Does this encoder have to be hooked to a static line?
Yes it does to obtain altitude information.
What is the amperage draw for the blind encoder?
Per the Manufacturer, it draws 20 milliamps.
Which one of the altitude encoder (blind encoders) will work with the Garmin GTX 330?
For the Garmin GTX 330, the ACK A-30.5 ALTITUDE ENCODER PN: 11-01561 is a popular choice.
Is the Ameri-King Altitude Encoder 30K compatible with King KT-76A transponder?
Per the install manual, the KT-76A is a supported transponder.
Is the Ameri-King 30K encoder compatible with the Becker ATC4401-1-250 transponder?
Per the install manual, the Becker ATC4401-1 series is supported.
Is the Ameri-King 30K compatiable with the Garmin GTX 327 transponder?
Yes, the AK-350 30K is compatible with the Garmin GTX 327.