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Total 66 documents matching your query.

21. Re: Topband: ADC Overload from MW transmitters (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Tue, 20 Oct 2015 09:50:07 +0200
I guess it was a SDR-1000 or Flex5000 73 Peter Come on Bill ... did i say you did ? Now, you said that you always read well written info from Tom, I didn't see that structure ... Id like to know what
/archives//html/Topband/2015-10/msg00145.html (14,543 bytes)

22. Re: Topband: 160m LP to LP DX contacts in 2015 (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Thu, 17 Dec 2015 20:42:55 +0100
Strange, I work a couple of stateside stations and more then 50 countries every year in CQ160m qrp. 73 Peter I thought I would try and see what 5 watts could actually in fact really do on TB. Using a
/archives//html/Topband/2015-12/msg00216.html (8,665 bytes)

23. Re: Topband: ARRL 160CW Contest QRP Portable Op (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Thu, 24 Dec 2015 22:36:20 +0100
Qrp on 160 is fun: CQ WW CW this year: SOSB/160 QRP Call QSOs Zones Countries Op Time Score Club GM4AFF 409 11 52 16 27,657 K9JWV 16 7 5 496 SOSB(A)/160 QRP Call QSOs Zones Countries Op Time Score Cl
/archives//html/Topband/2015-12/msg00331.html (12,186 bytes)

24. Re: Topband: ARRL 160CW Contest QRP Portable Op (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Fri, 25 Dec 2015 01:07:26 +0100
Herb, I donīt call CQ when I do qrp on 160m during a contest, just call stations running and concentrate on finding mults and DX for best scoring. This year I worked 30 VE/W, but assisted which helpe
/archives//html/Topband/2015-12/msg00334.html (14,152 bytes)

25. Re: Topband: ARRL 160CW Contest QRP Portable Op (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Fri, 25 Dec 2015 18:34:55 +0100
In Germany it is by rule of our authorities not use to use other appendages then /m /mm /am or /p. But there are always some rule breakers... 73 Peter I NEVER work any lid signing /QRP. 73, Jim K9YC
/archives//html/Topband/2015-12/msg00352.html (9,528 bytes)

26. Re: Topband: Stew Beef (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Fri, 8 Jan 2016 20:26:49 +0100
How? I donīt remember any rig at that time showing signal strength correctly and I started in the hobby in 1958. Only a few modern SDR rigs do it nowadays. And how to you report genuine signal streng
/archives//html/Topband/2016-01/msg00146.html (9,220 bytes)

27. Re: Topband: 160 m inverted L (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Wed, 9 Nov 2016 17:14:15 +0100
My elevated radials are now 24m up but sloping. Big difference to before where I tried 4m high radials. I went from a T-vertical to a driven tower with top load as an elevated groundplane some years
/archives//html/Topband/2016-11/msg00056.html (10,624 bytes)

28. Re: Topband: 160 m inverted L (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Wed, 9 Nov 2016 17:57:51 +0100
Think of a dipole close to the ground, it will not be efficient with all that coupling to earth and resulting losses. 73 Peter I recall reading from Ralph Holland that 0.015 wavelength was a good hei
/archives//html/Topband/2016-11/msg00060.html (11,424 bytes)

29. Re: Topband: 160 in daylight (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Sat, 13 May 2017 16:54:44 +0200
Sure it does, why not? 73 Peter I live in Northeastern Pennsylvania, have only been on 160 a month. I hooked up with station in Lacona, NY which is about 200 miles from my QTH. We decided that the ne
/archives//html/Topband/2017-05/msg00025.html (7,010 bytes)

30. Re: Topband: 160 in daylight (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Sat, 13 May 2017 19:44:37 +0200
Yes, VY2ZM on times is still S7-9 on 160m at 11:00 local time at my location in Germany on 160m. And VE1ZZ calls in around 21:00 local time when he is still in full day light, two hours before I hear
/archives//html/Topband/2017-05/msg00030.html (8,574 bytes)

31. Re: Topband: 160 meter 1/4 vertical (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Tue, 4 Jul 2017 00:38:28 +0200
Please check the pattern on 60 and 40m where the 37m high vertical is going to be used. You certainly will see the high angle lobes. 73 Peter The free-space pattern of current in a vertical (and also
/archives//html/Topband/2017-07/msg00006.html (7,906 bytes)

32. Re: Topband: VE1ZZ Jack Leahy (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Fri, 10 Nov 2017 18:20:17 +0100
Sad to hear that. Jeff, please pass my regards to both Opal and Jeff with my best wishes for their health when you contact them again! Jack was always the first NA station to call me during the 160m
/archives//html/Topband/2017-11/msg00066.html (9,406 bytes)

33. Re: Topband: cheating (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Mon, 15 Jan 2018 21:54:33 +0100
And if all stations would be be obliged to feed their transmit and receive audio online and in realtime to a homepage you donīt have that RFI problems either... 73, Peter Read: http://www.arrl.org/dx
/archives//html/Topband/2018-01/msg00191.html (9,372 bytes)

34. Re: Topband: sdrWEB not going in my log (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Tue, 16 Jan 2018 08:45:06 +0100
Yes, there are several hundred sdr receivers online and reachable via the internet. http://sdr.hu/?top=kiwi http://websdr.org/ And when EA3JE takes over the dx portion of 80m with his wide signal and
/archives//html/Topband/2018-01/msg00202.html (8,325 bytes)

35. Re: Topband: low inv-vee (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Thu, 29 Mar 2018 11:36:52 +0200
I never heard a dx station stronger or better on my 30m high dipole then on the vertical, even not broadside to the dipole. For that reason I donīt believe that dx signals on 160m are coming in at hi
/archives//html/Topband/2018-03/msg00126.html (10,698 bytes)

36. Re: Topband: 160M Balun (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Fri, 30 Mar 2018 18:47:44 +0200
Why do you want it resonant? 73 Peter The 160m CM choke needs to resonate lower in freq. It requires more cores to shift the res freq down. _________________ Topband Reflector Archives - http://www.c
/archives//html/Topband/2018-03/msg00167.html (7,216 bytes)

37. Re: Topband: 160M Balun (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Fri, 30 Mar 2018 20:37:25 +0200
Hi Frank, I just donīt see a reason to make chokes self resonant. If one really needs that a parallel resonant LC circuit can be formed with a normal choke and a capacitor. On my 160m dipole the chok
/archives//html/Topband/2018-03/msg00181.html (10,910 bytes)

38. Re: Topband: Beverage Antenna Tuning (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Wed, 4 Jul 2018 23:03:57 +0200
I guess Ashraf wants the BC signal just to optimize for f/b, so no local signal or interference. SWR is irrelevant with a beverage, everything below 3 will be OK and it does its job with higher SWR a
/archives//html/Topband/2018-07/msg00026.html (11,140 bytes)

39. Re: Topband: KH1/KH7Z TopBand Ops Brief (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Sat, 14 Jul 2018 10:17:30 +0200
It seems that nowadays there are many who believe that remote reception was used by others when they were not able to work a dx station. http://k9la.us/160m_Ducting_and_Spotlight_Propagation_revA.pdf
/archives//html/Topband/2018-07/msg00082.html (23,470 bytes)

40. Re: Topband: Use shunt fed tower (score: 1)
Author: "Peter Voelpel" <dj7ww@t-online.de>
Date: Sun, 16 Sep 2018 15:44:46 +0200
It can work and it does. I used a shunt fed tower without radials for a couple of years on the former qth just with the tower grounding. Now I feed the tower directly and against a single sloping rad
/archives//html/Topband/2018-09/msg00120.html (10,464 bytes)

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