TU - Tuning Unit

• TU-1
• TU-2
• TU-3, Transmitter Tuning Unit Frequency Range
• TU-4, Transmitter Tuning Unit Frequency Range
• TU-5, Transmitter Tuning Unit Frequency Range 1500 to 3000 KC, BC-375
• TU-6, Transmitter Tuning Unit Frequency Range 3000 to 4500 KC, BC-375
• TU-7, Transmitter Tuning Unit Frequency Range 4500 to 6200 KC, BC-375
• TU-8, Transmitter Tuning Unit Frequency Range 6200 to 7700 KC, BC-375
• TU-9, Transmitter Tuning Unit Frequency Range 7700 to 10000 KC, BC-375
• TU-10, Transmitter Tuning Unit Frequency Range 10000 to 12500 KC, BC-375
• TU-11
• TU-12
• TU-13
• TU-14
• TU-15
• TU-16
• TU-17, Transmitter Tuning Unit Frequency Range 2000-3000 kHz, BC-223
• TU-18, Transmitter Tuning Unit Frequency Range 3000-4500 kHz, BC-223
• TU-19
• TU-20
• TU-21
• TU-22
• TU-23
• TU-24
• TU-25, Transmitter Tuning Unit Frequency Range 3500-5200 kHz, BC-223
• TU-26, Transmitter Tuning Unit Frequency Range 200 to 500 KC, BC-375
• TU-27
• TU-28
• TU-29
• TU-30