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Total 186 documents matching your query.

41. Topband: 160 Topband Propagation Software (score: 138)
Author: kn4lf@gbronline.com (Thomas Giella, KN4LF)
Date: Tue, 24 Dec 2002 13:11:54 -0500
On my website KN4LF 160 Meter Amateur Radio Resources And More at http://www.kn4lf.com in the top 1/3 of the left side column are web page links to 160 meter sofware downloads. 73 & Seasons Greetings
/archives//html/Topband/2002-12/msg00272.html (6,902 bytes)

42. Topband: 160 Meter Propagation Indices (score: 138)
Author: kn4lf@tampabay.rr.com (Thomas Giella, KN4LF)
Date: Sun, 03 Nov 2002 15:27:46 -0500
Hello Fellow Radio Friends, Due to the dismal Topband propagation conditions seen during the CQ WW contest last weekend, I've received numerous requests for and explanation of 160 meter propagation c
/archives//html/Topband/2002-11/msg00020.html (7,817 bytes)

43. Topband: DSP (score: 138)
Author: kn4lf@gbronline.com (Thomas Giella, KN4LF)
Date: Thu, 14 Nov 2002 21:09:06 -0500
I use a discontinued Timewave DSP-9+ with my FT-990 and it works very well on CW and phone with lightning QRN. It's less effective on powerline noise but still works. 73, Thomas Giella, KN4LF Plant C
/archives//html/Topband/2002-11/msg00081.html (6,544 bytes)

44. Topband: Large TSTM areas as MF "wall" (score: 138)
Author: kn4lf@tampabay.rr.com (Thomas Giella, KN4LF)
Date: Mon, 28 Oct 2002 06:22:36 -0500
Mac PY2CW Asked: Questions: A large thunderstorm area in the dx path is a factor for weaker sigs? Charged clouds "blocks" ground wave ? What is the mechanism ? Thomas KN4LF Says: As a retired Meteoro
/archives//html/Topband/2002-10/msg00147.html (7,741 bytes)

45. Topband: 160 Propagation & Weather (score: 138)
Author: kn4lf@tampabay.rr.com (Thomas Giella, KN4LF)
Date: Tue, 29 Oct 2002 13:24:00 -0500
Thomas KN4LF Says: Joe Dube KK4TR of Brooksville, FL and I have conducted subjective observations of this effect via 160 and 120 meters and the MF broadcast band for the past 4 winters. Subjective ob
/archives//html/Topband/2002-10/msg00158.html (7,761 bytes)

46. Topband: Paying For Topband E-List (score: 138)
Author: kn4lf@tampabay.rr.com (Thomas Giella, KN4LF)
Date: Wed, 14 Aug 2002 11:50:00 -0400
We have all grown accustomed to the "free" Internet and it's a hard thing to give up. Also because we invest so much in our station equipment and organization memberships like the ARRL, etc. and publ
/archives//html/Topband/2002-08/msg00034.html (6,834 bytes)

47. Topband: Topband Takeoff Angles (score: 138)
Author: kn4lf@earthlink.net (KN4LF, Thomas Giella)
Date: Wed, 06 Mar 2002 17:12:08 +0000
Bert Asked: Is there any information out there on most useful TOA's on 160m, in particular for the Eastern NA to Europe path? Thomas KN4LF Says: Well most antennas in the real world transmit "some" R
/archives//html/Topband/2002-03/msg00051.html (7,051 bytes)

48. Topband: ICEPAC & PROPLAB PRO (score: 138)
Author: kn4lf@earthlink.net (KN4LF, Thomas Giella)
Date: Thu, 07 Mar 2002 12:42:47 +0000
Carl K9LA is certainly correct, ICEPAC does not give correct results for 160 meters. Unfortunately neither does PROPLAB PRO, though it is better software then nothing. 73, Thomas Giella, KN4LF
/archives//html/Topband/2002-03/msg00059.html (6,499 bytes)

49. Topband: Elevated Radial Counterpoise (score: 138)
Author: kn4lf@earthlink.net (Thomas Giella)
Date: Wed, 13 Mar 2002 10:47:37 +0000
I use an 80 foot vertical Tee with a 46 foot long horizontal linear load five feet above ground and with four 90 foot capacity hat wires. The feedpoint is five feet above ground with thirty five 1/8
/archives//html/Topband/2002-03/msg00115.html (6,592 bytes)

