VLF
experiments
Alexanderson alternator
Grimeton Radio/SAQ 200kW 17,2kHz (Mode: A1A)
Picture from QSL-card for report on
2002-06-30 (RST 599)
see further notes below about transmissions on July 4th.
c. Technical reflections
(Reflecties door LA8AK)
L.1 VLF, MF and 136kHz equipment
ideas
L.2 Aerials for VLF and 136kHz
L90 136kHz VFO suggestion
m. Measuring instruments
m2
Modification of Siemens D2006 level meter for LF CW operation
c97 Technical ideas to discuss
994
technical topics index
GBR on 16kHz is QRT, read the story at http://tx.mb21.co.uk/rugby/
 Remotely tuned loop antennas |
 Remote fed active antenna |
 136kHz converter |
The 17.2kHz ALEXANDERSON
alternator CW transmissions on 2004-07-04
08:30 UTC
10:30 UTC
12:30 UTC
The UNESCO Committee will have a meeting in Beijing, China in the
last week of June, and will then decide whether Grimeton Radio
will be included in The World Heritage List, or not. So the
message sent on Sunday July 4th will include information about
the result. We keep our fingers crossed!
The Radio Station will be open to visitors 10:00-16:00 Swedish
time.
The number of visitors has increased noticeably during the last
years, from 300 to 500 and last year to almost 800. The weather
has been extremely good, so far.
We have had some problems with the keying of the transmitter last
years and hope it will be better now. "Dots" has been
missing quite often (not the operators fault!!).
The amateurs will operate a transmitter with the call
"SA6Q" on 20 meter band during the day: 14.035 MHz CW
and 14.215 MHz SSB
QSL for both "SAQ" and "SA6Q" via:
E-mail: info@alexander.n.se
Fax: +46-340-674195
Mail: Alexander - Grimeton Veteranradios Vaenner, Radiostationen,
Grimeton 72,
SE-430 16 ROLFSTORP, SWEDEN
or via SM-bureau.
For further info see our web site: www.alexander.n.se
Regards
SM6NM/Lars
------
It was heard all over the world in 2003, and very
strong in Italy, here in South Norway it was 0.5mV on my active
antenna, still it was severe difficulties to receive it because
of a lot of interference signals close to the signal. It can't be pointed strong enough that
you may not have a chance to hear it without a rather shart cw
filter. My Siemens D2006 level meter has 80Hz bandwidth filter,
but the problem was high pitch - 1800Hz, so some modication had
to be carried out before it could be used to receive such signal.
2005.03.14