Search results
Query: vhf
Links: 743 | Categories: 25
Categories
- Shopping and Services > Antennas > VHF Antenna
- Technical Reference > VHF Radios
- Operating Modes > VHF UHF
- Antennas > VHF UHF
- Manufacturers > Antennas > VHF UHF Microwave
- Radio Equipment > VHF-UHF Amplifiers
- Radio Equipment > VHF-UHF Handhelds
- Radio Equipment > VHF-UHF Mobile
- Technical Reference > Amplifiers > VHF Amplifiers
- Operating Modes > Aircraft scatter
- Manufacturers > Antennas > VHF UHF Microwave > Ground Plane Antennas
- Antennas > Handhelds
- Radio Equipment > HF Transceivers
- Radio Equipment > VHF-UHF Mobile > ICOM IC-2100H
- Radio Equipment > VHF-UHF Mobile > ICOM IC-2720H
- Radio Equipment > HF Transceivers > Icom IC-705
- Radio Equipment > VHF-UHF Handhelds > Icom ID-51A
- Shopping and Services > Marine Radio
- Radio Equipment > VHF-UHF Amplifiers > RM VLA-200
- Radio Equipment > VHF-UHF Amplifiers > TE Systems 1452G
- Radio Equipment > VHF-UHF Handhelds > TYT MD-2017
- Radio Equipment > VHF-UHF Mobile > Yaesu FT-2800M
- Radio Equipment > VHF-UHF Mobile > Yaesu FT-7800R
- Radio Equipment > HF Transceivers > Yaesu FT-818
- Radio Equipment > VHF-UHF Mobile > Yaesu FT-8800R
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This halo antenna was built to have an omnidirectional coverage while working in VHF contests. -
SDR Receiver a compact high performance HF software defined radio receiver designed to be used in fixed or portable stations. Version 2 of the receiver is now available. It now has an RF pre-amplifier using a power MOSFET and other revisions to improve it's performance both as a stand alone receiver and as an IF panadaptor with HF and VHF transceivers. -
The Discovery series of amplifiers are designed and built in the UK by Linear Amp UK Ltd, one of the world's leading amplifier manufacturers, specializing in high power RF tube amplifiers. The amplifiers use large GS31 or GS35 ceramic triode tubes. Band coverage 6m, 2m and 70 cms -
Article by Ed Bathgate, N3SDO as published in CQ VHF Magazine July, 1988 -
Homebrew a 2m/70cm portable or mobile whip antenna for your HT or mobile radio -
ShipPlotter displays complete information about ships that are within VHF range of your position using the Universal Automatic Identification System (AIS). -
Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V -
A table with Loss in DB/100m , Max power in Watts, Diameter in mm , Velocity factor (VF) expecially in VHF UHF and Microwave -
The I0JXX is an italian company that offers market their projects, also sells electronic products of high quality, both for Ham, both Broadcast and their accessories. VHF Antennas, mosfet power amplifiers, filters, insulators, power dividers, telescopic poles, antenna masts -
Vortex Antenna Systems, radio communication antenna aanufacturer and supplier of antenna related hardware. Ham radio HF and VHF Antennas, antenna parts, mast and mounts. -
VHF Optimized Yagi Antenna for the 6-meter band (50 Mhz) by ON6MU -
Summarizes a portion of the FCC rules 47 CFR 80.371(c) and 80.373(f) -
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Provide components to the amateur who wants to construct their own gear and to the professional who wants to save money and time in prototyping their circuit design, Filters, HF Amplifiers, Splitter Combiners, VHF Amplifiers, ATV -
WSJT-X and MAP65, open-source amateur radio programs, facilitate weak-signal digital communication. WSJT-X covers VHF/UHF to HF, decoding subthreshold signals. MAP65 optimizes for VHF/UHF EME with JT65. Free and GNU GPL licensed, WSJT-X is on Windows, Linux, and OS X, while MAP65 is Windows-only, supporting SDR hardware. -
Free VHF/UHF/Microwave contest logging software for rovers and non-rovers - Runs under Linux, Windows, etc. -
MMMonVHF maintains the data for 6m, 2m, 70cm and 23cm bands in collaboration to LA0BY. This site allow display of a beacon map and latest beacon spots. -
Topic on eham forum on how to start building a VHF ham radio repeater. -
