28 February 2012
HP 1741A Oscilloscope
Performed some simple tests (see video clip below) with the Hewlett-Packard 1741A Oscilloscope (100 MHz) and collected information.
Hewlett-Packard Journal September 1976 (PDF)
1741A Oscilloscope Operating and Service Manual (PDF)
I did not check the HP Active Probe 41800A 5 Hz - 500 MHz together with power supply HP 1121.
Agilent 41800A Atcive Probe - Operation Note (PDF)
Kjell & Company, a Swedish electronics shop, sells a cheap, ca. 40 USD, oscilloscope 100 MHz probe set called Uni-T oscilloskop-prob.
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APRS - LIVE MAP
You can see where I and some other radio amateurs are driving or are located for the moment. Get the live map from aprs.fi or click on a link below (maximum 300 stations per search are shown)
SM0FOB Kjell SM0XDO Petri SM7EQX Leif SM-stations SA-stations SK-stations OH-stations OZ-stations LA-stations
How this system works is explained here
The live map below is showing my fixed position or my car´s position, speed, direction and height a. s. l.


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