6m atu circuit

W5QJR Antenna Revisited - This antenna combines the features of a horizontal and a vertical antenna to provide constant signal level to all stations from near-in to more than 1,000 miles It is the optimum antenna for rag chewing and net operation on 40, 80 and 160 meters

Squalo 6M horizontal omni antenna - An almost Omni directional horizontal antenna for six meters by G8UBJ

A Hairpin match for 5 el. Tonna - How to improve the gain of your 5 element Tonna yagi for 50 MHz by roughly 3 db! by PA2HJS

6 Meter 5/8 Wave Vertical Antenna - The G3JVL 6 Meter ground plane vertical is a compact antenna that is ideal for portable operations. If needed, it can be disassembled into a very small bundle no longer than the longest element.

Getting the most from your tuner - Here is how to adjust this popular tuner circuit so it transfers maximum power to your antenna without going snap

Dave's Homemade Antenna Tuner  ^{updated  pop} - A multi-use Antenna Tuner

A remote antenna tuner - Interesting project to remotely control, using a servo control circuit, a common commercial antenna tuner by N30X

Oldradios.co.nz - A new zealand radio servicemans personal tribute to old 'boatanchor' valve communications receivers, dx listening posts of the 1950's, early radio literature, vacuum tube (valves) collection, early tube testers, unusual

Antique Radio Page - The antique radio page is the best place to start if you want to learn about antique radios. this award-winning site features a huge image gallery with hundreds of antique radios (tube, transistor, and crystal sets), useful articles, reviews of out-of-print radio reference books, and the amazing arp directory where you can search and find antique radios on the web!

Houston Vintage Radio Association - A non-profit organization seeking to preserve the history of the development of wireless communication by encouraging the acquisition, restoration, preservation and exhibition of antique wireless and radio apparatus

Southeastern Antique Radio Society - Features an immense gallery of color photos, facts, newsletters, articles and links for those interested in collecting or restoring antique radios

Bill's Antique Radios - A premier site for antique radio collectors featuring articles, and tips on restoration and troubleshooting

Fun With Tubes - A noncommercial site operated by Max Robinson and dedicated to passing on and preserving knowledge of vacuum tube circuits and techniques.

Antique Wireless And Scientific Instruments - An on-line museum featuring over 400 pictures of radios and related items from the 1920's

Werner's radio collection - Antique radio collector from Germany, featuring european bakelit radios

K2TQN's OldRadio Museum - The theme is "Ham Radio before 1950" Featuring an authentic Collins AM Ham Radio station.

Antique Radio Schematics and Capacitors for Tube Radios - Specializes in antique radio schematics and capacitors. carries antique radio schematic diagrams and electronic circuit service information for american, canadian and european antique radios.

Canadian Antique Radios Schematics Diagrams Service - We specialize in canadian antique radio schematics for vintage tube radios made in canada. we carry lots of factory electronic circuit schematic diagrams as well as all rcc / radio college of canada service data 1920's - 70's.

MA QSO Party - The contest takes place the first full weekend of May (from 1800Z on Saturday May 5 to 0400Z Sunday May 6, and from 1100Z to 2100Z Sunday May 6). A total of 20 hours contesting!

K5PLD Pearland Amateur Radio Club (PARC) - Pearland Amatuer Radio Club is affiliated with the American Radio Relay League (ARRL) and is registered with the Amateur Radio Emergency Service (ARES) located in Pearland near South Houston, Tx.

Find FM AM Radio Stations - Directory of US FM and AM stations featuring mapping.

E. H. Armstrong - Radio's premier inventor, Edwin H. Armstrong was responsible for the Regenerative Circuit (1912), the Superheterodyne Circuit (1918), the Superregenerative Circuit (1922) and the complete FM System (1933).

RadioDXCluster - MacOSX configurable terminal software used to control your TNC (Terminal Node Controller) to connect with your local AR-DX Cluster using your radio. This program combines features contained in MacTNC, a TNC control program, and NetDXCluster (formerly MacDXCluster), similar software that accesses DX Clusters via the Internet rather than a radio link.

EasyGram - This Windows MTHELL QRSS NDB and DFCW program extends possibilities of well-known Spectrogram with some new useful features. It enables to define the scrolling area to any size, it can save screen shots in defined time periods , it enables to browse the saved pictures easily by OK1FIG

External Keypad for FT-817 - An external keypad for FT-817(ND), for the serious portable/field-day contester/operator. Homebrew it with the free firmware and public circuit diagram. The circuit is very simple and takes power supply from the ACC port of the radio