dc converter

Multiband wire antennas and ATUs  ^pop - DC1YB experience on multiband wire antennas. In particular examine FD4 windom and G5RV antenna, considering noise levels and matching aspects. Author reviews also the usage of Automatic antenna tuners in TS-50 TS-480 and GC-3000

A Cost Effective Current-mode 1:1 Balun - A cost effective current-mode 1:1 balun can be constructed from a length of coax and a rod typically used for a broadcast antenna loop-stick, some electrical tape, cable ties, a length of PVC water-pipe and some connectors.

Small Tuned Loop AM Broadcast Antenna - Alan yates vk2zay's ham radio website, homebrew construction, general electronics, high voltage experiments, amateur rocketry, and general geek stuff

DCTL Antennas and other compact antennas - The Distributed Capacitance Twisted Loop is an inexpensive, effective, resonant alternative that can fit in a 8' tall by 12' or so wide space, like a wall, or balcony, even on 80 meters. 160 meters from an apartment, a full wave look and a cage dipole

S-MATCH Universal ATU  ^updated - PA0FRI's "S-MATCH ATU" published in RSGB's RadCom March 2003). The Balanced Universal ATU Photographs of ZL2ML's S-Match were added.

Getting started in contest - A PowerPoint presentation by Bruce Draper, AA5B on how to get started in contesting

Los Angeles County Disaster Communications Service - Here you will be able to access all of the information regarding our amateur radio disaster relief communications organization, its divisions and volunteer members

DL5DCN - German amateur radio bloh

W1PBR Pen Bay Amateur Radio Club - Website about Midcoast Maine's Pen Bay Amateur Radio Club, W1PBR.

W0DCW The St. Louis and Suburban Radio Club, Inc.

W2ABC Bears NYC - The online home of the Broadcast Employees Amateur Radio Society (BEARS), Inc.

W5NGU Denton County Amateur Radio Association - The Denton County Amateur Radio Association is located in Denton, Texas

Ham Radio Video and Sound clips - KB7TBT amateur radio video clips and sound clips collections

DXTools - A small company that specializes in antennas and accessories for radio hobbyists who enjoy DXing the AM broadcast and LW bands

Jackson Harbor Press Kits - Ham Radio Kits, morse keyers, Morse code voltmeter / DC switch / battery saver

PSK31 Interfacing - PSK31 basics and radio to pc soundcard interface circuits, radio to soundcard, soundcard to radio and pc serial port to radio

Graham's scanner frequencies - Grahams Goldcoast Australia Radio Scanner Frequencies

The Tube Center - Supplying over 2000 different vacuum tube types, valves, grid caps, sockets and capacitors. It is easy for Antique collectors, Ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors

Shortwave Central - Here you will find broadcast, pirate, and clandestine information including loggings, QSLs tips, and last-minute news.

AutoRec - AutoRec is windows freeware time based automatic recorder - player for radio broadcast. Auto Recorder will record or play wav audio files, and execute batch or other executable application programs at scheduled times. The primary use for Auto Recorder is automatic, unattended recording and playback of network or other satellite-delivered radio station program material.

HamInfoBar - Ham Radio & SWL Toolbar Priority listing - Free toolbar for radio hams & SWLs: Search QRZ.com, HamCall, FindU.com, Google, Wikipedia, eBay and other useful engines. Check the latest DX spots. Get links to QSL, satellite, forums, propagation, broadcast radio, maps etc. RSS feeds including Amsat & the latest eBay ham specials. Listen to ARRL, RSGB and WIA news & other radio stations. Plus lots of other features!

TWPSK - A linux soundcard based PSK program by DL9RDZ and WA0EIR

TWCW - This linux program will send Morse Code via soundcard or serial port by WA0EIR

Toaster transceiver - A 2W 80 meters transceiver assembled into a toaster case.

PSK31 Interface - Fairly simple way to interface a computer soundcard to an HF rig to operate PSK31. This interface also works for SSTV & RTTY, and has been tested with a Kenwood TS-140.