[AMRadio] AM worldwide

[Daniel Artaud F6BRD]

Hello

AM activity is well alive in France and is growing slightly. I think we 
are around one hundred as we can have more than 50 stations during the 
"AM nights" an event which takes place 2 times per year at each time 
change. The bands used are mainly 80 m and more rarely 40 m. The 
equipments used are restored military ones, home made or commercial 
Heathkit, Geloso, Ecreso... SSB/"AM" transceivers are almost 
non-existent. The ART13 is the more common military transmitter used; 
some years ago it was possible to buy rebuilt ones (around early 60's) 
in original packaging for 150€.
The power used is around 100w and up to 500w carrier.
Apart from AM nights French AMers are used to meet on 3600 kHz in the 
morning up to 09H00 local time and in the evening from 18H00 local time.
For more about French Amers activity see: www.araccma.com/

Equipment used: Heathkit Apache w/o audio preamp/limiter, Collins ART13, 
Rohde & Schwarz ESH2, Optimod TV SAP with adaptive preemphasis modified, 
low-pass filtered to 6 kHz but still some work to do to reduce overshoots...

73 de Daniel, F6BRD


Le 21/08/2018 à 16:18, CL in NC via AMRadio a écrit :
> As a new ham, almost 50 years ago now,  being brave enough to put a DX60 on 20 meters and getting 'your carrier is not nulled' reports in the era of rigs that had that control on the front panel, like Swan, I worked the world on 10 meter AM.  Seemed there were plenty on the air when the band was open.  Australia and Nova Scotia contacts with my DX60 and homebrew 3 element 10 meter beam were common.  England seemed to have a pipeline to my QTH, but perhaps the number of stations who reported their antennas as Rhombics was the cause of that.  Learned more about rhombics, single wire, multi wire, low vs high, terminated and unterminated from G land than from any book.
>
> As I was reading a 1992 ER mag, one of the pics was of a Japanese Hamfest and a note about AM activity back then in Japan.  That got me to wondering if any of you know what level AM is pursued currently  in the rest of the civilized world, or has it been banned in some countries?  Do other places have active AM groups?
>
> Charlie, W4MEC in NC
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