hf filter

G3SEK's Amateur Radio Technical Notebook - A lot of good informations concerning antennas, filters, moonbounce, and circuitry data.

AMRAD Active LF Antenna - The AMRAD Active LF Antenna. You can tune into LF activity with this easy-tobuild and erect active antenna. As a bonus, you get MF and HF coverage, too—not to mention world-class performance

902 MHz Quagi - 902 MHz Quagi Art W0BA

160/80m Coaxial Receiving Loop Antennas  ^pop - Receiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in diameter. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it's small size it is quite rotatable.

IARU R1 VHF Beacon List - This list of VHF/UHF beacons is compiled for IARU Region 1 by G0RDI, and it builds upon the valuable work contributed by G3UUT

OK1RR DX & Contesting Page - Almost a fresh QSL manager Database, Country Tables for YPLOG by VE6YP (updated monthly), Additional files for the TRLoog by N6TR. Technical topics for HF Contesting (mostly CW), software download (a huge collection)

Ant Panel Products - Planar UHF and Microwave Antennas for Hams and WLAN's

GAP Antennas - GAP produces HF vertical antennas

WIMO - All kinds of antennas, RF connectors, radio transceivers and accessories like power supplies, morse keys, lowpass filters and so on.

Force 12  ^pop - Force 12 HF and VHF antennas, aluminim towers and masts for ham radio now owned by TexasAntennas.com

Hoka Electronics - The WWW home page for information about our specialist range of HF and VHF radio digital signals' analysis and decoding equipment.

Timeware tech. - Amateur Radio Products, Noise Reduction Filters, Data Controllers, deviation meter, Software, DSP-RTTY

PacComm - TNC for HF and VHF, by PacComm Packet Radio Division of JanRix Inc.

INRAD International Radio - Supplier of custom designed, high performance quartz crystal filters for communications receivers and transceivers, for Yaesu Icom Kenwood and Collins radios

Heros Technology Ltd - HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter

Pryme - Full line of VHF/UHF handheld and and mobile transceivers and accessories

RMS international - RMS International, italian distributor of Alcava batteries and power supply, since 1975 manufacture power amplifiers, watt meters, antenna tuners, TVI filters and other accessories for hams and cb radio

AEA - AEA Technology Inc. is a pioneer and leading manufacturer of RF and cable test equipment for the wireless, Telco, CATV, NMR & MRI, RFID, telemetry, aviation, commercial, military, and two-way radio industries. Produces SWR Meters, Pre Amplifiers, filters, power meters and antenna testing products

Midland - Midland Consumer Radio, Inc. is one of the most experienced and respected names in radio equipment. Midland offers the broadest line of CB transceivers in the industry, Amateur radio transceivers, VHF marine transceivers, VHF power amplifiers, and RF equipment for the broadcast industry.

UBA HF QRP FoxHunt - Fox hunting competition organized by UBA

CQ VHF Magazine - CQ VHF - Ham Radio Above 50 MHz

HF Beacon tracker - This Windows program will identify the 18 worldwide NCDXF/IARU International Beacon Stations and display each, as they become active n just 3 minutes, you will know if a band is really open

DXtreme software - DXtreme Software produces powerful and easy-to-use logging applications for radio enthusiasts such as Amateur Radio operators, Shortwave DXers, Shortwave listeners, Broadcast band DXers, VLF DXers, VHF, UHF, and TV DXers

Kangaroo Tabor Software Priority listing - HF Communications Analysis and Prediction Tools for Amateur Radio and communications professionals. Featuring: WinCAP Wizard, Beacon-Time Wizard, GeoAlert-Extreme Wizard, ID Wizard, KTS Clock Screen Saver, NERDAlert 2000

HF Radio Modifications  ^pop - Lots of HF radio mods, including AOR, Kenwood, Yaesu, Icom, Uniden, Alinco, Sony