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| According to the Sparker who drew this sketch, the TW-12 was fitted in RCN Corvettes. |
Frequency Range: 375 to 500 KHz; 1200 to 3000 KHz; 4000 to 8570 KHz.
Modes: CW/MCW
Power Output: Unknown
Frequency Control: Master Oscillator
Primary power: 36 VDC input to M-G (?) ; 12 VDC for filaments
Comment : This information on the TW-12 was provided from someone's training notes.
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| According to the Sparker who drew this sketch, the TW-12 was fitted in RCN Corvettes. |
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| 1. Master Oscillator and spot frequency stops. | 9. Filament rheostat |
| 2. M/F I/F switch | 10. Filament voltmeter |
| 3. CW /ICW switch | 11. Ammeter for tuning power amplifier |
| 4. I/F aerial taps | 12. Aerial ammeter |
| 5. I/F anode taps | 13. +13A H/F attachments |
| 6. I/F tuning condenser | 14. H/F tuning condenser |
| 7. M/F variometer | 15. H/F tuning inductance |
| 8. Key Jack | 16. Aerial coil taps. |
Jan 8/11