Maritime Radio Historical Society Newsletter Archives
The MRHS issues regular Newsletters with reports on what we're up to and information about on the air operations.  Back issues of the Newsletter are available here for your review.

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  • The full format MRHS Newsletter began with No. 4. All Newsletters since then are available here.
  • EXTRA! Flash! KPH Comes Home! - MRHS Newsletter 56
  • > KPH Returns Home!
    > Background
    > What Does This Mean?
    > When Will The Change Occur?
    > Celebratory Event Planned
    > What's This About KFS?
    > What About KSM?
    > How Long Will This Arrangement Last?
    > More Riveting Details
  • MRHS Newsletter No. 55a - Update - Night of Nights 2016
  • Updates and corrections for Night of Nights 2016
  • MRHS Newsletter No. 55 - Night of Nights 2016
  • Historic coast stations KPH, KFS, KSM, and WLO will be on the air!
    USCG stations NMC, NMW and NMQ will return to the air - possibly for the last time!
    RCA "H Set" Transmitter 298 will be on the air (KSM 22Mc)
    1942 Press Wireless PW15 transmitter will be on the air (KFS 12Mc)
    K6KPH will be listening for calls and signal reports
    W4WLO will be listening for calls and signal reports
    Technical report on the RCA SSB R3 diversity receiver
    The enigmatic H over 2 antenna explained

    Frank Geisel's Report No. 3 for June/July 1946
  • MRHS Newsletter No. 54a - mini-Night of Nights Reminder
  • Reminder - Mini Night of Nights 2016 February 6! (and you're invited!)
    Morse operators - the MRHS Needs You!
    K6KPH Participation in National Parks On The Air
  • MRHS Newsletter No. 54 - mini-Night of Nights 2016!
  • Mini Night of Nights 2016 February 6! (and you're invited!)
    Presentation - MRHS History of Wireless and KPH - February 9
    Frank Geisel's Report No. 5 for October 1946 (with "Radio is Magic" radio program)
    MRHS Board Meeting
  • MRHS Newsletter No. 53 - mini-Night of Nights Report
  • Warren Reese SK
    Mini Night of Nights Report
    Distinguished MRHS Visitor
    New KSM Customer - M/V Pomplun Circumstance/WDI4501
    Frank Geisel's Report No. 5 for October 1946
  • MRHS Newsletter No. 52a - mini-Night of Nights Update
  • Report from the Department of Coding Errors
    SS RED OAK VICTORY/KYVM Will Be Active
    Clarification of Operating Hours
    Where to Send Those Reception Reports
  • MRHS Newsletter No. 52 - mini-Night of Nights!
  • Mini Night of Nights Coming Up!
    2015 Night of Nights Report
    Newly Discovered Vintage Photos
    Special Clock Returns
    Raid on KFS Transmitter Site
    Frank Geisel's Report No. 4 for August/September 1946
  • MRHS Newsletter No. 51a - Night of Nights Update
  • MF Antenna Restored
    KPH and KFS Frequencies Confirmed
    Clarification: Sunday is the Day
  • MRHS Newsletter No. 51 - Night of Nights 2015
  • NIGHT OF NIGHTS ISSUE

    Historic coast stations KPH, KFS, KSM, WLO AND KLB will be on the air!
    USCG stations NMC, NMW and NMQ will return to the air - possibly for the last time!
    RCA "H Set" Transmitter 298 will be on the air (KSM 22Mc)
    1942 Press Wireless PW15 transmitter will be on the air (KFS 12Mc)
    K6KPH will be listening for calls and signal reports
    W4WLO will be listening for calls and signal reports
    Hear about Night of Nights on KWMR
    Join us in person or on the air!

    But wait, there's more:

