PE4KH Amateur radio - Koos van den Hout

Most recent QSO's for PE4KH

Callsign Band Mode Locator RST(R) RST(S) Satellite
LZ1YE20MFT8KN22-14-09
S5030XX20MFT8JN65+08+08
OE3WWE20MFT8JN78+05-08
R9RA20MFT8MO25-03-13
EA1IOK20MFT8IN62-08-06
HA3PT20MFT8JN96cb-05-21
HA1BF20MFT8JN86ks-11-10
DG3GTM40MFT8JN38ue+00+01
OE120AGD40MFT8JN77rb-11-11
II8IHBC40MFT8JN62ks-09+02
OH6FSO40MFT8KP12+00-15
HB/SQ8RFU40MFT8+04-13
9A1BN40MFT8JN75-03-13
ZL4AS40MFT8RE43vt-13-20
HF5A40MFT8JO92-09-07

I passed my novice radio amateur exam in March 2013 and I registered the callsign PD4KH (pappa delta four kilo hotel!). I passed my full radio amateur exam in March 2016 and I registered the callsign PE4KH (pappa echo four kilo hotel!).
PE4KH on qrz.com PE4KH on twitter

I am usually located around maidenhead locator: JO22NC

QSL policy for PE4KH

I upload logs to eQSL.cc and ARRL Logbook of the World, during and after being active on the radio. I upload logs to www.qrz.com and clublog on a regular basis. I like paper cards via the QSL bureau so I send those out when requested or when I think the other party will appriciate one and I will respond when I receive a card. You can also request a card via the Log Search on clublog for PE4KH using the OQRS service. Notifying me via e-mail that you would like a card is also possible.

I appreciate SWL reports for QSOs and will respond.

gallery of eQSL cards received by PD4KH, PE4KH, PE4KH/P, DL/PE4KH.

Articles

Antenna rotor project
Amateur Satellites
D-Star digitale amateur radio (Nederlands)

Maps

Recent contact (QSO) map for PE4KH embedded using google maps
gcmwin for linux maps with gridsquares contacted (red) and confirmed (blue) :
Mapped HF contacts by PE4KH
Mapped 10M contacts by PE4KH
Mapped 15M contacts by PE4KH
Mapped 17M contacts by PE4KH
Mapped 20M contacts by PE4KH
Mapped 30M contacts by PE4KH
Mapped 40M contacts by PE4KH
Mapped 60M contacts by PE4KH
Mapped 80M contacts by PE4KH
Mapped 2M contacts by PE4KH
Mapped 70CM contacts by PE4KH
Mapped satellite contacts by PE4KH

The 'hamradio' items from my homepage

2021-09-18 New countries in the log: Trinidad & Tobago, Taiwan and New Zealand
I haven't written about new countries I had contacts with via amateur radio for a while, but today I finally got New Zealand in the log, which has been on my wishlist for a while. Indeed all countries that I don't have in the log yet are on that wishlist, but ranked according to Clublog New Zealand should be the 'easiest' for me.

This morning I had a contact using the FT8 mode with ZL4AS on the 40 meter amateur band. This means a contact over a distance of 18726 kilometers. And by the time I write this the contact is already confirmed via Logbook of The World.

The previous new country was Taiwan, last Wednesday using FT8 on the 20 meter band. That contact was with amateur station BU2FF who also confirmed very fast.

And a while ago I had a contact with a station in Trinidad & Tobago but I haven't seen confirmation yet.

So I am still going strong with contacts on amateur radio, sometimes finding that rare opportunity for a new country.

2021-09-15 Linux, serial devices that aren't modems and modemmanager
9 pin serial connector closeup from https://commons.wikimedia.org/wiki/File:9_pin_d-sub_connector_male_closeup.jpg
9 Pin serial connector closeup
Source https://commons.wikimedia.org/wiki/File:9_pin_d-sub_connector_male_closeup.jpg, license public domain
I always noticed that I had to plug in the USB cable for the remote radio with the radio switched off, otherwise the Kenwood TS480 would switch into transmit mode and stay there until I powered the radio off.

Annoying, and I thought it was something in the serial initialization. Recently I was thinking about this and remembered something about query sequences on serial devices triggering weird behaviour in other devices. From what I read about the Kenwood serial protocol the chance of a few stray characters changing something in the radio is quite possible.

