Sigma 1500 General Aviation Automatic Direction Finder Bearing Indicator

LAMDA 1500 General Aviation Electronics ADF Loop Antenna Assembly

Sigma 1500 General Aviation Automatic Direction Finder Bearing Indicator (Worn)

1500 General Aviation Electronics ADF Loop Antenna

Sigma-1500 General Aviation ADF Receiver Unit (Missing Volume Knob) (Worn Face)

General Aviation Aircraft DMMS & VREF Calculation Card, Airspeed Indicator Tape

Used Airplane ADF Indicator

Sigma-Tek Fuel Pressure Indicator Module P/N 169BH-910-6LBW