    Attend a special presentation on the history of KPH
    Project to rebuild a RCA SSB R3 diversity receiver
    1925 Radiomarine IP-501-A receiver obtained by MRHS - and more!
    Frank Geisel's Report No. 3 for June/July 1946
  • Newsletter No. 50 - Bolinas Antenna Damage
  • Bolinas Antennas Suffer Heavy Damage in December Storm
    MRHS Granted 512kc!
    Frank Geisel Reports for February, March and April 1946
    Mini-Night of Nights Report
    Get Your Radiotelegraph License Endorsed at KSM
    First MRHS Radiotelegraph Exam Scheduled
    Radiotelegraph License Exams in the Portland Area
    Matson Navigation Company Needs REOs!> Job Opening at the MRHS
  • MRHS Newsletter No. 49 - Mini Night of Nights
  • Mini Night of Nights 1 November - MF Madness!
    No RTTY Service 1 November
    KPH Log - 7 December 1941
    Frank Geisel's Report No. 1 - 1946
    New Information - MRHS to Offer Radiotelegraph License Exams
  • MRHS Newsletter No. 48 - Banquet at Historic Marconi Receive Site
  • Help Save Rhombic R-209
    Banquet at Historic Marconi Receive Site
    MRHS Presentation at Pacificon 2014
    MRHS to Offer Telegraph License Exams
    KSM Maritime Press Broadcasts Available On Line
  • MRHS Newsletter No. 47 - Meet Greet and Eat
  • Report from the Department of The Exchequer
    Meet, Greet and EAT!
    Night of Nights Report
    Mini Night of Nights - MF Madness in October!
    The Homes of (K)PH
    An Idyl of KPH
    Project Ivory Soap - Top Secret Aircraft Repair Ships of WWII
  • MRHS Newsletter No. 46 - Night of Nights 2014 Update
  • Report from the Department of Gratitude
    KSM 22Mc added to list
    Review of event date, time and location
    More information on post-Night of Nights event (not to be missed)
    Complete list of events commemorating the 100th anniversary of commencement of Marconi operations at Bolinas and Marshall, CA
    SASE requested by USCG
    Bolinas station mentioned in transmission from SAQ
    USCG Ocean Station ships - A report from one who was there
  • MRHS Newsletter No. 45 - Night of Nights 2014
  • Full Night of Nights 2014 Information
    Marconi author Calvin Trowbridge Jr. book talk and reception
    Fantastic exhibit at Bolinas Museum for 100th anniversary of Marconi operations
    Listen to "An Ode to Morse Code", the story of Night of Nights
    MF antenna filter saga
    Preserving the RCA BL298H set transmitter with heat
  • MRHS Newsletter No. 44
  • MRHS Participation in International Marconi Day 2014
    Meggers: Theory of Operation & Construction
    A Day at the Transmitter Site, or "It's Always Something"
  • MRHS Newsletter No. 43
  • What Happened to the MRHS Newsletter?
    K6KPH to Participate in Straight Key NightTree Takes Out KSM Feed Lines
    Stephen King visits WMH Transmit Site
  • MRHS Newsletter No. 42
  • MRHS Operations Resume After Shutdown
    Station Particulars
    Fair Warning: MP Has a Blue Racer
  • MRHS Newsletter No. 41
  • Denice Returns Home!
    Spark Transmitter Donated to the MRHS
    But wait, there's More!
  • MRHS Newsletter No. 40
  • Night of Nights Report from NMC and NMQ
    Denice Stoops to Return Home
    Eternal Flame
    WPYH860 Renewed
    KPH Changes Frequency - in 1930
  • MRHS Newsletter No. 39 - Night of Nights Report
  • Transmitter 298 Dedication
    Transmitter Department Report
    At the Receive Site
    K6KPH Operations
    Soapbox
    Reception Reports
  • Night of Nights 2013 Final Information
  • Historic coast stations KPH, KFS and KSM will return to the air
    RCA "H Set" Transmitter 298 to be on the air
    USCG Coast Stations NMC and NMQ will be on the air
    Historic Stations WLO and KLB may join the event
    K6KPH will be listening for calls and signal reports
    Join us in person or on the air
  • MRHS Newsletter No. 38
  • BIG NEWS! Transmtter 298 Speaks!
    Night of Nights 2013 - More Details Emerge
    Maintenance Report - A Tale of LED Conversions and Christmas Trees
    Fantastic Donation to the MRHS - Video!
    MRHS Tries Twitter - Worth the Effort?
    Archivists Corner - Historic RCA Guest Book
    Operations Report
  • MRHS Newsletter No. 37
  • Night of Nights 2013 - Provisional Frequency List
    Maintenance Report - Transmitter 298 Almost Ready!
    Field Day Message from K6KPH - Times & Frequencies
    MRHS Tries Twitter
    KPH Marconi Atalanta Receiver - The Rest of the Story
    The Geisel Chronicles, Part IV
    Archivists Corner
    Operations Report
  • MRHS Newsletter No. 36
  • Night of Nights 2013 - Save the Date
    Welcome New Subscribers!
    Maintenance Reports
    The Geisel Chronicles, Part III
    MRHS Storage Area Takes Shape
    Operations Report
  • MRHS Newsletter No. 35
  • Maintenance Reports
    First Radiotelegraph Operator License Issued by FCC
    Long Delayed QSL - The Rest of The Story
