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Long : 4.30664 E (004° 18' 24'' E)                              
Lat : 52.05249 N (52° 03' 09'' N)

QTH locator : JO22db
ITU Region 1
ITU Zone: 27
CQ Zone: 14
DXCC zone: 263

send me an email     Write2Me Gastenboek 

The Netherlands
Les Pays Bas
Die Niederlande
Los Países Bajos
I Paesi Bassi




Welcome to the PD3TRU & PC4Y webpage



Map showing my location in The Netherlands (Europe)


Glossary of terms of the above Solar-Terrestrial Data. In brief: High SFI (> 100) and low K (< 4) are providing for good HF DX conditions.

Number of countries (entities) worked

My career started as a wireless officer. I have done that from 1965 - 1974, serving on board freighters and passenger liners like the s/s Statendam and the (old) s/s Nieuw Amsterdam. So 'wireless' is rather familiar.

I did my N exam in 2011. My call sign then was PD3TRU. The first QSO with my legacy and vintage YAESU FT-7 was on april 23rd 2011 at 09:15 UTC with F8CSL. A memorable day to reach the middle of France with only 10 Watts in the antenna. It was my first QSO after I stopped being a 'sparks' 37 years ago. A true adrenaline boost. On March 5th 2014 I successfully passed my F exam. From here on my call sign is PC4Y. I have chosen PC4Y for a reason: my first ship I worked on as an independent R/O was the KNSM m/v ATTIS with call sign PCVY.  For nostalgia reasons I just added one dot to the V and made it a 4 in CW language. The button below gives access to the F study I did with the help of the VERON ham radio club and the very useful help from PA0WV.

F-exam issues 

Some four or five spots in the above map are incorrect, like the one in Alaska and the one in the Gulf of Guinea. Apparently these guys have their coordinates incorrect in their profile. It didn't help to adjust their locator coordinates afterwards.

Ask Dave

Clicking on the above button gives access to a series of interesting
HAM Radio topics and answers from Dave Kesler KE0OG

My logbook is updated in HamRadioDeLuxe with daily updates to LoTW,, eQSL, and QRZCQ. LoTW clearly gives the most QSL's but no QSL cards. eQSL gives nice electronic QSL cards and is giving disappointing results w.r.t. QSL's. Some figures: On 1 March 2017 I have made 5169 QSO's from both the PD3TRU and PC4Y call signs. I received 1692 QSL's from LoTW (32,7%), 1465 eQSL cards (28,4%) and 966 confirmed QSO's from (18%).

Some of my latest activities during the past months.Latest days now on top as per request from many visitors J

Thursday 23 January 2020. The results of the LZ DX contest came in:

Nr Call QSO Score
Total Conf Points Mult Total
365 PC4Y 34 34 193 20 3860

#365 out of 440 given the time I have participated; not bad. And a nice certificate:

Weekend 18/19 January 2020. Joined the HA-DX contest on Saturday afternoon en Sunday morning. Al together probably 2 hours. Called it a day after 50 QSO's in the 20,40,80 and 160 meter bands. It was nice again. Lots of stations in the air.

Thursday 2 January 2020. The final results of the WAG (Worked All Germany) contest came in:

Place Callsign QSOs QSO-Pts Multi Result
205  PC4Y 86 258 35 9 030

#205 out of 321 participants in that category. Not bad given that I only joined in for a few hours.

End December 2019. Just passed the 7,000 number of QSO's made since I became a ham in 2011. I know......some make that number whilst asleep overnight using FT8. But this was mostly done with handmade CW.

Weekend 21/22 december 2019. Joined the Croatian CW contest (9ACW) and made 58 QSO's in the 80, 40 and 20 meter bands. I have only been on the air for approx. one and a half hour. It was nice again.

Saturday 23 November 2019. Joined the CQWWDX CW contest for an hour or so. Worked the 40, 20 and 15 meter bands and only made 16 QSO's. Had planned to stay longer but many other activities were planned for the weekend and my time for the contest was up. It was fun nevertheless.

Weekend 16/17 November 2019. Joined the Bulgarian DX contest briefly on Saturday and even more briefly on Sunday and hence only made 34 QSO's in the 15, 20 and 40 meter bands.

Conditions were moderate to good and it was fun working everybody with everybody. Uploaded the Cabrillo file, but of course I don't have any hopes for any form of award.

Wednesday 6 November 2019. Celebrating Hanso Idzerda Day in the Kurhaus in Scheveningen were the VRZA was providing for ham radio activity with call PA100PCGG. Hanso Idzerda was the first in the world who achieved to provide for regular radio broadcast transmissions that could also be heard in London. These transmission started on 6 November 1919.

