wide bay

A 6 element OWA Yagi for 28MHz Priority listing - This is a high-gain, wideband OWA Optimised Wideband Array Yagi which covers the 10m band with an SWR of less than1.1:1 from 28-28.900MHz.

7 elements OWA Yagi for 20 meters band - Optimised Wideband Array with low SWR across the whole of 20m with excellent gain and F/B. European and USA sizes

14 el 70 MHz Low Noise LFA Yagi - This is a true monster Yagi for the 4m band which has a 50Ohm feedpoint with wide band performance yet the gain and F/B of a low impedance Yagi.

Build an All-Band Wide-Band G5RV Antenna - How to Build an All-Band Wide-Band G5RV Amateur Radio Ham Radio Antenna: Work the World of DX Radio with Low Cost - Low Profile G5RV

About Log Periodic Antennas - Overview, summary, tutorial about the log periodic antenna or aerial used for wideband RF antenna applications

Five eighths wavelength vertical antenna - The basics of a five eigths wavelength vertical antenna, a form of RF antenna widely used for mobile radio communications applications

Quarter wave vertical antenna - About the basics of the quarter wave vertical and ground plane antennas that ares widely used for medium wave broadcasting, mobile radio communications applications and many more.

Beacon Reception at PA5MW - HF beacon monitoring. Check world-wide propagation, updated every 15 minutes.

IRC's Required to return a QSL to the USA - List of World Wide conversion rates for IRC to send a QSL to USA

International 70 MHz allocations - The Four Metres website offer a global overview graph of the four meter band plans world wide

AG6AU El Dorado County Amateur Radio Club - The premier amateur radio club in El Dorado County, California representing a wide cross section of Amateur Radio Operators.

K6LI North Bay Amateur Radio Association - North Bay Amateur Radio Association (NBARA), operates in Vallejo, California, at the northern tip of San Francisco Bay.

CARLA Repeater Network - C.A.R.L.A. is a growing network of repeaters providing coverage across Northern & Central California and Western Nevada. It is intended to be used as a reliable communications resource during significant local, regional and wide area incidents, and is open to all licensed amateur radio operators

WA7DG Wide Area Data Group, Inc - Serving Reno Sparks Tahoe Area, Nevada USA

Kingsport Amateur Radio Club - Kingsport Amateur Radio Club / Bays Mountain Radio Club , Serving Tri-Cities TN/VA Area, Useful Technical Links, Club Photos

K9EAM - Green Bay Mike & Key Club Wisconsin USA

Bay District Volunteer Fire Department live feed - Fire/EMS LIVE Scanner Feed St. Mary's County Maryland

NP Technologies Inc - Design, develop, test and manufacture a wide range of Amplifier products including highly linear class A Broad Band, Cell Band, Pulse, AM & FM broadcast and Military VHF

Spikes CB Radios - A full service sales & repair shop, sell a wide range of cb radios, scanners, antennas, mounts, echo, noise toys and a wide range of accessories. Atkinson, IL USA

Farnell Components - Electronics components, rf connectors worldwide dealer

409 Shop - 409 Shop is an Ham Radio and electronics online shop based on Hong Kong deliver worldwide. Ham Radio transceivers, batteries, swr meters, antennas and other ham radio accessories

Radio Seagull - Broadcasting from the ship the Jenni Baynton moored in Harlingen Harbour in the Netherlands, Radio Seagull can be heard on 1602 KHz AM

AktivFilter - Active filter design software for windows, AktivFilter 3 for the design of active filters tuned on the opamp type.

GU-43b Tetrode - The GU-43B tetrode is used for wideband power amplification at frequencies up to 100 MHz in RF equipment. This tube is generally considered analogous to the 4CX1000.

Baycom Modem - Baycom modem, The famous "PMP" (Poor man packet!)