dc wattmeter

DCTL Portable Antenna - A Low -Power, Distributed Capacitance Twisted Loop , indoor portable HF antenna by Monty Northrup, N5ESE

Circularly-Polarized FM Broadcast Antenna - A Circularly-Polarized Commercial-Style FM Broadcast Antenna

WAEDC-Contest - WAEDC contest page

DARC IARU-Region-1-Fieldday

WAE-DX-Contest - The Deutscher Amateur Radio Club (DARC) invites radio amateurs world wide to participate in the annual WAE-DX-Contest. CW SSB and RTTY Contests

Italian Castles Award DCI - With the purpose to let people know about the Castles built on the italian territory and the value which the historical architectural estates hold. Diploma Castelli Italiani by IQ1BP.

R.A.I.N. Report newscast - A weekly report with interviews about amateur / ham radio and people in the hobby. broadcast in realmedia and windowsmedia streaming Rain Report about Amateur Ham Radio with Hap Holly, KC9RP

Saskatoon Scanner - Live Saskatoon police and fire dep. scanner

Boston-Area University Police Radio - Police and Security Broadcasts at Harvard University, Boston-Area University Police Radio. Cambridge; Boston.

Penta Laboratories - Penta Laboratories is a Manufacturer and Distributor of vacuum tubes, capacitors and electron tubes for Broadcast, Industrial, Marine and Avionics applications worldwide.

RFSM-2400 Digital Mode - A recent digital radio protocol. Based on a freeware soundcard-based Radio Frequency Software Modem. Work under standart MIL-STD-188-110A. Maximum speed 2400 bit/second. Signal bandwidth: 0,3-3,3 kHz (standard mode) and 0,3-2,7 kHz (non-standard mode).

APRSTV.com - A video podcast about aprs, the automatic position reporting system, used by amateur radio operators.

Sound Card Packet - This amateur radio web site explains how to use the AGWPE utility program to send and receive packet (a digital data mode) using the sound card of your PC instead of a traditional TNC (Terminal Node Controller), a radio modem.

Geophysical Alert Message wwv.txt - Broadcast via WWV and WWVH at 18 and 45 minutes past the hour. This message is updated every 3 hours. Reports current Solar-terrestrial indinces, Solar Flux, A-index, K-Index, forecast for space weather storms. Prepared by the US Dept. of Commerce, NOAA, Space Environment Center

FT-897D Modification sheet - Lot's of FT 897 modifications in a single PDF file

LW Navtex Broadcasts - Navtex Maritime Safety Information Broadcast Channels

DC Ace Electronics, Inc. - Amateur Radios and Accessories online shop IL USA

WBCQ The Planet - This summer, WBCQ is running The Voice of the M/S Katie, live radio broadcasts originating from our radio ship the M/S Katie in Boston, Massachusetts. WBCQ broadcasts 50,000 watts on each of its four international shortwave transmitters on 5.110, 7.415, 9.330 and 18.910 MHz

QSL Card Imaging - A database which allows the user to store and catalog QSL cards

11 KW Linear amplifier by I0JX  ^pop - Use 4CX10000D / 8171, RF output power of 11 KW in key-down carrier on all bands. Power was measured with a Bird 4712 wattmeter and a 25 KW slug

Vacuum Tube Amps - How the tube converts DC to RF Power

Soundcard Audio Tools and Toys - Soundcard audio tools and toys, experimental ideas and utilities. Signal Generator, Frequency-counter / instrument-tuner, Real-time Spectrum Analyser

SoundCard Packet TNC PC to Radio Interface - Computer sound card packet tnc to radio interface. david stansbury kb3kai home-brew version of this soundcard to rig adapter

Interfacing to PC soundcards - General electronic topics on interfacing to PC soundcards by epanorama.net

A Cable Construction Trick - If you have several TNC and radios this trick can be usefull for you