Above picture shows the three grandsons of Hanso Idzerda receiving the first issue of the book about 100 years radio broadcasting.

Weekend 2/3 November 2019. Joined the Ukrainian DX CW contest during approx. 2 hours spread over two days. Made 62 QSO's in de 20, 40 and 80 meter bands. It was nice again. DX's included Kazakhstan, Israel, US and Asian Russia. So not very unique. Conditions were moderate.

Weekend 19/20 October 2019. Joined the WAG contest (Worked All Germany) in CW only. In total some 2 1/2 hours and made 87 QSO's almost all in a 40 meter band zoo. Saturday evening quite a few in the 80 meter band. It was fun.

-------- Information from log header ------------- 
Contest       : Worked All Germany (WAG)
Mycall        : PC4Y
Category      : Single operator, CW, low power
Claimed Score : 9135
Club          : VERON

Sunday 13 October 2019. Not much activity lately. Been busy though. On board the ss Rotterdam, preparing the new newsletter and also with DARES and its presence at the Archeon event of the VRHM (Security Region Hollands Midden). Most of the so called chain partners were there to get acquainted with one another. And so were we with two field stations.

Monday 23 September 2019. Every now and then I get the question: 'what is the fun of a contest ?' 'It is often not much more then a quick exchange of some data and then on to the next one'. Well to be honest, this is what I thought in the beginning as well. But let me try to summarize the fun:

  1. There is a lot more activity in the air than usual. If you ever doubt if there are still hams around: listen to the radio during a contest.
  2. It is an art to distinguish the various stations from one another when they are tumbling over each other. They cannot help it really because when you participate in a contest and pick a frequency say in the 20 meter band, you cannot hear your fellow hams in the same region in that band.
  3. It is a nice addition to your logbook. In one weekend or one day you can easily add a hundred (or a thousand) QSO's in your log and receive many eQSL cards (and/or hard copies).
  4. You hear stations you have never worked before.
  5. It is nice to notice so many stations actually hear you! It proves your setup is working fine.
  6. Often a plaque is provided that can decorate your shack.
  7. A multi operator contest in e.g. a club station is adding to the fun as you meet fellow hams.

Of course there are also some reasons why NOT to join the contest:

  1. Lack of time. A contest often runs a whole weekend (48 hours) or a whole day (24 hours). If you cannot join the contest during a couple or hours, you are missing some of the fun, like # stations worked or # increasing exchange number. This is the main reason for me NOT to join a given contest.
  2. Lack of experience. Well this is not really an excuse as you can only build up experience by doing it.
  3. Contests that require a serial number (exchange number). It can be de-motivating to hear a station giving a serial number up in the hundreds, where you just fired up your system and starts with 001.
  4. Bad conditions, like an Asian contest or Oceanic contest, where the stations can hardly be heard (in my region).
  5. Nobody hears you. Can be due to poor conditions or your own system setup. Remember: the antenna is much more important than the transmit power.

In addition there is a major choice one has to make: do you wish to send out the CQ, or do you wish to respond to the CQ's. Of course you can also decide to do both. But the operating practise differs somewhat between the two options. The option to respond to a CQ is far more relaxed than the option to send the CQ as many stations will then try to make contact with you, often causing lots of QRM. If you want to go for the highest scores you'd better send out the CQ yourself. The advantage to send out the CQ yourself is you can remain on the same frequency or have to change frequency only a few times, whereas if you respond to a CQ you will have to work the whole band in every band.

It would be interesting to hear other reactions. So don't hesitate to contact me:

Sunday 22 September 2019. Joined the SAC contest. Nice. Used the N1MM logger. Just uploaded my log:


Band      QSO   Points   Multipliers
80m          4       4       4
40m         26      26      19
20m         60      60      23
15m         12      12       8
10m          1       1       1
Total      103     103      55

Dupes:     1
Invalid:   0
QSO Total: 104
Score:     5.665 (Diff: 0)

Saturday 14 September 2019. Briefly joined the FOC contest in honour of Bill Windle (SK) hence the CQ BW call for the contest. But conditions remained poor and I made only some 10 or 12 QSO's.

And I did receive the PACC contest award. The PACC contest was earlier this year. Click on the picture to enlarge.

Monday 9 September 2019. As conditions have been pretty poor lately, only a few QSO's have been made. Nothing spectacular.

Saturday 3 August 2019. Joined the EUHFC contest for about 30 minutes and made 19 QSO's. Uploaded the Cabrillo log successfully. Used N1MM for the contest log. Uploaded the ADI file to my Ham Radio de Luxe logbook.

