| Sub-Type | Technology |
|---|---|
| Type | Scientific Instruments |
| Period | 1951 to Present |
| Material | Paper |
| Country of Origin | United States |
Check the listing for details. Watkins Johnson Direction Finding Receiving Reconnaissance System AD 1970s. Condition: Used, Made in United States. Listed at 13.52 USD. The Watkins Johnson Direction Finding Receiving Reconnaissance System from the 1970s is a piece of scientific equipment that was used for navigation and communication purposes. Developed in the United States, this technology falls under the category of Scientific Instruments and is a fascinating collectable item for those interested in engineering and surveying. Made of paper, this system represents a significant advancement in technology during the 1970s and is a valuable piece of history for collectors.