Hi Stefan,
Hope this not turning into a 20-watt ERP beacon.. ;-) Well just
kidding, but see calculations below.
AFAIK, we are still limited to 1 W ERP in this country since some
borders are less than 800 km away from the 'primary' users. Not
sure if this will change - anyone out there with more info ? From
the old (preliminary?= text at at
http://www.bundesnetzagentur.de/SharedDocs/Downloads/DE/BNetzA/Sachgebiete/Telekommunikation/Regulierung/Frequenzordnung/Amateurfunk/AmtsblattverfuegungenAFu/Mitteilung3862012NutzungFreqBereich472_479kHz.pdf?__blob=publicationFile
>
Es wird darauf hingewiesen, diese Regelung sensibel anzuwenden,
Störungen zu vermeiden und die
maximale Leistung nur dann auszuschöpfen, wenn es zur
Aufrechterhaltung einer Funkverbindung
oder für experimentelle Zwecke als zwingend notwendig erachtet
wird.
<
Anyway, make the best of it, and add a few taps at the output
transformer to step down the power if necessary. Remember Andy's
nice EIRP calculator (xls) ?
Effective antenna height = 10 meters
Capacitance = 260 pF (guesstimate but realistic for a medium sized
antenna)
Total resistance = somewhere around 31 ohms
Power input = 700 Watts
-> EIRP = 27 Watts
Good for DX but not for the license.
73, Wolf .
Am 03.01.2013 18:28, schrieb Stefan Schäfer:
