Opgepast ! ! ! ! Warning.
De website is momenteel over gezet naar pure HTML. Mochten sommige links nog niet correct werken, laat het mij zeker weten.
The website is transformed to pure HTML. If links are not be working, please let me know so I can fix them asap.
06/02/2022
Welcome on my web-home.
Hi, welcome on my website. here you can peep at the things I use to spend my time on.
For those not knowing what a HAM is, what the ON7AMI stands for, I am a radio amateur,
a strange guy talking to other as strange guys in the rest of the world. The 'talking'
happens from time to time in short and longer bieps called 'morse' (named after the man who
invented the strange language). Most strange, the talking is not the most important thing,
I (and many others) do it just for the fun of the technical stuff.
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If I do the wizzy thing, I change my name to ON7AMI (that's the name given by the Belgian
Institute of Post and Telecommunication) The name is unique and all wierdies over the whole
world have such a unique name. We even are obliged to use this name.
Apart from radio amateurism, I am mainly concerned with fundamental (and also experimental) physics.
More specifically in the field of electromagnetism and cosmology. This is very close to the astronomy
that I have as a hobby.
Other hobbies are Astronomy, Arabic language and Music (I play the recorder, the violin and piano).
For the other wierdies:
op: Jean (Paul Mertens)
qth: Zevergem nr Ghent
build: 1957
rig: c other pages.
Enjoy your visit...
To all of you ever worked me, tnx to be part of my dreams...
73 = hpe cuagn on air.
21/05/2014 - last update: 25/01/2022
Exploring Meteo and Climate...
Home-Brew Meteo station on-line.
Na lang experimenteren en testen is het ervan gekomen om de gemeten "Meteo Data" on line te zetten.
Momenteel zijn de metingen beperkt tot temperatuur, vochtigheid en luchtdruk met een respectabele resolutie en nauwkeurigheid.
De gegevens worden draadloos (over wifi) verzameld door een zelf geschreven Weather-Data-Collector die de verzamelde
gegevens bundeld en doorstuurd naar Weather Display, een programma
dat de data verder verwerkt en bijkomende berekeningen uitvoerd zoals trends, hoogte van de bewolking enz...
Dit programma maart een XML file aan die iedere 5 minuten daar de webserver wordt doorgestuurd.
Voor de metingen zelf wordt een microprosessor module gebruikt,
Particle Photon, met wifi aan boord
en die compatibel is met Arduino(c). De meeste bibliotheken voor Arduino(c) werken zonder aanpassingen.
De metingen kan je reeds bekijken op De Meteo hoofdpagina.
Binnenkort een beschrijving van het station, de bouw, de gebruikte sensoren en de software...
11/11/2016
Exploring APRS and more...
Activating APRS I-Gate ON7AMI-10 on-air now
Click here for more info
You want to folow? try aprs.fi
Next step is building an automatic home station with Raspberry PI - TNC and old Icom portable.
Come back to observe evolution...
01/09/2015 - 25/07/2016
Nacht van de duisternis 2015
"Night of the darkness" an event where as many lamps are switched off in order to create a very dark night.
We benefit from this to look at the starry sky with the visual telescope and a radio telescope
This year too many clouds for visual observations but the Earth moves through a meteor cloud.
The radio telescope can see through the clouds so it will be a learning experience for the visitors.
Canon EOS 1100D in prime focus op een gemodificeerde Skywatcher Explorer 130P/650 op EQ5 SkyScan met Baader 2” Koma Korrector en TS 2” ACUN2 motor focusser
To see more, click here....
10/10/2015
Blood Moon from 28/09/2015
The Moon passing through the shadow of the Earth and this while in a super moon status.
The distance between Moon and Earth is minimal wat makes the moon seems bigger than normal.
An unique view asks for unique pictures.
Canon EOS 1100D in prime focus op een gemodificeerde Skywatcher Explorer 130P/650 op EQ5 SkyScan met Baader 2” Koma Korrector en TS 2” ACUN2 motor focusser
For more Pictures click here....
28/08/2015
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Astronomy - Started to publisch my observations
Na enige jaren experimenteren, zoeken, studeren en testen, is het ervan gekomen een en ander te publiceren.
Beetje bij beetje zullen de observaties gepubliceerd worden.
After several years of experimenting, searching, studying and testing, I started to publish a few things.
Little by little, the observations will be published.
Opmerkingen, vragen enz., laat maar komen. - Comments, questions etc., let them come.
30/12/2014 - last update: 25/01/2022
Review and Solutions of Physics For Engineers And Scientists International Student Edition
A very useful book, as an acompagnion to MIT 8.01 course Physics. All of the lectures can be found on YouTube
Lectures by Walter Lewin. They will make you ♥ Physics.
The book contains a lot of problems, the result of the odd numbered problems are in the back of the book.
I'll try to deliver here all sollutions explained and presentated in an Jupyter Notebook format and
using Python to calculate the results.
18/07/2018
Where to find me.
Mainly active on 40m in CW or on the local ATV frequencies.
For making rag-chew QSO I use my old WW II straight key on a moderate speed, so I don't have to torture my brains .... ..
O mensen, Wij hebben jullie uit een man en een vrouw geschapen en Wij hebben jullie tot volkeren en stammen gemaakt opdat jullie elkaar zouden kennen.
O mankind! Lo! We have created you male and female, and have made you nations and tribes that ye may know one another.
يَا أَيُّهَا النَّاسُ إِنَّا خَلَقْنَاكُم مِّن ذَكَرٍ وَأُنثَىٰ وَجَعَلْنَاكُمْ شُعُوبًا وَقَبَائِلَ لِتَعَارَفُوا ۚ إِنَّ أَكْرَمَكُمْ عِندَ اللَّـهِ أَتْقَاكُمْ ۚ إِنَّ اللَّـهَ عَلِيمٌ خَبِيرٌ
[Quraan 49:13]
15/05/2014
Radio Astronomy: Meteor observations
Started a Meteor radio-observation station.
The goal is that all observations and the results will com automatically on-line so that
who wants can, use them or compare with his results.
The station is on-line and awaits a lot of programming to automize the publication on
the website.
11/11/2012
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