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Total 13 documents matching your query.

1. Topband: Full Moon Effect ?? (score: 1)
Author: RPARKES197@aol.com (by way of Bill Tippett <btippett@alum.mit.edu>)
Date: Mon, 21 Oct 2002 09:58:26 -0400
Hi All, instead of a direct effect from low radiation, etc which is disproven could the gravitational force of the moon affect the earths magnetic field and aroural regions somehow ?? it does it to t
/archives//html/Topband/2002-10/msg00102.html (6,916 bytes)

2. Topband: Polarisation Coupling Loss - a broadcasters perspective (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Sat, 11 May 2002 07:07:46 EDT
Hi All I have been corresponding with Bob NM7M and Karl K9LA on this subject over the last few years as it has interested me since I was exposed to the phenomena of Polarisation Coupling Loss in the
/archives//html/Topband/2002-05/msg00107.html (9,508 bytes)

3. Topband: Polarisation Coupling Loss (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Tue, 14 May 2002 11:32:54 EDT
Hi All I have received the mail from Tom W8JI and yesterday responded direct to Tom, and have just seen it on the newsgroup so will post the info when I have a chance to go through my notes and files
/archives//html/Topband/2002-05/msg00120.html (6,397 bytes)

4. Topband: Polarisation Coupling Loss - is it a problem? (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Thu, 23 May 2002 07:53:06 EDT
Hi All well after some discussion "off the Reflector" I think it this subject has come to a stalemate. No doubt Polarisation Coupling Loss exists, it is a matter of how it manifests itself with all t
/archives//html/Topband/2002-05/msg00159.html (7,455 bytes)

5. Topband: (no subject) (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Tue, 8 Jan 2002 16:26:45 EST
Set your gain with use of preamplifiers or attenuators so you can just comfortably hear a noise increase when the antenna is connected, and a definite decrease with it removed. If your receiver can n
/archives//html/Topband/2002-01/msg00050.html (7,377 bytes)

6. Topband: 160m propagation in Summer (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Fri, 27 Jul 2001 12:27:28 EDT
going through the archives I found this posting from W8JI last year: &middot; Subject: Topband: 160 propagation &middot; From: "Tom Rauch" <w8ji@contesting.com> To: <topband@contesting.com> &middot;
/archives//html/Topband/2001-07/msg00062.html (8,914 bytes)

7. Topband: Summer Propagation (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Sun, 29 Jul 2001 07:01:15 EDT
As mentioned by KN4LF his finding are typical of my experience from tropical latitudes. With this being the case should folk further south be bucking their need for sleep and be getting up at 2-3am t
/archives//html/Topband/2001-07/msg00072.html (7,374 bytes)

8. Topband: Wire Guage vs Resistance (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Sun, 29 Jul 2001 07:15:57 EDT
Hi All not many books cover this problem of wire resistance at RF but Moxon does in HF Antennas for all Locations. Quote: RF Resistance per Unit length is proportional to the circumference of the con
/archives//html/Topband/2001-07/msg00073.html (7,437 bytes)

9. Topband: Wire Guage vs Resistance (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Mon, 30 Jul 2001 02:09:08 EDT
Hi All I blindly quoted from the note under a graph fig 3.10 in Moxon's book in a posting yesterday stating that RF resistance was proportional to circumference. However there is an inconsistency sin
/archives//html/Topband/2001-07/msg00078.html (7,458 bytes)

10. Topband: Diversity reception - TS950SDX (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Fri, 22 Jun 2001 05:42:46 EDT
Hi All After reading a comprehensive evalution of the TS950 on eham.net by Floyd Sense K8AC from Angier, NCI wondered if the TS950 had possibilities along the line of K3KY's comments on the FT1000 as
/archives//html/Topband/2001-06/msg00053.html (6,992 bytes)

11. Topband: Re: Midnite Path / Pre Dawn QSOs from 4S7 (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Sun, 14 Jan 2001 10:46:01 EST
I have done a "limited" analysis of my 4S7RPG results over a 4 yr period. Just wish I had kept a more detailed record of nil QSOs !! Unfortunately I am currently unable to compare actual sunrise time
/archives//html/Topband/2001-01/msg00144.html (7,853 bytes)

12. Topband: S21YP QRT (score: 1)
Author: RPARKES197@aol.com (RPARKES197@aol.com)
Date: Sat, 16 Sep 2000 08:12:50 EDT
Just a quick note just incase anyone has emailed me for a sked on 160m this winter and wondered why they have had no reply. I have not been able to access my email since I left. S21YP went QRT in a h
/archives//html/Topband/2000-09/msg00074.html (6,814 bytes)

13. Topband: Topband Propagation - Moon Effects ! (score: 1)
Author: RPARKES197@aol.com (by way of Bill Tippett <btippett@alum.mit.edu>)
Date: Thu, 07 Oct 2004 11:57:35 -0400
Hi All, as Don says lets think outside the box. The idea of reflected sunlight via the moon was squashed a couple of years ago when I also raised the subject. However the effect of the sun and moon a
/archives//html/Topband/2004-10/msg00033.html (8,463 bytes)


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