audio oscillator kit

Otto Engineering - OTTO Communications designs and manufactures audio accessories for two-way radios used in public safety, police, fire, retail, hospitality manufacturing and other markets.

Gold Line - Manufacturer of professional audio test and analysis equipment and of cb, marine and amateur radio accessory equipment.

EZMaster by HamRadioSolutions - EZMASTER the all mode all in one interface. USB/Parallel/Serial Device. Include 75 sec Digital Voice Keyer, K1EL Winkey CW Keyer, SO2R switching, two radio interface, two RTTY audio insulated ports, two flexible Antenna Switch control. Ideal for Contesting, SO1R, SO2R, field day and daily activity. Compatibile with all software on the market : CT, CTWIN, TR, NA, WriteLog, N1MM, WinTest, MMTTY, MIXW and more .

K2RF Communications Products - K2RF is a manufacturer of radio frequency, audio, and video processing products including repeater link controllers, speech limiters, and RF equipment for the commercial, HAM, and amateur radio consumer.

Idiom Press - CW keyers, Logikey, and antenna rotator controll like rotor-ez, and active audio low pass filters.

CW Command Post - Replace four separate accessories keyer, keyermemory, audio filter, and audio amplifier-- with one box containing allfour and providing for multiple inputs and outputs. N1FN CW CommandPost A not very original CW operating accessory "put together" by N1FN

Heathkit Electronics Home Page - Heathkit Amateur Radio Repair, parts, and manuals. Amateur radio equipment sales and service.

Manual.RRW - Heathkit Manuals

Heathkit Original Manuals - Heathkit Heath Original Manuals including Ham Parts, Catalogs, Magazines, and other Brands of Ham Amateur Radio Items, including CQ QST GE RCA ER 73

Ham Radio Manuals by WB2JKJ - Ham Radio Manuals by WB2JKJ - Icom Yaesu Kenwood Heathkit Drake and more!

Eufaula police scanner - Live Streaming Scanner Feed for Eufaula, Alabama's Police & Fire Depts. and the Barbour Co. Sheriff Dept.

Batteries and gadgets - Your source for weather radios, communication headsets, 14 channel radios, M&M groovy radios, smithsonian crystal radio and weather station kits, line restrictors, antennas,ham radio accessories, and battery products.

SpeakerRepair.com - Speaker repair, reconing, re-edging, speaker parts, DIY re-edge kits.

RTO Electronics - Heathkit Amateur Radio Repair, parts, and manuals. Amateur radio equipment sales and service.

Tecra Tools - Tool Kits, Tool Cases, Datacom Tools, Telecom Tools

Techni-Tool! - Techni-Tool is a distributor of electronic production tools, oscilloscopes, multimeters, power supplies, cases, tool kits, cutters, wrenches, crimpers, solder desolder stations, BGA, microscopes, lamps, static control, workstations, chairs, torque screwdrivers, tweezers, dusters, chemicals.

Jensen Tools - Tool Kits, Test Equipment and more On-line Catalog

Radio Korea - RKI (Radio Korea International), an international broadcast service. Information and connection to live Real Audio broadcasts. RKi brings 10 languages news and Korean songs

Radio Canada International - The radio voice of Canada broadcasts daily programs in French, English, Spanish, Arabic, Chinese, Russian and Ukrainian, on shortwaves, satellite and via RealAudio.

Islamic Republic of Iran Broadcasting - Broadcasts national and international programs locally and to all world regions in over 30 languages on mediumwave FM, TV, RealAudio/TV and on shortwave.

IPAR International Public Access Radio - International Public Access Radio via IRRS Shortwave and Internet Radio NEXUS via MP3 streaming audio

Deutsche Welle - Germany's International Broadcasting Station with links to numerous pages in multiple languages containing program schedules, and live audio feeds.

Radio Australia ABC - Online in RealAudio and Windows Media formats, with multiple language shortwave schedules, and instructions for receiving Australian satellite radio and TV (AusTV).

Mizuho products - Mizuho Tsushin Co. was a small Japanese manufacturer of QRP radios and kits, shortwave receiver accessories, and AM broadcast band receiver kits and antennas

Rig to Soundcard Interface by M0UKD - Practival project that contains two isolation transformers, one for AF from the tranciever to the line in on a soundcard, and one from the audio out of the soundcard back to the mic / data input of the radio. Both of which are variable inside the interface via two preset resistors.