    The Geisel Chronicles, Part II
    Archivist's Corner
    Operations Report - Livermore Radio Klub Visit
  • MRHS Newsletter No. 34
  • Antenna Maintenance
    Long Delayed QSL
    The Geisel Chronicles, Part I
    Archivist's Corner
    Operations Report - KSM Crypto Broadcast
  • Extra! Crypto Transmission from KSM
  • Full information on KSM crypto transmission on 4 May 2013
  • MRHS Newsletter No. 33
  • International Marconi Day Special Issue
  • MRHS Newsletter No. 32
  • MRHS Participation in International Marconi Day 2013
    Incredible Radio Tales "Radio is Magic" Available On Line
    The Great Keying & Control Drama Continues Part II
    Archivists Corner - Sea Letter Telegram
    Operations Report
  • MRHS Newsletter No. 31
  • True Believers Speak
    Great Keying & Control Drama Continues
    Eric Visits, Fixes Model 15, Pounds Brass
    New Feature: Archivists Corner - KPH Logs of 7 December 1941 "THIS IS NO DRILL"
    World War II Vet Visits MRHS
    Operations Report - International Marconi Day Update
  • MRHS Newsletter No. 30
  • An Inquiry from the Editor
    Restoration Update - Transmitter 298
    Bill Ruck's Titanic Battle Continues
    FLASH! Marconi Trans-Pacific Transmitter Opens for Service
    Operations Report - Changes to Note - International Marconi Day
  • MRHS Newsletter No. 29
  • Maintenance Department Report - Transmitter Keying Reverse Engineering
    Radio Archeology - Part 5 of a Series
    Wonderful Donation
    Operations Report
  • MRHS Newsletter No. 28
  • Transmitter 298 Lives!
    K6KPH is Everyone's Sweetheart
    Operations Report
  • MRHS Newsletter No. 27
  • International Communications Facilities of the American Carriers
    A Very Special Receiver Donation
    New MRHS Merchandise!
    Operations Report
  • MRHS Newsletter No. 26
  • FCC Releases Report & Order for radiotelegraph licenses
    Direct dial phone number for KSM and K6KPH
    New MRHS merchandise!
    Samuel F. Morse Club
    Operations Report
  • MRHS Newsletter No. 25
  • Maintenance Department Report - RS Keying System
    Famous Key Returning to KPH
    QTC - Messages to the MRHS
    Operations Report - Cat Stepping Observed on 500kc!
  • MRHS Newsletter No. 24
  • Dick Flint - SK
    Want to Work KSM? Here's How!
    Maintenance Report - Box of Death & More
    Holiday Message from Denice
    Operations Report (Straight Key Night)
  • MRHS Newsletter No. 23
  • Antenna restoration report
    Report from the Department of Embarrassing Mistakes
    Radio Archeology - Part 4 of a Series
    Operations Report
  • MRHS Newsletter No. 22
  • Antenna restoration report
    Get your commercial radiotelegraph ticket
    Thanksgiving Wishes From Denice
    Operations report - report on 18Mc
  • MRHS Newsletter No. 21
  • Help Save Rhombic 209!
    On The Job at an FCC Monitoring Station
    Radio Archieology - Part 3 of a Series
  • MRHS Newsletter No. 20
  • MRHS T Shirts!
    MRHS Rocks Pacificon
    More on D3 Receiver Photo
  • MRHS Newsletter No. 19
  • Remote Control by Tone Set Part 3
    More on R-3 Dual Diversity Receiver
  • MRHS Newsletter No. 18
  • MRHS at Pacificon 2012
    Remote Control by Tone Set Part 2
  • MRHS Newsletter No. 17
  • Remote Control by Tone Set Part 1
    QSO by Car Horn
    True Believer Visits MRHS
  • MRHS Newsletter No. 16
  • Dual Diversity Receiver R-3
    Mystery Transmitter - Can You ID?
  • MRHS Newsletter No. 15
  • KPH - Station History and Layout
    Video - Modern Age Intrudes on MRHS
    KSM/K6KPH Expanded Hours
  • MRHS Newsletter No. 14
  • H Set Screen Bypass Capacitors Report
    Night of Nights Video
    Modern Age Intrudes on MRHS
  • MRHS Newsletter No. 13
  • Report: PW-15 Transmitter
    Tubes Donated to the MRHS
  • MRHS Newsletter No. 12
  • 4-Wire Restoration
    Radio Archeology
  • MRHS Newsletter No. 11
  • Transmitter 298 Update
    Mystery Station on Mt. Tamalpias
  • MRHS Newsletter No. 10
  • Transmitter 298 Restoration Report
    Copy Display Rack for MRHS TTY Machines
  • MRHS Newsletter No. 9
  • Tale of Two Atlanta Receivers
    RCA Frequency Measuring Service
  • MRHS Newsletter No. 8
  • Save Rhombic 209!
    Night of Nights Final Wrapup
  • MRHS Newsletter No. 7
  • KSM Punched Paper Tape "Wheel" Video
    Night of Nights Report
  • MRHS Newsletter No. 6
  • KSM Antenna Maintenance Video
    Night of Nights Final Update
    KSM - The Rest of the Story
  • MRHS Newsletter No. 5
  • Fear the Box of Death!
    Night of Nights Announcement
    WWII Vet Visits KSM
    PW-15 Transmitter in India
  • MRHS Newsletter No. 4
  • KSM Listed by ITU!
    K6KPH Field Day Bulletin
    Equipment Donations - RCA and Marconi Receivers

Contact us:

Maritime Radio Historical Society
PO Box 392
Point Reyes Station, California 94956
info@radiomarine.org
Subscribe to the MRHS Newsletter!