The T9K39 Main was developed by Telefunken for the needs of the German Navy. It was mainly used on submarines. It belonged to the same category as the E52, but was slightly older. It also used a coarse mechanical and a fine projection scale.
Range 1.5 to 25 MHz
A1, A3 operations
Sensitivity better than 1 microV
Power supply mains 120/220 V 50 Hz
Source: Die deutsche funknachrichtenanlagen bis 1945 Band 2
Range 1.5 to 25 MHz
A1, A3 operations
Sensitivity better than 1 microV
Power supply mains 120/220 V 50 Hz
Source: Die deutsche funknachrichtenanlagen bis 1945 Band 2