Thursday 31 July 2019. Upgraded the PI4HAL PC's with the new Ham Radio de Luxe version 6.6 and the new authentication key. It all went very smoothly.

Period 12 July - 21 July 2019. Sailing along the Bretagne coast from Bénodet to Vannes, via Concarneau, Port Louis, Ile de Groix and Belle Ile. Good winds, sunshine, mild sea and pleasant team. Made some HF QSO's using call PC4Y/MM on a Yaesu 897 on board. Worked the 20, 30 and 40 meter bands.

The operator behind the set above is Ger PC3GER with whom I joined the skipper on his sailing yacht YOHO.

From left to right: Bert and skipper Peter, s/y YOHO, the sailing area and the team with the dog at the north coast of Belle Ile.

Weekend 6 & 7 July 2019. Joined the Marconi Memorial Contest (MMC) between many other activities like gardening, shopping and so on and so forth. So I guess I have been on air for about one hour in total and made 32 QSO's. Uploaded the Cabrillo file with no hassle and I was added to the list of  uploaded files. I obviously don't have high hopes for a high ranking, but it was great fun.

Friday 5 July 2019. Back from holiday!

The PACC 2019 results:

SO ALL LOW MIX  20   PC4Y  118  118  7   42   4662  E   11%   21  1

Which means: Single Operator Mixed mode ranking 20, #118 QSO's 7 penalties, 42 multipliers and total score 4662. And haven't got a clue as to what the E stands for or the 11% nor the number 21 and 1.

Wednesday 19 June 2019. The final results of the 2018 LZDX contest are in:

Nr Call QSO Score
Total Conf Points Mult Total
356   PC4Y 23 21 102 12 1224

Nothing special of course with only 21 confirmed QSO's. But still.....I wasn't last

Tuesday 11 June 2019. At the monthly DARES meeting I continued the Morse lessons I started in our Steenbergen event in May. There were three participants, two of which already showed a considerable improvement as they also had practised at home. We practised for about 30 minutes before the beginning of the meeting. It is nice to notice the enthusiasm of the participants.

Saturday 8 June 2019. Old tug event in Maassluis. A true heritage. Stormy weather, rain and lots of fun. On board the Hudson I met an old friend from 'the past'. The pictures about the radio room are from the Hudson.

Monday 27 May 2019. My CW decoder came in. It is for the purpose of teaching others the magic act of beating brass. It is an advantage for the 'students' to be able to see what they have sent.

It is called the cheap (not so very good) CW decoder and it comes from China. Eur. 18.99. Worth trying isn't it.  So I connected the output of my MK-1 Master Keyer from Ham Gadgets to the upper left corner connector of the CW decoder and a 9 VDC connector to the upper right connector and started to key with both the paddle and the straight key. The decoder did what it was supposed to do and regardless of the keying speed it decoded the messages perfectly. This was the main purpose of the decoder so I was satisfied. However one should be able to connect the audio output of the transceiver to the lower right connector and a speaker to the lower left connector in order to decode any CW on the air. That I haven't been able to do yet successfully. Connecting it was no problem, but decoding didn't work no matter what the position was of the pot-meter at the bottom of the print. It does require stereo plugs on all connectors (not the 9 VDC connector of course). So I will keep on trying to find out how to fix that, although a YouTube video shows the same problem.

Wednesday 22 May 2019. My score of the PACC contest earlier this year:

21.          PC4Y       5250

Ranking #21 in a list of 43 in total (SO LOW ALL MIXED). Not bad.

Weekend 17/20 May 2019. Had a long weekend with some DARES guys in Steenbergen. We had one private home with a large garden in which we could easily set up 4 antenna masts and some 5 antenna's. We had a few Yaesu FT-897 transceivers, Yaesu FT-450 and Yaesu FT-817. And I had offered to give some Morse lessons that the guys participated in with great enthusiasm.


Monday 29 April 2019. Contacted 4X64S who - with some other Israeli operators - draws attention to the 64th Eurovision Song Contest in Tel Aviv in May this year. When 4X64S went QSY to 21.006 MHz I had an immediate QSO!

Weekend 20 & 21 April 2019. Joined the CQ MM DX contest Saturday afternoon. The 20 meter band was open and I worked stations from Mongolia to Tennessee in the afternoon and Brazil in the late evening. Used N1MM logger with the special CQMMDX module. Super simple.