So I considered what Linux software could do a query as soon as a serial port is added to the system. Well, modemmanager was the ideal candidate for this:
Package: modemmanager
[..]
Description-en: D-Bus service for managing modems
 ModemManager is a DBus-activated daemon which controls mobile broadband
 (2G/3G/4G) devices and connections. Whether built-in devices, USB dongles,
 Bluetooth-paired telephones or professional RS232/USB devices with external
 power supplies, ModemManager is able to prepare and configure the modems and
 setup connections with them.
And indeed, simply removing modemmanager made the problem go away. I can now plug in the USB cable when the radio is on and nothing happens.

2021-08-17 Specific categories in contests can help win
I received the results of the Canada winter contest I participated in last December and my remark In total I got 3 different Canadian stations in the log and I entered my log. It won't be the winner in the DX category, but I appreciate the fact that the Radio Amateurs of/du Canada organize this so I do my part in making the scoring possible. works out differently: I am "First Place for The Netherlands in the category Single Op Single Band 20 meter".

2021-07-24 I participated in the King of Spain SSB contest
At the end of June was the King of Spain SSB contest and I participated for a while. I just never wrote about it, but this week the log check report came in. With... 0 errors!

In total I made 34 contacts, 2 on the 15 meter band and 32 on the 20 meter band. So I entered as all-band station and I won't be ranked very high. I used the remote radio to get good reception on HF and have access to the 15 meter band.

2021-07-12 I participated in the IARU HF World Championship 2021
This weekend was the IARU HF World Championship contest and I participated after fully planning this in advance. I made sure my contest logger was set up and communicating with the radio and the morse keyer in advance.

I participated on the 10, 15, 20 and 40 meter bands. In total 125 contacts. 70 in SSB (speech) and 55 in CW (morse).
Band   160   80   40   20   15   10
QSO's    0    0   32   53   32    8
Mult     0    0   22   24   13    8

Pts: 381  Mul: 67 Score: 25527
I had more trouble decoding morse than I hoped for and conditions weren't ideal. Not a lot of stations outside Europe, a few Asian ones and one US station in morse.

First conformations showing up on Logbook of The World, which gives me Bosnia-Herzegovina on 15 meters confirmed and Bosnia-Herzegovina and Switzerland confirmed in CW. Always nice to get some new things in the log but I usually only see that after the contest.

Raw score calculation when I submitted the log:
261 Qpts x 65 Mults = 16,965 (one or more Zones/HQs in the copied exchange not recognized).
I guess the problem with the exchange is with EO0HQ in Austria giving OV and not OVSV as expected but I am 100% sure I copied that correctly.

2021-06-23 Terug naar de Draytek Vigor 130 met modem6 DSL driver
Om in de toekomst alle opties open te houden heb ik het Draytek Vigor 130 modem voorzien van firmware 3.8.4.1 met modem6 DSL driver. Ik ben erg benieuwd naar de stabiliteit als ik actief ben op amateur banden onder 17 MHz, en ik wil weten hoe dit nu werkt op de lange termijn.

Screenshot raised ping time Bij de eerste testen met sterke signalen op de 20 meter en 40 meter band blijft de verbinding in ieder geval in stand, ik zie alleen een klein beetje packet loss bij de eerste signalen. In ieder geval geen volledig verbreken van de verbinding.

De latency is wel weer toegenomen, de verbinding is weer interleaved helaas. Opvallend is dat er later meer uitschieters kwamen in de latency voor IPv4 verkeer. Dat begon ongeveer omstreeks de tijd dat ik de test met radio signalen deed.

En nu weer een MTU van 1500 bytes op de ppp verbinding.

2021-06-20 Ik luister ook eens wat marifoon kanalen
Gisteren op een zeilboot geweest en vanuit mijn hobby als radioamateur was ik natuurlijk ook benieuwd naar de radio aan boord. Daar werd niet veel mee gedaan omdat de eigenaar van de zeilboot nog geen marifoon bedienings certificaat heeft. Verder leuk een stukje mee gevaren. Ik heb geen idee van zeilen maar met iemand er bij met kennis en inzicht is het leuk om mee te maken.

