spectrum a90 vhf

Big Wheel Antennas  ^updated - About big wheel antennas for VHF and UHF

Cheap VHF/UHF Antennas  ^{updated  pop} - Cheap Yagi Antennas for VHF/UHF

Six Meters Beacons - 6 meters Beacons Worldwide including also Italian VHF beacons

Mt. Airy VHF Radio Club - "Better known as the ""Pack Rats"" W3CCX, Southampton PA"

PA5DD Uffe - VHF & microwave web site

WB2RXF David - VHF UHF, Satellite and weak signal resource

Antenna Products - Antennas cover the RF spectrum from kilohertz to gigahertz and support countless mission critical military, air-sea navigation, ILS and voice-data communications applications.

ScanStar - Radio spectrum monitoring and analysis tools for industry and government

Intek - CB radios, VHF transceivers, scanners antennas and accessories

Ten Tec  ^pop - HF, VHF, transeivers kit's, amplifiers and more.

US Spectrum Requirements - Amateur and amateur-satellite services, current uses of the amateur service

EME resources by DL4EBY - Several kinds of operational data needed for Amateur Radio moonbounce (EME, earth moon earth) communications, the technical challenge amongst the various propagation modes on VHF, UHF and microwaves

Sporadic-E - Short notes about sporadic E influence on VHF propagation

North Ireland scanner info - Frequency spectrum, civilian and military frequencies

All Spectrum Electronics - Hobby kits and electronics, semiconductors, components, batteries, ham radio gear and more

Scaning The Utilities - Hf, vhf, and uhf utility listening, police frequencies, shuttle, aero, usaf callsigns and many other services

BeaconSee - BeaconSee shows you, in real time, worldwide HF band openings on your PC. Analyses the audio signals from your radio, which is tuned to the NCDXF IARU HF beacon network and shows you the signal strength received from each of the 18 beacon transmitters as a plot of frequency spectrum against time.

Voice Descramble - This program descrambles band inverted encrypted transmissions, usually found on VHF/UHF. It uses a NCO (numerical controlled oscillator) to re-produce the originally inverted audio band.

Journal - FREE amateur radio logbook for Windows, Year 2000 compliant, Real-time or post-event data-entry, Produces QSL cards and address labels, Produces RSGB VHF-UHF-SHF Competition Log Sheet and more, by G7LFC

VHF Logging program - This program checks for duplicates (including partials), lists multiplier grids by band, lists all contacts, writes the Cabrillo file format for log submission, and provides many current statistics by N3FJP

Embaycom 2.1 - Baycom modem emulator, EMBAYCOM.ZIP for HF 300 baud Packet EM1200M2.COM - for 1200 VHF Packet Tested with BAYCOM-soft v1.5 and 1.6

K9SE E-Layer Propagation Assessment - SE-PROP, Field-Aligned Scatter Assessment, Sporadic-E Propagation Assessment for the VHF Operator

SkySweeper - Provides most advanced digital signal processing (DSP) functions to be used together with your HF receiver. All signal processing is done in your PC and no extra hardware is needed. HF/VHF rx & tx and analysis software introducing free advanced SkyBoost and MFSK16 modes!

Zelscope  ^pop - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.

Spectra - Accurate spectrum analyzer in the range 0 - 2500 Hz, makes an accurate FFT analysis of an audio signal coming from the soundcard