#Wj home inventory services manuals

Two data sheets for these units have also been added, one form 1970 and one from 1973. This article can be found via the Collector's Corner or on the WJ & CEI Document Index pageĪpA complete manual has been added for the DMS-107 and DMS-107A Signal Processors which tune 0.1 to 10 MHz in one band and demodulate AM, FM & CW with 8 different bandwidths. If you are troubleshooting the front panel for one of these fine radios, you'll want to read this article even if you don't built a complete tester. MaA custom made handy front panel tester for the Watkins-Johnson Microprocessor Front Panel (MFP) of the WJ-8718/MFP and WJ-8716/MFP HF receivers. This fascinating article can be found via the Collector's Corner or on the WJ & CEI Document Index page Also included are comparison and information on the no front panel versions of both lines, the WJ-8712 and the RX-331. MaPaolo Viappiani with an interesting comparison and the competitive history of the venerable and popular Watkins-Johnson WJ-8711 and Ten-Tec RX-340.

#Wj home inventory services manuals

These manuals can be downloaded from the WJ & CEI Document Index page Some hobbyists stick a preamp in front of them and tune them to six different SSB HF frequencies they like to monitor.

The WJ-9518 was one of the first digitally tunable FDM demods. Watkins-Johnson made a wide array of equipment for demultiplexer FDM stacked telephone calls.

This is one public window to my ongoing research into Watkins-Johnson andĬommunication Electronics, Inc and the history ofĪnd surveillance equipment manufacturers (COMINT, SIGINT and ELINT).įor other companies please see my Black Radios website. Visit the BlackRadios Facebook page for discussions and sharing information (Articles by collectors on how-to, repairs and projects)