dc wattmeter

Quad Antenna Calculator  ^updated - An online quad antenna calculator for a 2 3 4 elements quad

GB2RS podcast - RSGB Podcast

Handiham Podcast - Ham radio for people with disabilities. A weekly podcast from the Courage Handiham System

Texas Waco Area Live Police scanner - Mclennan County Sheriff and Fire, Waco and Area Police and Fire, listen to live police audio feed

Oklahoma Police Scanner  ^new - Listen to Oklahoma city police scanner, oklahoma, moore ok county.

Mobile One Antennas - Australian antenna manufacturer, Mobile 1 CB Radio Antennas, Mobile Phone Antennas 3G, NextG, EDGE Digital Radio & TV Antennas Broadcast Band Antennas Airband Antennas Amateur Band Antennas Scanner Antennas Commercial Antennas

Low-frequency radio time signals - Several national physics laboratories operate radio transmitters that broadcast a time code signal.

Longwave DXing - Longwave refers to all frequencies below the lower end of the AM broadcasting band at 540 kHz

136 kHz direct conversion receiver - IK2PII describe here a simple direct conversion receiver, thinked for QRSS and DFCW communications, as companion of ARGO or SPECTRAN programs.

High Speed Telegraphy Club - High Speed Telegraphy enthusiasts club established in 1952

A PC as VLF receiver - Using a PC with soundcard as a VLF receiver, how to use your PC as a receiver for narrow-band signals in the VLF radio spectrum by DL4YHF

ChuckMartin - RF Supply - RF Wattmeters - RF Power Measurement - Bird Wattmeters Telewave - Coaxial Dynamics Wattmeters - Daiwa Wattmeters

Single-layer Coil Inductance and Q Calculator - This calculator ask as input diameter, lenght turn and frequencu and will return L and Q

Build a simple RF sampler - Homemade simple RF sampler for the Bird Model 43 Thruline Wattmeter By W3KKC

Inside Those Bird Slugs - Notes on Birds wattmeter slugs

Elecraft W2 Watt Meter Build - N1IC - Elecraft W2 Wattmeter Build (part of Elecraft K3 Build)

40 CW QRP Transmitter  ^new - Here is a easy to build and cheap CW transmitter using 40 m cristals. Power output is approximately 6 Watts for a supply voltage of 13.8 VDC

Sound Card Interface with Tone Keyer - An improved version of the audio interface commonly used to connect a computer soundcard to a transceiver\'s receive and transmit audio circuits