WWII APR-4 Radar Tuning Unit TN-17/APR-4

WWII APR-4 Radar Tuning Unit TN-17/APR-4

274–320 MC – CRO-125-DAY-45-RC

Original WWII-era U.S. military radar tuning unit for the APR-4 radar/intercept receiver system. Marked TN-17/APR-4 with frequency range 274–320 MC. Heavy-duty precision-built microwave/radio tuning assembly featuring original controls, autosweep/manual selector, shielded housing, and aircraft-style military construction.

The APR-4 system was used for airborne radar detection, monitoring, and electronic intelligence applications during the WWII period and early Cold War era.

Features:

• Original military data plate

• Autosweep/manual tuning controls

• Precision frequency dial

• Heavy shielded chassis construction

• Original military connectors and fittings

• WWII-era electronic warfare/radar equipment

An excellent collector piece for:

• WWII radar collections

• Electronic warfare equipment

• Airborne radio/radar systems

• Signal Corps & aviation electronics

• Museum and display collections

Condition: Untested, as found. Displays well with strong original finish and markings.