Jan Skirrow, VE7DJX British Columbia, Canada Circuit Designer · Kit Builder · Community Innovator Jan Skirrow, VE7DJX, is one of the R-390A community’s most enduring innovators — a designer who translated the theoretical improvements that the reflector’s technical community had…
David Medley United States Master Restorer · R-390 Family Specialist David Medley was one of the most skilled hands-on restorers of R-390 family receivers in the community’s history. A Medley restoration was considered a mark of quality — a receiver…
Roger Ruszkowski, KC6TRU United States Ex-Military Operator · Technical Authority · Reflector Legend Roger Ruszkowski, KC6TRU, was among the most respected technical voices on the R-390 reflector during the mailing list’s most active years in the early-to-mid 2000s. His combination…
Peter Graves Silent Key New Jersey, United States Custodian of the Fowler R-390A, Serial Number 1 · Silent Key, 2023 Peter Graves held a distinction that is unique in the history of the R-390A: he was the owner of the…
Wally Chambers – SK United States R-390 Manufacturer Historian · Silent Key Wally Chambers was the community’s foremost historian of the R-390 family’s manufacturing history. In a community where most expertise is focused on circuit operation, alignment technique, or restoration…
Al Tirevold, WA0HQQ Silent Key United States Website Administrator · Community Archivist · Silent Key, July 2021 Al Tirevold, WA0HQQ, is one of the most quietly indispensable figures in the modern history of the R-390A community. For years he supported…
Bob Thomas, VE3TOU Godfrey, Ontario, Canada Founder, Treetop Circuits · SSB Adapter Designer · Licensed Amateur Since 1958 Bob Thomas, VE3TOU, is the designer and founder of Treetop Circuits — the small Ontario cottage operation that for thirteen years produced…
Boatanchor Legends: Edward Kujawski — The BAMA Archive Boatanchor Legends — A Tribute Series Edward Kujawski The Boat Anchor Manual Archive Keeper of the Manuals — bama.edebris.com Every restoration begins with a manual. Before the first capacitor is replaced, before…
Boatanchor Legends: Ted Robinson, K1QAR — Engineer, Restorer, Innovator Boatanchor Legends — A Tribute Series Ted Robinson, K1QAR Fairhaven, Massachusetts Yale Engineer • Collins Restorer • Magnetic Loop Pioneer Ted Robinson brings a rare combination to the R-390A community: a…
Boatanchor Legends: Paolo — La Famiglia 390 Boatanchor Legends — A Tribute Series Paolo Italy La Famiglia 390 — The Complete R-390 Family Reference Paolo brought an international perspective and a scholar’s thoroughness to the R-390 community with “La Famiglia…
Boatanchor Legends: Jim Thompson, W4THU — St. Juliens Creek Eyewitness Boatanchor Legends — A Tribute Series Jim Thompson, W4THU The Radio Works — Portsmouth, Virginia St. Juliens Creek Eyewitness Jim Thompson’s eyewitness account of the St. Juliens Creek Annex surplus…
Boatanchor Legends: Don Heywood, WC4G — R-390 Non-A Specialist Boatanchor Legends — A Tribute Series Don Heywood, WC4G South Carolina R-390 Non-A Specialist & Restorer Don Heywood earned his reputation in the R-390 community through deep, practical expertise with the…
Boatanchor Legends: Chuck Teeters, W4MEW — Nomenclature Tags & Tropicon Boatanchor Legends — A Tribute Series Chuck Teeters, W4MEW Fort Monmouth Nomenclature Tags Historian & R-725/URR Researcher Chuck Teeters brought a historian’s rigor to the R-390A community through two distinctive…
Boatanchor Legends: Richard Biddle — Gear Train Disassembly Guide Boatanchor Legends — A Tribute Series Richard Biddle Gear Train Documentation Making the Intimidating Accessible The gear train of the R-390A is one of the most mechanically complex assemblies in any…
Boatanchor Legends: Cecil Acuff, K5DL Boatanchor Legends — A Tribute Series Cecil Acuff, K5DL Gulfport, Mississippi Long-time Community Contributor Cecil Acuff was a fixture on the R-390 reflector mailing list for more than two decades, contributing practical wisdom on both…
