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Altitude Encoders

ACK Technologies A-30.5 Altitude Encoder - Range -950 to 30,750 feet
SkyGeek Price: $215.85
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ACK Technologies A-30.9 Altitude Encoder - RS232 for GPS and TAWS systems.
SkyGeek Price: $229.24
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Ameri-King AK-350 Altitude Encoder, Range -1,000 to 30,000 feet
SkyGeek Price: $169.77
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Trans-Cal SSD120-30N Nanno Encoder: The Worlds Smallest, Lightest Altitude Encoder!
SkyGeek Price: $260.46
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Your altitude encoder - don't leave the ground without it! Altitude encoders convert serial data about altitude for a plane's aviation transponder. The resulting digitized pressure information (an aviation must-have) allows the transponder to determine your plane's external altitude for Mode C replies. With a range of -1,000 to 30,000 feet, you can't go wrong!

Here at, you'll find only the very best altitude encoders. The AmeriKING AK-350 provides digital altitude information to all mode C ATC transponders and uses breakthrough technology to accomplish the job. Also in stock are altitude encoders by ACK Technologies that use the latest solid state electronics for high reliability.

If you have any additional questions, we encourage you to check out our knowledgeable Help Center.

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