SK = Sender Kurzwelle (Transmitter Shortwave)

 

     

Rear Side

Front Side

 

    Fl. - Aircraft Radio Equipment Set
    Fu G 10 K 3 / S 10 K 3
Range   3 - 6 MHz
    Two - Stage Transmitter
    1 Self - Excited Master - Oscillator with capacitive Voltage Divider
    1 neutralized HF - Amplifier Stage,  coupled capacitive
    with two parallel connected Tubes 
Power in Aerial   at Mode of Operation A 1 (telegraphy) about 70 W
    at Mode of Operation A 3 (telephony) about 40 W
     
Stability of Frequency   Frequency Drift from Calibration at + 15°C 
    maximum ± 0,5/1000 at Temperature Change of ± 50°C and
    Voltage Variation of 24 V Power Source between 22 and 29 V
Tubes   3 x RL 12 P 35
Power Source   Filement from 24 V Aircraft Battery
    Anode- and Auxiliary Voltages from Transmitter - Rotary Converter U 10/S
Filament   28 V / 1,3 A
Anode Voltage   800 V / 0,2 A
Screen Grig   210 V / 0,06 A
Grid below cut - off   -280 V / 0,07 A