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References: [ +from:olinger@bellsouth.net: 438 ]

Total 438 documents matching your query.

21. Re: Topband: May 2005 EET article about the DLM (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sat, 20 Aug 2005 10:55:33 -0400
"The apparent endorsement of the DLM antenna by the U of RI does prove one thing....we need to work on our educational system and stop the backslide in science. The U of RI and Vincent are now at th
/archives//html/Topband/2005-08/msg00036.html (8,044 bytes)

22. Re: Topband: Effect of trees touching inverted L (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sun, 11 Sep 2005 12:56:52 -0400
I was looking for real world experiences on how severe the problem is when an insulated antenna wire touches a tree limb. -- Two considerations that bear: 1) There is likely to be wear of the insula
/archives//html/Topband/2005-09/msg00021.html (8,403 bytes)

23. Re: Topband: Efficiently Matching Low-Impedance Antennas to 50ohms (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Fri, 23 Sep 2005 21:05:38 -0400
"I'm looking for advice about how to efficiently match my 160m inverted-L to 50 ohms." ... " My receiver noise bridge shows that its impedance has a resistive component that's around 20 ohms," ... On
/archives//html/Topband/2005-09/msg00083.html (10,023 bytes)

24. Re: Topband: QSB`ed opening (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Wed, 12 Oct 2005 10:25:54 -0400
... And for some reason the beverages were no advantage, had to use the phased verticals for most QSOs. ... Any theory on this? A propagation path that has a very high takeoff/incoming angle for acce
/archives//html/Topband/2005-10/msg00062.html (7,176 bytes)

25. Re: Topband: W8JI FT1000MP MKV Click Modification (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sun, 23 Oct 2005 17:17:04 -0400
"Keying waveforms for both the normal "mid-word" rising edge, and the "hard-edge" leading character are shown. The radio still clicks pretty bad, but only on the leading characters that follow a word
/archives//html/Topband/2005-10/msg00222.html (9,844 bytes)

26. Topband: Top Ten Reasons for Self-Spotting on Top Band (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sat, 12 Nov 2005 11:25:39 -0500
Top Ten Reasons for Self-Spotting on Top Band -- 10. Needs practice typing in his call sign. 9. It's really the kid running WriteLog who thinks he's playing a video game. 8. Burned up his TX trying t
/archives//html/Topband/2005-11/msg00106.html (8,950 bytes)

27. Re: Topband: Beverages (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Fri, 18 Nov 2005 16:40:30 -0500
"The remedy is simple -- use new 2-watt carbon, ceramic composition, or other robust, non-inductive resistors. Rule-of -thumb for value is 560 ohms for a high (8-foot) Beverage, down to maybe 270 or
/archives//html/Topband/2005-11/msg00229.html (9,172 bytes)

28. Re: Topband: WB4ENE - MRA (minimal reactance antenna) (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sat, 19 Nov 2005 22:10:53 -0500
NEC 4.1 models a broadcast grade 1/4 wave vertical with 120 radials buried in average ground at only 1.18 dbi gain using Norton-Sommerfield. It is nasty at incorporating losses. When you have a mode
/archives//html/Topband/2005-11/msg00245.html (8,128 bytes)

29. Re: Topband: Dirty Harry and the DX window (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Mon, 12 Dec 2005 00:16:56 -0500
IMHO, Responding to the idea that there needs to be a window, and without referring to a specific contest The choice of frequencies below probably would need adjusting, and are specified only for pre
/archives//html/Topband/2005-12/msg00164.html (9,765 bytes)

30. Re: Topband: New guy here. Low noise rx antenna for 1/2 acre lot? (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Wed, 4 Jan 2006 09:51:33 -0500
" I have noticed that my G5RV picks up about HALF the noise that the K9AY loops do, and when I try to use my pre-amp (ICE, 1800-2000kHz) with the loops all it does is amplify the noise. The signal/no
/archives//html/Topband/2006-01/msg00036.html (9,003 bytes)

31. Re: Topband: 1/4, 1/2 or 5/8 Wire Vertical Which to use?? (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Thu, 12 Jan 2006 13:16:52 -0500
"My location was on an islet at the entrance to the harbor surrounded by salt water. My corner fed Delta loop at this location was a much better performer [than the 5/8 wave broadcast vert] especiall
/archives//html/Topband/2006-01/msg00173.html (8,256 bytes)

32. Topband: Half-sloper? Was Re: mfj 1025 (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sun, 5 Feb 2006 14:38:49 -0500
A "full" sloper would usually refer to a half-wave center fed dipole with one end supported near the top of a tower and the other run down near to ground. Four of these around a tower at 90 degree in
/archives//html/Topband/2006-02/msg00098.html (8,422 bytes)

33. Re: Topband: Topband and the DX-Window (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Thu, 16 Feb 2006 10:11:18 -0500
Herb said: "I can't help but notice the vast difference in high quality of operators on 160 compared to ... 40 CW". Perhaps some portion of "gentleman's band" persists due to issues more physical tha
/archives//html/Topband/2006-02/msg00161.html (8,838 bytes)

34. Re: Topband: Inverted-L (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sun, 5 Mar 2006 09:38:18 -0500
"Keeping the 160 meter inverted-L connected to ground through the windings prevents it from being a resonant half wave floating wire on 80 when using the 80 meter vertical nearby" Whether the connect
/archives//html/Topband/2006-03/msg00034.html (8,171 bytes)

35. Re: Topband: RG6 (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sun, 19 Mar 2006 13:34:12 -0500
"My question : is 300 feet of rg6 from beverage to receiver ok? or should I go with something bigger like rg8x?" RG6 will be fine. However, be sure to get RG6 with a polyethylene (PE) jacket so the s
/archives//html/Topband/2006-03/msg00135.html (7,069 bytes)

36. Re: Topband: Thunderstorm (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Wed, 29 Mar 2006 10:04:00 -0500
"I walked closer to it and could tell the guy wires were arcing across the insulators ( I used 25KV electric fence insulators)." In Virginia I once saw arcing across the power company egg insulators
/archives//html/Topband/2006-03/msg00202.html (7,428 bytes)

37. Re: Topband: Four Square (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Fri, 21 Jul 2006 07:05:48 -0400
...I plan on building a 4 Square for Top Band by running a catenary rope around the tops of each tower. Then suspending wire verticals from the centre of each rope. (Each Vertical would be 60 - 80 fe
/archives//html/Topband/2006-07/msg00035.html (7,912 bytes)

38. Re: Topband: A question of efficiency (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Fri, 21 Jul 2006 07:30:16 -0400
...except my main radiator is not a tower, but rather a 6-wire, 37-inch diameter cage suspended alongside and 3 feet away from the tower. A tower next to driven radiator IS in play and will be carryi
/archives//html/Topband/2006-07/msg00036.html (8,368 bytes)

39. Re: Topband: Grounded Tower (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sat, 5 Aug 2006 14:05:58 -0400
"W7EL and myself just finished measuring radials (we stopped at 32 radials for now) and ground conductivity using a single probe measurement method on 7 MHz. The entire exercise will be an article."
/archives//html/Topband/2006-08/msg00034.html (8,162 bytes)

40. Re: Topband: Radial system gain (score: 1)
Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>
Date: Sat, 30 Sep 2006 13:12:01 -0400
Aren't all these figures ground wave? That's quite useful for broadcasters, as that's where the consumer radios are, but do we know by measurement of some kind what the results would be at even 5 deg
/archives//html/Topband/2006-10/msg00001.html (8,975 bytes)

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