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Original U.S. Vietnam War RT-196/PRC-6 Radio Receiver Transmitter Walkie Talkie by Raytheon has a rating of 5.0 stars based on 1 reviews.
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Item:
ON6154

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Original U.S. Vietnam War RT-196/PRC-6 Radio Receiver Transmitter Walkie Talkie by Raytheon

Regular price $350.00

Item Description

Original Item: Only One available. This is a nice original Vietnam War Era U.S. Signal Corps RT-196/PRC-6 Radio Receiver Transmitter Walkie Talkie. This equipment has not been tested by IMA but we were told it is functional. However, we will not guarantee functionality.

The AN/PRC-6 is a walkie-talkie used by the U.S. military in the late Korean War era through the Vietnam War. The US Marine Corps made limited use of the AN/PRC-6 as late as 1972. Raytheon developed the RT-196/PRC-6 following World War II as a replacement for the SCR-536 "handy-talkie". The AN/PRC-6 operates using wide-band FM on a single crystal controlled frequency in the 47 to 55.4 MHz low band VHF band. Rated power output is about 250 mW. The range is about one mile (1.5 km), but much less in jungle.

This example appears complete, though it definitely does show some service wear. The paint has worn off in places, so that the alloy body material can be seen. The spring steel "whip" antenna has almost all the original paint, and folds up easily. There are some markings painted on the exterior by the microphone. The rear sling is in good condition and is fully adjustable. The various connectors appear serviceable.

The rear of the Walkie Talkie is still easily removable, and shows the internal circuitry and battery compartment. The tubes all look to be intact, but we have no way of verifying whether they work. The vacuum on the 3B4 power tube is still good, as the getter flash has not turned white. The battery compartment has suffered some acid corrosion due to a leaky battery during service. No battery was installed when we received it.

A great chance to own a piece of communications history!

More on the RT-196/PRC-6

The AN/PRC-6 circuit uses 13 vacuum tubes for the receiver and transmitter combined, all but one subminiature. The unit may be changed to a different frequency in the field by replacing the crystal and adjusting tuned circuits, using tuning indicator ID-292/PRC-6. The tuning chart inside the case is not accurate enough to properly align the unit. The AN/PRC-6 uses a 24 in (61 cm) whip antenna, with a BNC connector for an external direction finding antenna. There is an optional handset H-33*/PT that can be connected to the AN/PRC-6 by a 5 ft (1.5 m) cable. The RT-196 can be carried over the shoulder using a provided web sling.

The AN/PRC 6 was also manufactured under license in France ("TR-PP-8") and Germany (6 channel version or PRC6-6). Israel too manufactured single channel equipment. Modernization of the AN/PRC6 resulted in various solid state crystal controlled and synthesized radios, usually with higher output ratings. For example, Greek valved sets were refurbished in the mid-1980s and converted into single channel solid state one watt units housed inside the original casing. These updated solid state versions were given various designations such as PRC-6T (for "Transistor"), PRC - 6T/180 (180 channel synthesized unit) and PRC - 6GY.

The frequency range of the PRC-6 covers the 6 meter amateur radio band (50-54 MHz in the US and Canada, 50-52 MHz in the United Kingdom), and the many versions of these sets are relatively available and cheap (around £30-40 in the UK) in comparison to other vintage military radios. As a result, many examples have been put on the air, although practical operation is hampered by the necessity of building new, custom power supplies (the original dry batteries, which supplied +1.5, +4.5, +45 and +90 volt outputs, being unobtainable or display pieces only) and the limited output power and range. In addition, a separate crystal and laborious retuning is required every time a frequency change takes place. For this reason in the US 51 MHz is used as a net frequency at many radio events, necessitating only the one crystal.

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