Part 21-50-339
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Description
The 21-50-339 is an externally mounted airborne VHF/UHF/ELT (Emergency Locator Transmitter) antenna operating over the maritime and aviation distress frequencies. The radiating element comprises a hard drawn alloy tube inserted into a molded base which contains foamed-in place matching circuits capable of handling up to 25 Watts power. The method of construction provides protection from environmental conditions including vibration, shock and temperature variations.
