Item Description
Original Item: Only One Available. This is about as complete a TBY-4 Radio Code Talker set as they come all parts offered in very good condition, though we have not tested it and cannot guarantee functionality. Included in this set are the following components:
- Transmitter, Receiver CRI 43044 Serial #1676
- Vibrator Power DC unit CLG-20144 Serial #6769, Dated January 29th, 1944
- Headset
- Antenna
- Waxed Canvas Back Pack Transport Cover
- Various spare parts and cord.
The TBY as used by the USMC and Navy during WWII. When carried in its canvas backpack it was slightly splash proof but still not up to the task of amphibious landings unless the individual operators provided additional waterproofing. This era was before MFP – Moisture Fungus Proofing – so we would imagine their life expectancy in a humid Pacific island jungle would be rather short before rain, humidity, fungus, rust, sand and salt water corrosion destroyed them, meaning a pristine example such as this unit is exceptionally rare.
It is known that they were used aboard PT boats as a backup to the TCS sets. After action reports from PT Boat squadrons in the South Pacific / Rendova AOR indicate that TCS comms between the boats and from the boats to base were generally “satisfactory”. Enemy jamming was noted and was effective at times on 3785 kc, one of the operational frequencies in use. When HF radio problems occurred, the reports noted that TBY’s were used to good effect between boats. However weak batteries, beyond their “use by” dates, were a constant problem.
Operating over a frequency range of 28 – 80 MC with about a half-watt output, it provided short range CW and AM voice signals. Between assault troops on the beach and a supporting destroyer the transmit range would be a few thousand yards. In the jungle, not much. The frequency stability was rather poor but the regenerative receiver was relatively wide so they apparently worked reasonably well together – with significant operator training and experience. Using what is essentially a modulated oscillator in the transmitter, they also produced significant frequency modulation as well. Just be sure you don’t have to change frequencies often – in the dark – in combat – in the rain – in the jungle.
There is a fair amount of information on the internet about these radios in technical detail plus a few photos of them in use by the Marines and Navy. Primarily, they were used by the Marines at Guadalcanal, Bouganville, Tarawa, Iwo Jima and other places; and notably by the Navajo Code Talkers who were organic with the Marine Divisions in those amphibious operations.
- Transmitter, Receiver CRI 43044 Serial #1676
- Vibrator Power DC unit CLG-20144 Serial #6769, Dated January 29th, 1944
- Headset
- Antenna
- Waxed Canvas Back Pack Transport Cover
- Various spare parts and cord.
The TBY as used by the USMC and Navy during WWII. When carried in its canvas backpack it was slightly splash proof but still not up to the task of amphibious landings unless the individual operators provided additional waterproofing. This era was before MFP – Moisture Fungus Proofing – so we would imagine their life expectancy in a humid Pacific island jungle would be rather short before rain, humidity, fungus, rust, sand and salt water corrosion destroyed them, meaning a pristine example such as this unit is exceptionally rare.
It is known that they were used aboard PT boats as a backup to the TCS sets. After action reports from PT Boat squadrons in the South Pacific / Rendova AOR indicate that TCS comms between the boats and from the boats to base were generally “satisfactory”. Enemy jamming was noted and was effective at times on 3785 kc, one of the operational frequencies in use. When HF radio problems occurred, the reports noted that TBY’s were used to good effect between boats. However weak batteries, beyond their “use by” dates, were a constant problem.
Operating over a frequency range of 28 – 80 MC with about a half-watt output, it provided short range CW and AM voice signals. Between assault troops on the beach and a supporting destroyer the transmit range would be a few thousand yards. In the jungle, not much. The frequency stability was rather poor but the regenerative receiver was relatively wide so they apparently worked reasonably well together – with significant operator training and experience. Using what is essentially a modulated oscillator in the transmitter, they also produced significant frequency modulation as well. Just be sure you don’t have to change frequencies often – in the dark – in combat – in the rain – in the jungle.
There is a fair amount of information on the internet about these radios in technical detail plus a few photos of them in use by the Marines and Navy. Primarily, they were used by the Marines at Guadalcanal, Bouganville, Tarawa, Iwo Jima and other places; and notably by the Navajo Code Talkers who were organic with the Marine Divisions in those amphibious operations.
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