high swr

Multi Turn Magnetic Loop for 40/60/80 - The 40/60/80 is a portable loop that covers 80 meters with a high degree of compromise

NCDXF/IARU International Beacon Network - The NCDXF, in cooperation with the IARU, constructed and operates a worldwide network of high-frequency radio beacons.

10-10 FTP archive - Ham radio related anonymous ftp site by 10-10

QRP-L Mailing List - Low Power Amateur Radio Discussion

Workman Electronics - Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,

Radioworks - Source for high performance wire antennas, Current-type Baluns, Line Isolators, quality wire antenna parts and accessories.

Comet Antennas  ^pop - Distributor for COMET and MALDOL brand antenna products designed, manufactured in Japan. Distributor of DAIWA brand RF SWR/power meters and switching power supplies.

Signal Engineering - Signal Engineering technologically advanced antennas with modern design and construction technique. Up to date information about current line of high performance 10 and 11 meters antennas.

Sirio Antenne - Antenna for GSM, CB, marine, VHF/UHF, HAM and high frequency 1,9/2,4GHz

Dunestar Systems - Manufacturer of single band and multiband transceiver bandpass filters for HF. High pass filters, two radoi headphones mix and switch, 6 meter portable antenna, antenna remote switching and steering.

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

NHRC Repeater Controllers - NHRC Repeater Controllers is your provider of low-cost, high-value repeater controllers.

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

Radio & Communications  ^pop - Info about many aspects of Radio & Communications. Antennas, signals, frequencies, codes, swr, scanning etc.

Olivia Modes - Olivia is a family of MFSK modes with a high redundancy Forward Error Correction system similar to MT63. General description and protocol information by w1hkj

Near-Realtime MUF indicator  ^pop - This is a highly informative map that can be used by amateur and professional radio communicators to determine maximum usable frequencies for any world-wide path at the indicated UTC (Zulu) time.

Introduction to HF propagation - An Introduction to High Frequency Radio Propagation by IPS Radio & Space Service

High Frequency Propagation Models - Institute for Telecommunication Sciences High Frequency Propagation Models

High Sierra Antennas - HF and VHF antennas for cars, trucks, homes, trailers and recreational vehicles

NA7EM QSL Card design - Offer custom design and printing of extremely high quality, very affordable, QSL Cards.

DIGTRX - High definition SSTV software for windows 2000, xp by PY4ZBZ

Logger 32  ^pop - 32-bit Amateur Radio logging program written by Bob Furzer, K4CY the author of Zakanaka. Logger32 runs under Windows 95/98, Windows 2000, Windows ME, Windows NT and Windows XP Logger32 has been developed to be a highly user configurable general purpose Amateur Radio logbook with computer control support for many radios and antenna rotators.

BTL Blaster TeLetype - High performance RTTY reception and transmission software, need a Sound Blaster compatible sound card.

SWR Mega - SWR Power Meter - SWR and RF power meter for home usage, 8 different RF probes with different characteristics and power ranges by OK1DX

G3TXQ SWR meters - Homebrewed SWR meters projects by G3TXQ