To go to "Learn Morse Code Page" click here.
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To go to "End Fed Wire Page" click here.
SOS from ms PRINSENDAM
- Marine Radio History - Morse Code
To email me click on the picture of the Prinsendam, or click here for address!
For those who cannot see the picture with my email address: N 1 E A at A R R L dot N E T the second character is the number one, it is my amateur radio FCC license call sign, N1EA.
Picture of R/O David Ring during CBS-TV interview with Susan Spencer, Valdez, Alaska, upon arrival on the night of October 6, 1980.
ms Prinsendam (call sign PJTA) was on
fire and burning out of control in the Gulf of Alaska on
Oct. 4, 1980 when James N. Pfister, NS1L and David J. Ring,
Jr., N1EA, both Radio Officers on the USA flagged
'super-tanker' Williamsburgh (Call Sign WGOA) picked up her
See the Manuscript Log of WGOA !
According to Mr. Jack van der Zee the Chief Radio Officer of the Prinsendam, the satellite communications failed during the rescue, but Morse Continued to operate. SOS signals from this rescue were received as far away as New Zealand (ZLB). During the next approximately 20 years, the value of Morse Code was trivialized and minimized. The Commanding Officer of one Coast Guard Communications Station (Boston NMF) said that the maximum range of Morse Code sent on the distress frequency of 500 kHz was 100 miles, maximum. Later comments by the Coast Guard hinted that Morse Code was like a "secret handshake", if you know it you are in. Regrettably, those that know how well Morse works, are those who can copy it. Others must accept what we can demonstrate by using it.
The Prinsendam which was built at Shipyard de Merwede in the Netherlands in 1973. That ship was 427-foot-long and typically carried about 350 passengers and 200 crew members. The liner was transiting through Gulf of Alaska waters, approximately 120 miles south of Yakutat, Alaska, at midnight on October 4, 1980, when fire broke out in the engine room. The vessel's master declared the fire out of control one hour later and the Prinsendam sent a radio call requesting immediate assistance. The United States Coast Guard at Communications Station Kodiak, Alaska (NOJ) requested that the ms Prinsendam send out an SOS, the Captain declined, but Chief Radio Officer, Jack van der Zee sent out one anyway about a half hour later which resulted in the alerting of nearby vessels, such as the 1100 foot supertanker, Williamsburgh which was operated by Avon Marine of Lake Success, NY. Jack v.d. Zee kept this secret until just before his death because what he did could have resulted in loss of his Radio Officer's license - but by doing what he did, he was responsible for saving the lives of all aboard. The Queen of the Netherlands was just about to give Jack lifetime knighthood for his actions when he died. Jack van der Zee is a true hero of the Netherlands.
Mechanics - Article about the Prinsendamrescue.
World Radio article about PRINSENDAM RESCUE.
A copy of my comments that were given to the United States Congress' Merchant Marine & Fisheries Committee can be viewed here.
A copy of the presentation to the US Congress is available here.
Other Radio Officer and Marine Radio Related web sites:
http://www.lusitania-gb100mfa.uk/ This is the Radio Officers Association special event station GB100MFA about Lusitania.
American Radio Association This is the USA trade union representing sailing radio officers, they are looking for good men to sail ships as radio officers electronic technicians and the upcoming ETO - Electrical Technical Officer rating.
Radio, Morse Code, SOS, and related material on my Morse
archive on https://archive.org/details/@djringjr
Morse Code Sound Files - AUDIO FILES OF 500 kHz WIRELESS TELEGRAPHY !!! -
This is a MP3 file of the actual SOS sent by ms Prinsendam on 4 October 1980.
Closing of UK WT stations This is a MP3 file of the actual final messages sent by GIL, GLV, and GNI - hear DAN, PCH and many others send their last "73"
WCC This is a WAV file of the first signals that I heard from both Canada (VCO Sydney Coast Guard Radio) and the United States (WCC RCA's ChathamRadio ) recorded while passing the Azores, on my final (1987?) Westbound trans-Atlantic crossing. -:- Great Audio! -:-
Radio Officers will remember the nostalgic feeling that we felt when first hearing the "telegraphic beacons of home" when returning from a long foreign voyage.
Titanic / MGY This is a WAV file which recreates the spark signals of the Titanic/ MGY which was supplied by Mr. Edward M. Gable, K2MP who is the Museum Curator of the Antique Wireless Association, Inc. which recreates the CQD and SOS from Titanic -:- Copyright 1999 AWA all rights reserved - used with permission.
Morse Code, Thunderstorm and Rain.
A recording made around 1988 by Edward A, McCarthy, W1YT of N1EA maritime mobile in the Gulf of Mexico and later modified by N1EA by mixing the sounds of a thunderstorm and rain. Many say it is very relaxing and makes Morse code reception practice easy and interesting.
N1EA Hear a COOTIE KEY (Russian KDM key) demonstration. (CLICK HERE)
How to send with a sideswiper by
N1EA Version of How to send with a sideswiper.
INTERNATIONAL SideSwiper Net -- Nets held in Europe, North America, Australia-Pacific-Japan, and Trans-Atlantic Net - started many years ago by Bob Shrader, W6BNB, then Society of Wireless Pioneers President, Ben Russell, N6SL, and now it's Yann, F5LAW who conducts the COOTIE MUSIC and arranges the net scheduling! See SSN Web Page for days and times.
Feeding of Semi-Automatic key. How to set up, adjust,
and send with a Vibroplex type semi-automatic key.