Boatanchor Legends: Randy Stout — R-390A Spotter’s Guide Boatanchor Legends — A Tribute Series Randy Stout R-390A Spotter’s Guide Identification Reference Pioneer Before the internet made visual identification of R-390A manufacturer variants relatively straightforward, collectors buying at hamfests, surplus sales,…
Boatanchor Legends: Floyd Soo, W8RO — HI-RES Communications Video Archive Boatanchor Legends — A Tribute Series Floyd Soo, W8RO HI-RES Communications Bringing Restoration to Video Floyd Soo recognized something that the R-390A community needed before most of its members realized…
Boatanchor Legends — A Tribute Series Larry Haney has been a steadying presence on the R-390 reflector mailing list for decades, contributing practical wisdom on R-390A alignment, troubleshooting, and restoration with the authority of someone who has spent a lifetime…
Nick England K4NYW – Boatanchor Radio Legend | VK6ADA VK6ADA · r-390a.net · Boatanchor Community Profile Nick England, K4NYW:A Boatanchor Radio Legend The man who built the most comprehensive online archive of U.S. Navy radio communications equipment — and preserved…
Boatanchor Radio Legends Chuck Rippel, WA4HHG The R-390A Restoration Master Chesapeake, Virginia “If you want just one rig in your collection to be right — perhaps beyond your own ability on the ‘390A — you couldn’t do better.” — R-390…
VK6ADA · r-390a.net · Boatanchor Community Profile Perry Sandeen, KM6FQV: A Boat Anchor Radio Legend How one determined editor turned decades of mailing-list wisdom into the most important single reference document the R-390A community has ever produced — and then…
Dallas Lankford – Boat Anchor Radio Legend | VK6ADA VK6ADA · r-390a.net · Boatanchor Community Profile Dr. Dallas S. Lankford IV:A Boat Anchor Radio Legend Mathematician, master modifier and the man who taught the R-390A to copy SSB Feature Article…
Dr. James A. Moorer – Boat Anchor Radio Legend | VK6ADA VK6ADA · r-390a.net · Boatanchor Community Profile Dr. James A. Moorer:A Boat Anchor Radio Legend How an Academy Award–winning digital audio pioneer became one of the most prolific archivists…
The following table lists the crystal complement for Collins S/Line and KWM-2 equipment. Crystals marked with an asterisk (*) were supplied with the equipment and are not included in the CP-1 Crystal Pack. Crystal (kHz) Operating Frequency (MHz) Part Number…
Collins Service Bulletins and Service Information Letters for the KWM-1/2/2A and S-Line Series of Amateur Equipment Collins Service Bulletins and Service Information Letters For the KWM‑1/2/2A and S‑Line Series of Amateur Equipment Legend: SB = Service Bulletin SIL =…
Peko Radio – solid state power suppy parts for Collins S-Line and KWM power supplies
VHF Portable Antennas
I was an early advocate of the tungsten disulphide (TDS) and ethyl alcoholtechnique; The post from (+15 years ago) might of been on a thread that Ihad an active part or even initiated. I can say that the original one…
KWS-1 : The Care and Feeding and Other Trivia by Bill Carns, N7OTQ Collins KWS-1 Service Bulletins #7
Serial # 1320
EBAY item #: 386151671376 Purchased 9/29/2023
Purchased from K5APL in the CCA Group
This is a Collins 75S-2 receiver and it is operational. Rumor is that only 300 or so were actually built. I have also read that Collins used a 75S-1 chassis to create the 75S-2. The receiver appears to be all original inside with…
Ebay auction #: 126037943895
Please see all pictures as this vintage Collins ham radio receiver presents itself with fantastic appeal and class. Item is free from any loose particles inside/outside it’s original chassis. Item also appears to be free from any non original drilled…
S-Line Crystal Frequency List
Part 1 Part 2 Part 3 Part 4 Treetop Circuits SSB Adapter TDS Lubricant for the R390A
Frequency counters for Collins and Yaesu tube type receivers and transceivers.