNR *21060 Capella Drive, Monument, CO 80132 e-mail: <bob@k0nr.com> Modulation Type Band Digital Rate DV 146 MHz, 440 MHz, 1.2 GHz 4.8kb/s DD 1.2 GHz 128 kb/s Backbone 10 GHz 10 Mb/s Table 1. Summary of available D-STAR modulation formats ... Fetch Here

General Mobile Radio Service - Wikipedia
The General Mobile Radio Service (GMRS) is a land-mobile FM UHF radio service designed for short-distance two-way communication. It requires a license in United States but some GMRS compatible equipment can be used license-free in Canada . ... Read Article

Motorola RPX Repeater Brochure
Specifically for UHF RDX™ and CLP two-way radio users, the Motorola RPX portable repeater helps to RPX repeaters eliminate dead spots caused by the architectural Motorola RPX Repeater Brochure Author: Motorola Subject: Motorola RPX Repeater: Light, Portable, and Easy to Deploy ... View Full Source

Invitation To The Future - Yaesu
YAESU DR-1 is a digital/conventional FM dual mode repeater that covers the VHF and UHF amateur radio bands. It was developed for use with System Fusion. Replacing your conventional analog FM repeater with the DR-1 will provide ... Read Content

Dual Frequency One-Way HT Range Extender - Ham Radio & More
Repeaters by simply changing channels on your HT; and, you only need one mobile radio configured as a cross band repeater to access two different VHF repeaters. Compared with a conventional cross band repeater, this technique has one downside. The audio from the VHF repeaters is not rebroadcast on the UHF frequencies. But as ... Retrieve Full Source

NIOSH Firefighter Radio Communications
Ultra high frequency is the part of the spectrum from 300 to 3000 MHz. These ultra high Repeaters are used to augment the range of the radio system. Repeaters also allow a low-power portable radio to hear other radio messages (to, from, NIOSH Firefighter Radio Communications Chapter I ... Read Here

Repeater - Wikipedia
Radio repeaters improve communication coverage in systems using frequencies that typically have line-of-sight propagation. Without a repeater, these systems are limited in range by the curvature of the Earth and the blocking effect of terrain or high buildings. ... Read Article

BRITISH COLUMBIA AMATEUR RADIO COORDINATION COUNCIL - BCARCC
Repeater List: Vancouver & Fraser Valley Last Updated 23 August 2018 The following abbreviations are used: e emergency power a Autopatch C Closed, limited access l linked or crossband system o Open repeater 442.575 447.575 + Vancouver VE7ZIT FM 114.8Hz Radio Filipinas Int'l ... View Full Source

How To Use A UHF Radio - YouTube
So you’ve got your hands on a brand new UHF radio, and free communication is at your fingertips. These privately owned repeaters are free to use – and are placed to massively boost ... View Video

Introduction To Digital Mobile Radio - Qsl.net
Digital Voice on VHF / UHF Both D-STAR and System Fusion were designed specifically for the Amateur Radio market. DMR, developed by the European Telecommunications Standards Institute (ETSI), is used worldwide by professional and Amateur Radio users. Currently, only lcom manufactures hand­ heids, mobiles, and repeaters for D-STAR. ... Fetch Content

Unlicensed VHF Frequencies - Teledesign Systems
Unlicensed VHF Frequencies Summary The MURS rules do not allow the use of store and forward repeaters. [see 95.1311] Location A MURS radio can be used “within or over any area of the world where radio services are regulated by the FCC”. [95.405(a), 95.1303] ... Retrieve Doc

How To: Icom Repeater System - SM5NVC
How to: Icom Repeater System by Preston Moore, N5YIZ March, 2007 CY -F121S / CY -F221S repeaters This section is for configuring an Icom F221 UHF radio for use with a home station using a KPC-9612 VHF/UHF TNC. ... Content Retrieval

D-STAR Radio Programming For Indiana Repeaters
D-STAR Radio Programming For Indiana Repeaters INDIANAPOLIS (W9ICE = Indianapolis Carmel Experimenters) (K9IU = Indiana University Amateur Radio Club) UHF Repeater Operating Freq. = 444.900 DUP = (+ offset) states repeaters together. Most of the time you will find many of these ... Visit Document

Repeater Antenna Systems - Qrz.ru
Repeater Antenna Systems 17-1 There is an old adage in Amateur Radio that goes “If your antenna did not fall down last winter, it of VHF and UHF repeaters use vertically polarized antennas, and all the antennas discussed in this ... Read Content

GMRS Repeater Project - YouTube
Motorola Radius 25watt 2 channel mobile 5 pin radio - RX Radio Motorola Maxtrac 25watt 2 channel mobile 5 pin radio - TX Radio CSI-9800 Rack mount, programmable Repeater Controller / Phone Patch ... View Video

FRS, GMRS, & HAM Radios - K6mpn.org
Family Radio Service (FRS) Uses “channelized” frequencies in the ultra high frequency (UHF) band. Operate on any of 15 dedicated channels (1-7, & 15-22) * typical range in a city **much farther using repeaters FRS GMRS Ham. ... Return Doc

Amateur Radio Repeater Basics
Amateur Radio FM Repeater Basics Al Duncan – VE3RRD . Updated October 2007 . Repeaters usually have a time-out function that will shut down the transmitter if the repeater is held in transmit mode for too long a time (normally two to four minutes). This ensures that if someone's ... Doc Retrieval

PASSIVE REPEATERS - Applications & Advantages
The radio repeater. The passive repeaters enable the radio repeater to be located near and existing road and power line. This greatly reduces not only the cost, but also the environmental problems that are associated with building an access road and a power line to a ... Read More

The $100 GMRS Repeater (Updated)
Local radio shop and they lend new meaning to the phrase "sticker shock". A new PPL6060 mobile radio (very popular UHF mobile a few years ago) and you can now three repeaters (and three spares) built like this on the island of Dominica in ... Get Doc

AUSTRALIAN UHF CB/PERSONAL RADIO SERVICE
AUSTRALIAN UHF CB/PERSONAL RADIO SERVICE (For UHF radio waves the wavelength is between 10cm and 1m. For HF radio waves the wavelength is 10m to 100m). Channels 31-38 as these are the input channels of repeaters. Channels 5-35 are reserved for emergency communications. ... View Doc