Antenna was designed for SO-50 satellite operation but can be used for any VHF/UHF activity. It's a mix of a Moxon Antenna and a Yagi antenna. It has gains 4 dBd on 2m and 6.5 dBd on 70cm bands and it is fed via single 50 Ohm cable. -
RF engineering solutions, HF VHF antenna systems and radio communications equipment. -
A portable VHF home-made Yagi-Uda antenna, that is extremely easy to build and very cheap. Moreover this antenna, while dismounted is just 1 meter long, and the total weight is just 100 grams. -
New User Tips for VHF-UHF Operation by Dave Schultheis WB6KHP -
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A 10 Bands mobile antenna for about the price of 2 mobile monobanders. -
Remote HF - VHF - UHF radio station using TS-2000 and remoterig devices -
VHF/UHF DX site showing latest propagation, software, radio dealers, awards, maps etc. -
Tactical Radios Manufacturers of HF and VHF Transceivers, NVIS Antennas, Portable and mobile antennas for military and commercial use. -
A must read guide for all new and old operators. This document was originally written with the prime focus on DXing and pileup behavior. Suggestions by proofreaders have been implemented; the document is not as narrowly focused anymore as originally intended. It contains hints, tips and tricks for newcomers as well as old-timers. Additionally there are VHF/UHF operational matters, DX Cluster ethics, COPS, Conflict Situations and more. -
The UK Scanning Directory - HF, VHF and UHF UK Scanner Frequencies Database Updated Daily by a dedicated group of Radio Amateurs and SWL Listeners -
Vhf Ufh transceivers, repeaters, Telemetry Scada Systems and accessories -
A small portable antenna tuner for HF and VHF bands by ON6MU -
List of VHF UHF ham radio repeaters in italy with frequencies and locations -
A popular 2 meter antenna returns in an improved, easier to reproduce form, 2008 QST article -
General purpose RF Wideband PreAmp based on BSX-20 transistor with a frequency range 14-550 MHz -
An interesting article on building a 4 elements yagi antenna with gamma match for the 2 meter band. This article include two videos demonstrating assembling procedure by KG0ZZ -
This antenna provides continuous coverage of the 2 metre (144-148MHz) and 70cm (430-450MHz) bands and is an excellent choice for base station use. -
GitHub reposotory of QradioPredict, a radio propagation prediction tool for VHF-UHF, based on the Irregular Terrain Model, also known as Longley-Rice. Can be used as a repeater site planing tool. Has an internal APRS client which can be used to display stations as a landmark. -
This antenna will cover the 2 meter Ham Radio frequencies. This collinear antenna has a total gain factor approx 6 to 7dbd on two meter band -
A 400 W 144 MHz GI7b Linear amplifier -
Schematics of a homebrewed diplexer for VHF and UHF in german -
Moon bounce EME, meteor scatter and weak signal operations, introduction by ARRL. -
VQLog is a shareware log-book program for Windows specially intended for HF or VHF-DX'ers and Satellite enthusiasts, and it is fully usable for ALL amateur bands from 0 KHz to 99 GHz -
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Cruise Ship and Maritime Monitoring Frequencies - cruise ship frequencies maritime scanning radios vhf uhf -
A project for a four element cubical quad antenna for 144 MHz in portuguese -
Professional ham radio VHF amplifiers made in indonesia -
An RF power supply for 144 MHz schematics and instructions -
TRasceivers HF-VHF-UHF, repeaters, GPS, antennas, based in italy -
How to make your ham radio system mobilemany ham radio operators carry radios for fun, safety and public service activities. radios for both vhf and hf frequencies can easily be installed in vehicles. -
Dutch Antenna and Tower Manufacturers from Slimline Square Triangular Round Towers. Antennas production include Yagi Monoband/Dipole/HF Quad /50MHz and 70MHz Yagi-Quad, VHF-UHF yagi-Quad and Comby antennas VHF/UHF/SHF