Direction Finding DF Indicator of R.1155 Nav-Com System PV-1 Ventura When you’re done with the

When you’re done with the top timer press the left button again

Typically mounted under the wing or fuselage of the aircraft

This is an original WWII-era training booklet published by the US Navy's Aviation Training Division in 1943

This is an authentic WWII-era GCT (Greenwich Civil Time) Master Navigational Watch AN-5740 Hamilton Part No 33106

Direction Finding DF Indicator of R.1155 Nav-Com System PV-1 Ventura When you’re done with theHere is a WWII era Direction Finding (DF) Indicator as used in aircraft of the British Royal Air Force, such as bombers Avro Lancaster, Handley Page Halifax, and Vickers Wellington, and patrol bomber Short Sunderland. The DF Indicator received its signal from the R. 1155 receiver in the radio (wireless) comparment. By seeking a signal from a ground transmitter, the indicator displayed the direction of the transmitter in relation to the aircraft by