Hello Juergen,
Congrats , it is very amazing what we can do with indoor antenna. That is what I was using when I began 50 years ago, because when I was a teenager, I lived with my parents in apartment.
At that time I used a home made vertical in my room, 2,3 meters high, just enough to clear the ceiling, Hi! and had a lot of fun for many years.
I worked 5 different stations in the ARRL centennial QSO Party, and I worked also W1AW/KH2, I was so happy for this one, because Guam Is, is in Zone 27, and it is the only zone I needed for my WAZ.
Award.- Plus a new country for me.
Now I have to wait the QSL to apply for that one.
15 meters is a very nice band to work all kind of exotic stations around the world, and most of all the antenna is small enough, that we are able to install it somewhere. The same with 12 & 10 meters.
HC2SL, is very active on all band, I worked him on bands 40 thru 10, but JT1AA/3 is very rare. We do not hear Mongolia very often. Here I worked this country only twice in 50 years.
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For your information, the most difficult award to get, was the:
CANADIAN QRP AWARD, it took me years to achieve.
You have to work all ten Provinces, plus the 3 territories, at that time there were 4 territories.
1- Labrador, VO2 is now part of Newfoundland VO1, but it was a separate one years ago.
2- Yukon territories VY1
3- Northwest territories VE8
4- Nunavut, VY0
The last time I worked Labrador, it was in 1990.
The last time I worked Yukon, it was in 1986, and in 2001 with VY1JA on 6 meters 2 X QRP
The last time I worked Northwest territories, it was in december 2011, where I worked 4 new ones. And the conditions were really great.
The last time I worked Nunavut, it was in 2008, I worked VE8RCS/VY0 to commemorate the 50 years of the old military base of Alert.
And the others are ST-PAUL ISLAND, CY9, inhabited small island 15 KM north east of the northeastern tip of Cape Breton Island. The only chance to work CY9 is via some Dxpedition.
The last but not the least, is CY0, Sable Island, 150 Km South east of Halifax Nova Scotia, which is a Canadian Park and also use as a studying place for scientific community. Sometimes there are some dxpeditions there.
So as you can see, it is very difficult, challenging, and hard to work them all in Canada.
And there are many reasons for this, which I should explain in more depth in another post.
Hope to see you on the bands sometimes, it would be fun
Good dx'ing, and keep on the good work in QRP & Indoor antennas, it is really Great!!
72 Michel\ Back to the radio... didit..