Includes often overlooked problems with loose or rusted
connections, bad ground contacts, intermittent connection of the
dot contact spring. INCLUDES VALUABLE ADVICE OF
"ROLLING THE WRIST" nearly forgotten method used by
professional telegraphers to avoid repetitive motion injury
Adjusting of Semi-Automatic keys. Bug Adjustments - from VE2AGQ in February 1968 "QST" with corrections from "Strays".
Die Korrekte Bug - Justierung Bug Adjustments - from DK5KE - Bug, Schlackertaste, Wackeltaste, Vibroplex, Junker-Bug.
MORSE CODE A List of Various
Resources. The big hint, is PRACTICE DAILY.
David Wyn Davies article
about "Marconi 365
type keys" published in Morse Magnificant.
David Atkins, W6VX interesting "Multi U LOOP Antenna" described in his correspondence with me.
SOS Poem and cartoon (classic!)
Ode to Radio Officers Written by R/O Dave Ellis, G4AJY / M0ROA (Callsign for Radio Officers Association.) Video of the Author's recitation: Ode to Radio Officers Video
One book I particularly liked was a fiction book loosely based on the author's experience on Sable Island, VCT (MCT was their earlier Marconi call letters because they began with "M") -- called "The Nymph and the Lamp" by Thomas Raddall a Canadian author who lived in the Annapolis Valley near Halifax, Nova Scotia. I typed up some of the most interesting parts dealing with Morse Code in this file.
Extracts from "The Nymph and the Lamp" by Thomas Raddall.
QSL card took me quite a bit of time, I got permission from
Popular Mechanics to
reprint the cover photograph they used in their edition in
which they printed the Prinsendam story,
composted a radio room Chelsea clock in the background,
added wording to the front, then on the back. I also made a
font called Telegrapher's MILL
click, Save to Desktop, go to Desktop, left double click,
use "Install Font" under "File" in menu on Windows to
install). I based this font on a
scan of my Royal
Manual Telegrapher's typewriter and used it.
MILL Fonts - Telegram
Regular by Ruben Bestard, CO2IR (the best one), Orator
Regular and Orator Italic
(from the IBM Selectric Ball typewriter), Roman
Pro Caps MILL font (Roman Letters with serifs, with
slashed zero, large and small caps for correspondence or
QRZ Search from
Firefox! When you click on the icon at the
right of Firefox's main navigation address bar for the currently
selected search engine you will get a list of the search engines
you have installed, and there will be a selection to add the
plug-in available through this page. When you select the option
to add the plug-in, it will be installed in your browser and
activated. You should see the icon for the new search engine.
Now when you look at the menu, you will see the new "search engine" on the list. You can now do searches using that "search engine" by typing what you're looking for in the search box and hitting ENTER. In this case, you can enter a call sign and it will show you the QRZ page for that call sign. Thanks to KG4ZOW for this.
Telegraph Morse Links!
over! Join the Queen Bee Network! Remember the
group on 7.038 MHz? They are nearly all silent keys
now. The QUEEN herself, AB5TY, Macalee Hime passed
away June 19, 2015.
W4FOK's Morse Code program teaches American Morse and International Morse: The MILL.
American Morse Dial-up and Internet Telegraphy
Tools of Telegraphy
Nice Sine Wave Code Practice Oscillator from DU1ANV
Bob Shrader, W6BNB on Telegraph Keys (PDF file).
QSK Box (External and Internal) -
Designed by W0EPV - (SK) - Engineer and excellent Morse
International Morse Links
Nu-Ware includes Nu-Morse -- recreate historic morse sounds and other morse and ham theory programs. FB
G0NVT --- Phil Boyle's Marconi reproduction keys see his Guillotine Marconi key! The Marconi museum key is on top, his is on the bottom.
Also from DU1ANV, the Slim Jim antenna.
Veteran Wireless Operators Association (VWOA)
An aldis lamp and heliograph simulator by Jorn
Society of Wireless Pioneers (SOWP)
Junker! The World's best made telegraph key. Simply a masterpiece! Buy one here!
First CW transmission, First Radiotelephone transmission - Dr. Fessenden, Brant Rock, MA
The New England Wireless and Steam Museum
Air Tfc Radio - Listen Live over internet!
Commercial Radio (KSM Coastal Telegraph Station, WNE Coastal Telegraph Station.)
Maritime Coast Stations of the World
The Radio Officers' Association & Radio Officers Amateur Radio Society (ROARS)
The new book about Canadian Maritime Communications, Come Quick Danger!
Ship Reading Room - (Spark's library!!!)
Spud Roscoe's (VE1BC) book "Maritime Memories" which was the source material for Come Quick Danger!
CQ de VCO -
Titanic Links including Links to Radio Communication Information Pages
Larry Monroe's TELECOMMUNICATIONS MUSEUM
Plug-in for HexChat Xchat fork
Thanks to archive.org this plug-in is still available at the link above!
Connect to irc.freenode.net then join #cw
Coherent CW - A program for Sound Blaster
MRX Morse Code CW Com Program Morse over Internet Simply an amazing program! You must download this program!
MRX Morse Code Decoder This is in it's Pre-BETA stage, but download it and report bugs to author. Great Potential!
Collins Mechanical Filters
Interesting Radio Amateurs
"Laci" Radnay, W1PL (SK), A Very Interesting ham.
Vinux Wiki about MUTT console email
program IMAP configuration using mutt's internal imap
support. Thanks to archive.org.
SAMPLE mutt configuration files from above (same as .muttrc and put in home folder (or in ~/.mutt folder):
larger muttrc with more features.