May 20, 2007 ... Welcome to the R-390A Frequently Asked Questions (FAQ) Page. The R-390A/URR radio receiver is arguably the best performing high-frequency

Historical, Technical and Operational information repository for the Collins designed, R390A/URR General Coverage HF Radio Receiver.

Your source for Repair Manuals, Training Courses, Army Training, and all other training material.

is a community site designed and operated by and run for active Amateur Radio operators (hams).

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Buys, sells, and restores antique radios and communication equipment, and sells publications on CD-ROM. Online radio museum (with a special Zenith

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Devoted to vintage radio / communications equipment.Collins, Drake, Hammarlund, Hallicrafters, National, Racal, Heathkit, RCA, TV-7.
This site reaches approximately 7,138 U.S. monthly people. The site attracts a more educated, 50+, predominantly male crowd.