uhf filter

VHF J Pole for 146 Mhz - KF4SCI project for a VHF UHF jpole, working on 220 and 440 Mhz

Emergency J-Pole VHF/UHF Flexible Antenna - This is a flexible antenna that is easy to build, inexpensive and very handy to have in your emergency communications kit.

The DBJ-1 VHF-UHF Dual Band J-Pole - Searching for an inexpensive, high performance dual band base antenna for VHF and UHF ? Build a simple antenna that uses a single feed line for less than $10.

WA6GG Repeater - San Francisco - WA6GG is an Amateur Radio UHF repeater located on Twin Peaks in San Francisco, California

Loma Pioneer Repeater Club - LPRC - The loma pioneer repeater club - lprc provides 2 meter vhf and 440 uhf amateur radio and emergency communication for the san francisco and monterey bay areas from a repeater on mt loma prieta. aprs digipeater available.

W4MLB Platinum Coast Amateur Radio Society - Platinum coast amateur radio society (pcars) w4mlb - melbourne florida, pcars provides hf, vhf, and uhf communications for any police fire and rescue emergency

TCRC -- Twin Cities Repeater Club - The Twin Cities Repeater Club (TCRC) is a charitable public service organization, incorporated as a non-profit Minnesota corporation, that owns four VHF and UHF repeaters in the Minneapolis/Saint Paul metropolitan area.

KB2UXM Suffol county ARC - Suffolk county VHF/UHF Association arrl affiliated since 1989

K5DX The Texas DX Society - The Texas DX Society, founded in 1970, is an organization of radio amateurs in Houston, Texas who have a primary interest in DX chasing and contest operating on HF, VHF, and UHF

Monaro NSW / Canberra Live scanner - VHF/UHF Scan from Monaro NSW and Canberra (ACT). Stream/Feed contains text-tags with frequency, which is displayed in your media-player as title/Meta-data. Recommended that you use Winamp.

Amateur Radio Techniques - RF Filters an adjustable j-pole antenna manufacturer based in greece

Comprod Communications - Maker of robust and strong commercial and amateur radio VHF UHF antennas

Micro908 Kit - A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP

Trilithic - Broadband instruments, R and microwave components and filters, field analyzers, spectrum analyzers

Getting started on RTTY - A complete guide from the station setup, rtty software customization, tips on tuning rtty signals and setting the proper audio level and filters by Andrew G8GNI M5AEX

N1EQ Mike Nadeau Repair Service - Specialize in servicing modern HF/VHF/UHF multimode transceivers and receivers Icom, Kenwood, Yaesu, and a few others

The RF Shop - Repair HF, VHF and UHF amateur equipment and provide complete repair service for All Audio and .PA Equipment.

Wadsworthsales - Manufacturer's representative of wireless communication radio equipment, 2-way radio sales, land mobile radio sales, repeaters, duplexers, antennas, pl tone, hf, vhf and uhf data modems and LAN ethernet radio modems for commercial and amateur radio users.

Diplexer design notes - Standard diplexer design is based on singly-terminated Butterworth filters.

The NVARC Ugly ¯ Filter Project - Project to build sets of band pass transmitting filters for reducing the interference between HF transceivers operated in close proximity

Narrow Band-Pass filter for HF - Band-pass filters can be critical components in competitive stations. This setup may help put your station on the map.

Clean Up Your Signals with Band-Pass Filters - These inexpensive, easily built filters can be the buffer you need between the signals you want to hear and send and those you don’t!

Clean Up Your Signals with Band-Pass Filters part 2 - Part 2—You’re now much closer to saying goodbye to your unwanted signal problems!

Band-Pass Filters for HF Transceivers - Do your multiple-transmitter field day or contest efforts suffer from intrastation interference ?

K2TR Coax Stub Filters - Multi transmitter filters