The ARISS tracker

Real-time position Space Station

Real time tracker

The following frequencies are currently used for Amateur Radio ISS contacts (QSOs):    Voice and SSTV Downlink: 145.800 (Worldwide)
    Voice Uplink: 144.490 for ITU Regions 2 and 3 (The Americas, and the Pacific and Southern Asia)
    Voice Uplink: 145.200 for ITU Region 1 (Europe, Russia and Africa)
    VHF Packet Uplink and Downlink: 145.825 (Worldwide)
    UHF Packet Uplink and Downlink: 437.550
    UHF/VHF Repeater Uplink: 437.80
    UHF/VHF Repeater Downlink: 145.80

Call Signs in Use

The following call signs are available for use on the ISS:

  • Russian: RN3DX
  • Packet Station Mailbox: RS0ISS-11 and RS0ISS-1

Other call signs may come into use as the station and crew change.


  Some pictures of my shack

Radioshack information: Registration number at Dutch Administration: 6629107.
Above pictures are from May 2011 onwards.

G5RV junior, best suitable for 160, 80, 40, 30, 20, 17, 15, 12 and 10 meter bands with an external ATU and ATU extender, sloping dipole. Highest point apporox. 10 meters. Lowest point: 4 meters.
Diamond V-2000 vertical for VHF/UHF (6 m, 2 m and 70 cm) usage. Height of the antenna: approx. 10 meters.
Diamond X30N VHF/UHF (2 meter and 70 centimeter) antenna for field work.
MFJ-1768 Yagi for the 2 meter and 70 cm bands, also for field work.
MFJ1022, active indoor antenna for receive only.

ATU and other auxilliary equipment:
MFJ 925 autotuner, MFJ 914 auto tuner extender.
Tigertronics SignaLInk USB to connect the audio from FT-450 to PC and vice versa. For digi modes.
SWR meter
TNC-X modem for Winlink usage
SignaLink USB for Digi modes
Dummy HF antenna
K-PO power unit
13.8 Volt distribution panel  MFJ-1128
West Mountain Radio PWRgate PG40S, allowing automatic battery backup when regular power fails.
90Ah GEL battery system with USB, Neutrik and Anderson Powerpole connectors.

Ham Radio de Luxe with DM780 software for transceiver control (CAT), logging and digimodes version
N1MM for contests
Winlink 2000
RMS (Radio Mail Server)

Transceiver (RIG):
max. output: 100 Watt
All amateur bands, incl WARC and (modified for) all maritime bands
CW, SSB, PSK31 and FM on 28 MHz and 50 MHz.

output: 5 Watt
VHF/UHF, 144 MHZ and 430 MHz amateur bands.

hand held for 2 meter maritime, 2 meter amateur and 70 cm amateur bands.
Output 8 Watt
FM and FM Radio bands.

YAESU FT-7900 dualband (2m and 70 cm) transceiver
modes: FM and AM.
Output 50 Watts (2 meter) and 45 Watt (70 cm)
Attached to my TNC-X packet modem to work with Winlink (Paclink) thru the PI8HGL RMS on 144.850 MHz. Try me on

vintage YAESU FT-7
max. output: 10 Watt
bands: 80, 40, 20, 15 and 10 meters
CW, USB and LSB only.

Extra receiver:
Vintage SAILOR R-104
MW, LW and SW 80 and 160 meter bands
AM, A1, A2 and USB only.

Straight CW keys (Junker and Kent), a Begali paddle and a HAM Gadgets Master Keyer MK-1 complete the ability to use Morse during the QSO's. Click here for the CQ serenade

HomeI am a member of the PI4HAL association and work the on board radio-station mostly one day per week, using a Yaesu FT-897, an ICOM-271, ICOM-765, a Skanti and/or a Yaesu FT-1000. The station is on board the former cruise ship s/s Rotterdam and is now a hotel/museum ship operated by WestCord hotels.We have a team of about 10 operators and 5 technicians. We are still looking for more operators as it is our ultimate goal to operate the shack every day of the week. So if you are interested please don't hesitate to visit the PI4HAL site (click on the logo at the left) and send an email. Or you can send me an e-mail. HERE you get access to the PI4HAL newsletters (in Dutch).

I also joined the DARES foundation in 2011 and have already done quite a few field tests. I am part of a so called SIGCO team.

Free counters!






Why is a ship called she ? A ship is called a "she'' because there is always a great deal of bustle around her. There is usually a gang of men about, she has a waist and stays. It takes a lot of paint to keep her good looking. It is not the initial expense that breaks you, it is the upkeep. She can be all decked out. It takes an experienced man to handle her correctly. Without a man at the wheel, she is absolutely uncontrollable. She shows her topsides, hides her bottom and, when coming into port, always heads for the buoys. When you see her lying at the berth, you are proud of her like she is your attractive girlfriend.

          me in the shack     | Gerard in the museum | Wil and Karel at the antenna's

Announcement from Agentschap Telecom:

On 3 December 2015 at 00:00 hrs the 60 meter band became available for Dutch hams.

As per 1 April 2017 significant limitations have become effective though.


15 watt e.i.r.p.




So the usage of the band is now limited to between 5,351.5 MHz and 5,366.5 MHz with a max power of 15 Watt EIRP. We used to have the band from 5,350 MHz to 5,450 MHz with 100 Watt PEP. So I don't think this band is still very attractive for DX. The full legislation can be read HERE (in Dutch). Want to know how much EIRP is in relation to PEP? HERE you can find the calculator.

On Tuesday 24 November 2015 I saw Andorra station C37N had confirmed our QSO in LoTW completing my 100 DX count in my DXCC Award tally from ARRL LoTW. So I have applied for 'the Certificate'. See below.

New LoTW QSLs LoTW QSLs in Process DXCC Credits Awarded Total
Mixed 0 0 100 100 100

At the beginning of this year 2015 I had hoped to achieve this goal this year and so I did even well before the end of the year. Of course most of the credit goes to the hams who have confirmed our QSO's in LoTW. Thanks YL's and OM's.

My chances of getting a 200 DXCC credit Award are small as I have worked most of the DX's I can reach with my current station set up. But who knows? Writing 1 September 2019, I have 116 DXCC's though as a few QSO's from quite some time ago have recently been confirmed, like Bermuda, Cuba, Albania, Ceuta and Melilla, and San Marino. So I am still adding to my list. Like the one from ITU HQ.

In addition to the 100 DX list, the latest additions are:

DXCC Entity Mixed

 The following Dutch call signs are also listed in the ARRL tally for 100 DXes worked.


On the top of the list is 4X4DK who has worked 394 DX entities! I wonder though how that can be as ARRL says they have listed 'only' 340 DX entities. Wim PA0WV explained me how: in time quite a few entities have disappeared (like e.g. the DDR) and others emerged.


See above video to learn more about DX-ing.

Lesson to learn and use Morse code:


Much to my surprise I received a 'worked 100 grid squares' award on my old call sign: PD3TRU, which I have not been using since March 2014. The big black dot in the lower left corner is in fact a golden 'Certified QRZ authentic' stamp that my scanner wasn't able to reproduce apparently J.

Image of QSL card with burning ship ms Prinsendam

Click on this picture about the engine room fire on board the m/s Prinsendam/PJTA and the rescue of well over 500 passengers and crew on 4 October 1980 in the stormy Gulf of Alaska. It still took a week for the ship to sink beyond salvage. Listen to the MP3 audio file with the SOS transmissions starting with the transmission of 12 long dashes of 4 seconds each (twice) to activate the Automatic Alarm Systems which ships had installed those days giving an alarming chime in both the radio room and the bridge during times the R/O was off duty. See also this article. I remember to have sailed under captain Wabeke when he was a first officer on the s/s Nieuw Amsterdam/PGGF (/PJRS when under the Antillian flag). There is now also a new book, written by Matthieu Oosterwijk:

PC4Y as a rookie R/O on board s/s Nieuw Amsterdam (1969)

Click HERE for ancient Morse transmissions from various coastal stations

All about decibels:


CW Forever


  • You must have at times,
    Thought into the past,
    Where some things go out
    While others last
    What comes to my mind is
    The old Morse code,
    That has weathered the storms
    From any abode.
  • To talk with ones fingers
    Is surely an art,
    Of any info you
    Care to impart,
    In most conditions
    The signals get through,
    While the same about phone
    Is simply not true.
  • Those dits and dahs
    Cut through the trash,
    Of near by noise or
    Lightning's crash.
    To the sensitive ears
    Of the hams receiver,
    Who records this data
    With ardent fever.
  • He knows he's doing
    Something unique,
    (in such poor conditions,
    That's quite a feat)
    To roger the message
    That came off the air,
    These brass pounders
    Sure do have that flair
  • They say Morse ops
    Are a dying breed,
    But don't despair,
    There's always that need,
    That when conditions get rough
    for the new automation,
    Be rest assured,
    There'll be need for your station.
  • CW is dying?
    Believe it never,
    This mode will be 'round
    Forever and ever.
    But one thing is sure,
    What we really need,
    Is to relay our knowledge
    To the younger breed.
  • To carry the torch,
    Long after we're gone,
    To send Morse code
    Through the air like a song.
    When at last,
    Silent keys pull that lever,
    We can rest in peace,
    It's CW forever.




Written by:
Jim Hatherley, WA1TBY (SK)

A promo video about HAM radio. Made in 2014 by VERON. In Dutch. But pictures speak for themselves.