Service Bulletins and Modifications
for the SWAN 350 HF Transceiver.

The following is a listing of Swan Service Bulletins and other modifications to the Swan 350 transceiver that are known to Dave, KD7VA. These were added to my web site after many requests for manuals and other information.

Service Bulletin #9B - 15 meter spurious radiation with 350 & 400 transceivers.

Service Bulletin #10 - "Low loading on 80 and 40", "10 meter loading" and "Final Tube Replacement."

Swan 350 Crystal Calibrator - See if you have one. If not, a schematic for do-it-yourself.

Swan 350 Product Detector Modification

More Soon

This information is provided without warranty and for information purposes only. Every attempt has been made to accurately duplicate the printed matter from Swan and other sources.

I do not believe that any copyright interests remain for this information. If they do, and the copyright owner objects to further release, the owner should notify me immediately and I will remove it.