Dat was natuurlijk wel aanleiding om me eens te verdiepen in de ontvangst van het marifoon verkeer. Hier in Utrecht is er niet zoveel te beleven maar er zijn een paar bruggen en sluizen met misschien wat verkeer wat ik zou kunnen ontvangen. Dus ik heb de programmeerkabel voor de QYT KT-8900 opgedoken en na wat zoeken deed deze het weer. Marifoonkanalen en gebruik gevonden op Marifoon kanalen en marifoon frequenties en de frequenties via Overzicht VHF marifoonkanalen - frequentieland en daarnaast nog Marifoonkanalen Nederland - Binnenvaart kennis.

Uiteindelijk een set kanalen gevonden die kans gaven op verkeer en deze in de radio geprogrammeerd. Puur voor ontvangst, niet om daar ooit op te willen zenden!

De kanalen en frequenties waarvan ik denk dat ze interresant zijn:
KanaalFrequentie schipFrequentie walGebruik
1156.050 MHz160.650 MHzCentrale meldpost IJsselmeer
6156.300 MHzSimplexIntership
10156.500 MHzSimplexIntership
13156.650 MHzSimplexIntership
15156.750 MHzSimplexIntraship
17156.850 MHzSimplexIntraship
16156.800 MHzSimplexNoodoproepen
18156.900 MHz161.500 MHzSluizen en bruggen, Merwedekanaal
20157.000 MHz161.600 MHzSluizen en bruggen
22157.100 MHz161.700 MHzSluizen en bruggen
61156.075 MHz160.675 MHzVerkeersbegeleiding blokkanaal Maarssen Amsterdam-Rijn kanaal
72156.625 MHzSimplexSociaal
77156.875 MHzSimplexSociaal
84157.225 MHz161.825 MHzSluizen en bruggen
85157.275 MHz161.875 MHzSluizen en bruggen
Een deel van de kanalen zoals die voor sluizen en bruggen hebben een aparte schip en wal frequentie. Dat zorgt natuurlijk dat de brugwachter of sluiswachter altijd het woord kan nemen en een mededeling kan doen zonder dat er een radio vanaf een schip doorheen kan storen.

Met het lezen over marifoon gebruik en kanalen is het wel duidelijk dat het allemaal zeer goed gestructureerd is en gebruikers dienen te weten welk kanaal voor welk gebruik is en hoe de procedures zijn. Sociaal gebruik was eerst helemaal niet de bedoeling, bij uitbreiding van de kanalen is daar iets ruimte voor gekomen. De frequenties laten zien dat de uitbreiding van de beschikbare kanalen is gekomen door het overschakelen op een ander kanaalraster.

Dus nu staat de radio constant deze frequenties en daarnaast diverse amateur frequenties en pmr frequenties te scannen. Voorlopig is de conclusie dat het vrij rustig is op de marifoon kanalen en dat als ik wat hoor de communicatie volgens nette regels gaat en vrij kort is, er is duidelijke etherdiscipline. Daarnaast hoor ik op PMR kanaal 7 soms een babyfoon en soms gesprekken die me het idee geven dat een restaurant dat kanaal gebruikt voor communicatie. Ik denk dat ze elkaar niet horen, ik heb een veel hogere antenne.

2021-05-31 I participated in the CQ WPX CW contest 2021
This weekend was the CQ WPX CW contest 2021 and on Saturday I had some time to participate between family things.

I started on the 10 meter band and stayed there: I managed to get 29 contacts in the log on that band, there were good signals across most of Europe.

I had fun and surprised myself by decoding some morse by ear better than my computer (yes, I consider this very assisted when I use both spotting networks and a morse decoder). I noted a serial number 246 that my computer completely did not decode so I wasn't very sure. The next serial number was indeed 247 so I got it right in one go!

Claimed score is 812 points. I'll see what happens when the logs are checked. At least contesting is good for other rankings: I now have Poland and Lithuania confirmed in morse.

Items before 2021-05-31
This page is created by Koos van den Hout, reachable via e-mail as my callsign @ idefix.net.
Other webprojects: Weatherstation Utrecht Overvecht, Camp Wireless, wireless Internet access at campsites The Virtual Bookcase book reviews
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