frequency meter

PV6 Yagi antenna - 6 elements yagi beam for 15 meters band, by T73M

Coaxial-Cable Trap Dipole  ^{updated  pop} - An Attic Coaxial-Cable trap dipole for 10, 15, 20, 30, 40, and 80 meters

Rotatable Dipoles  ^pop - Portable, and shortened with loading coils rotatable dipoles for 6 meters, 20 meters and multibands.

2 meter Quagi 97  ^pop - Dimensions and plan to build a W5UN EME quagi antenna

A 146 Mhz J-Pole Antenna  ^pop - A 2 meter (146 Mhz) J-Pole antenna that is inexpensive, and easy to build.

Delta-Loop for 40 Meters - Two-element Parasitic Delta-Loop Array for 40 Meters by WB3HUZ

160 meter sloper antenna - The 160-meter sloper system at K3LR

2LD751 Andy Priority listing - Webpage of Andy, 2LD751. Includes links to some good 11 meter related stuff. Updated often.

AI4UK Ham Radio & Frequency Web Site - All about amateur radio, police scanner frequencies. Frequency Listings for Kentucky, West Virginia, Virginia and others. Add your URL to the Scanner Link Page.

WD8KAF Live Repeater Stream - This repeater is broadcast from Coldwater, MI on a frequency of 147.300 MHz. Owned and maintained by the Branch County Amateur Radio Clu

K-Com - comprehensive line of products for rejection of Radio Frequency Interference (RFI) to telephone equipment.

MaCo Antennas - Maco Manufacturing, HF Antennas, gamma matches, cable assemblies, power supply, swr meters, watt meters

I.C. Engineering - Electromagnetic field strength meter

Autek Research - Autek Research make three models of RF Analysts, power and swr meters

Diamond Antenna  ^pop - Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches

900MHz telephone frequencies - Frequency table for 900Mhz phones

ACA frequency database - Australian frequency database

HF RTTY Stations - ik8enh list of HF stations transmitting in RTTY with Baudot/Schift, frequency and call

Scannerstuff - Southwest Frequency Directory

Australian Radio Frequency Allocations  ^pop - Large aurtralian radio frequency charts collection

Dublin Frequencies  ^updated - Army, navy, police, ham frequency in Ireland and N. Ireland

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

PLL2 - 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters

Frequency and VFO - How to keep from being out of band

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas