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- Technical Reference > AI Ham Radio
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- Radio Equipment
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Comprehensive site for crystal radios. Info on the third annual xtal set bcb dx listening contest. -
Technical details of the yaesu FT 9000 -
The Middle Tennessee Amateur Radio Society is composed of Hams in Middle Tennessee who are dedicated to promoting Amateur Radio, providing public service communications, and having FUN doing so. -
A freeware apple Macintosh-based program that helps amateur radio contesters by converting a log from a radio contest into the Cabrillo file format which may be submitted to the contest sponsor. -
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Listen online to NYPD Special Operations Division live radio audio feed. -
TinySDR for 80m band and ZetaSDR for 40m band -
These instructions use simple, generally familiar examples of equipment types and are designed to help you find the adjustment that suits you best. If you are looking on how to adjust a morse key, bencher key, paddle or straight morse key, here you will find all instructions. -
Radio communication equipment installation recommendations -
It is a application which can be used for troubleshooting CB radio faults, by giving a graphical display of the normal operating frequencies generated by various parts of the CB radios circuits, it can help you identify if a frequency is incorrect or even missing. Another good use for this software is simulating possible frequency expansions, as it allows you to choose any frequency that the PLL is capable of generating, so you can see what the radio will allow you to get ! -
RADIOING eEngineer RFI EMI information -
Basic information on the folded dipole antenna -
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Antique Radio Schematics and Service Manuals for Tube Radios -
Beautiful Colorado mountain cabin with ham radio access at the foot of Mt. Princeton -
An old post by John Doty about effects of noise in longwire antenna. -
A PC headset to Rig adapter. Include a circuit diagram and a full part list for the project -
How to build your own beverage antenna for 80-160 meters band by K5ZD -
About different baluns types. Samples and schematics for several ratios baluns in french -
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Ham radio site with Amateur Links is a collection of over 2800 Ham Radio sites services verified each week. Interesting content for beginners and seasoned ham operators alike. -
The KK7UQ computer to radio interface, sound card interfaces, IMD meters interface products -
This article describes a project of asymmetrical hatted vertical dipole, a portable antenna that can be used for field day operations, sota, campings or even for fixed installations. This is a freestanding 20-10m antenna that is really easy to build, easy to tune and relatively easy to carry. -
Radio Amateurs serving Prince William County Virginia -
The webpage provides information about the Citizen Band mailbox DBO274 in Germany, with HTTP/telnet-access. It covers topics related to CB Radio, Packet and Digital emissions, and eleven meters band. -
Information about pirate radios, what they are and why are considered pirates -
List of police, fire and emergency scanner codes listed in numerical order. -
Transistor and its history and lot of related infos -
An interesting article by K3DAV comparing the COMET CHA250B to other HF multiband vertical antennas -
summary or overview of UK or British amateur radio callsigns or call signs and the types of licence used in the UK by ham radio operators. -
Free memory management software for the Yaesu FT-991 and FT-991A models. It runs only on Windows 7, 8, 8.1, 10 both 32 and 64 bits, it also permits basic remote control features and allow backup and restore settings and memories. Documentation in mainly in French. -
Special exhibit dedicated to Marconi inventions now online -
Double Bazooka Antenna, a simple coax based and broad band antenna you can easily build -
FM dx logs, MW carrier offset monitoring, lists of RDS codes in use in the UK, London pirate bandscan and much more from a London QTH. -
St. Louis County Police Dispatch -
An emergency service provided to the city of Mountain View, California and the surrounding communities in time of need. -
Original drawing and design of a 4 and 7 elements yagi antenna for 50 Mhz -
The Clearwater Amateur Radio Society is an active amateur radio club based in Pinellas County Florida. -
The Sarasota Emergency Radio Club, is an Amateur (Ham) Radio club in Sarasota, Florida, dedicated to provide emergency and public service communications. -
MDS-HAM Amateur Radio Products help make operating easier with the Introduction of the RC-1-Y, and RC-1-M rotor control box. A digital rotor control box with a serial computer interface at an affordable price which is made in America. -
Ham homebrew, software, and ham info -
Audio and waterfall images of some sounds found on the RF spectrum -
A comprehensive resource center with DX aids, live propagation, callsign searches, news and bulletins, maps, and more by NW7US -
The sonoma county radio amateurs invite you to attend our next monthly meeting or check into the tuesday night scra net on the 146.985 repeater at 7 pm. -
by LA8OKA Martin Storli -
CB Radio and 10 meter Radio reviews & mods blog. Most articles are in Japanese -
This manual provides the technical necessary for servicing the VX-6R Yaesu Transceiver -
This 4m Slim Jim Antenna is cheap and easy to build yet it greatly out performs the more usual dipole due to its low angle of radiation. An SWR of 1:1 is obtainable across the 4m ham radio FM band with a simple adjustment. -
Specialize in reproducing antique radio knobs and parts from the 1920's - 1940 -
If you are a ham and live in a modern urban or suburban development, putting up a highly visible antenna may make it difficult to stay friends with your neighbours.