50. Topband: FL 0400 UTC 160 DX Opening (score: 138)
Author: kn4lf@earthlink.net (Thomas Giella)
Date: Sat, 23 Mar 2002 18:24:03 +0000
The "Topband Phone DX'ers Group" was in session this morning starting at 0400 UTC on 1847 kc. We had a good band opening from New England to Florida and as far west as Texas, with MW0, G's, HB, LA's,
/archives//html/Topband/2002-03/msg00226.html (6,881 bytes)

51. Topband: DX Opening Into FL Tonight (score: 138)
Author: kn4lf@nrcdxas.org (KN4LF, Thomas Giella)
Date: Thu, 17 Jan 2002 11:48:49 +0000
We finally had a sustained good opening into Florida tonight from Europe and it coincided with my latest propagation outlook! Lot's of G's and I's and they were a real 59 on phone and on my Tee verti
/archives//html/Topband/2002-01/msg00116.html (6,402 bytes)

52. Topband: Meanook Again (score: 138)
Author: kn4lf@nrcdxas.org (KN4LF, Thomas Giella)
Date: Thu, 17 Jan 2002 21:54:28 +0000
Tom W8JI and Greg, ZL3IX are correct. The Kp index just doesn't consistently correlate that well with poor overall propagation conditions on 160. If the Kp index is high it "could" mean unpredictable
/archives//html/Topband/2002-01/msg00125.html (7,001 bytes)

53. Topband: 160 Newbie Antenna Advice (score: 138)
Author: kn4lf@nrcdxas.org (KN4LF, Thomas Giella)
Date: Thu, 24 Jan 2002 15:07:52 +0000
Thomas KN4LF Says: I've had very good luck with ground level fed 100 foot slopers with the far ends supported at 33 feet from a non metallic support structure. I've also had good luck with short 290-
/archives//html/Topband/2002-01/msg00191.html (6,695 bytes)

54. Topband: 160 One Way Propagation (score: 138)
Author: kn4lf@nrcdxas.org (KN4LF, Thomas Giella)
Date: Tue, 29 Jan 2002 22:47:17 +0000
Thomas KN4LF Says: There is a 160 one way propagation phenomena and it's tied to the E-F Layer ducting/E valley propagation mechanism. Most mediumwave frequency RF signals in excess of 3100 miles is
/archives//html/Topband/2002-01/msg00249.html (7,983 bytes)

55. Topband: 7 Day Medium Wave Propagation Outlook (score: 138)
Author: kn4lf@hotmail.com (KN4LF, Thomas Giella)
Date: Sat, 1 Dec 2001 07:34:38 -0500
Just an FYI, shortly I will begin producing a 7 day medium wave propagation outlook, to be issued on a weekly basis. It will be on my radio wave propagation website at http://www.kn4lf.com/kn4lf5.htm
/archives//html/Topband/2001-12/msg00000.html (6,997 bytes)

56. Topband: Medium Wave Propagation Outlook Poll (score: 138)
Author: kn4lf@hotmail.com (KN4LF, Thomas Giella)
Date: Thu, 27 Dec 2001 14:39:00 -0500
Hello Fellow DXers, I have placed a poll at the top of my non profit website KN4LF 160 Meter Amateur Radio Resources And More at http://www.kn4lf.com . The poll queries the usefulness of my "7 Day Me
/archives//html/Topband/2001-12/msg00122.html (7,242 bytes)

57. Topband: 7th Call Area Propagation Opening (score: 138)
Author: kn4lf@hotmail.com (KN4LF, Thomas Giella)
Date: Thu, 27 Dec 2001 15:02:24 -0500
I followed the packet spots last night and could not hear a peep out of European's that the 7th call area was working. Europe had been open here in Central Florida for a good number of days but it al
/archives//html/Topband/2001-12/msg00123.html (7,408 bytes)

58. Topband: Auroral Zone And PMAPS (score: 138)
Author: kn4lf@hotmail.com (KN4LF, Thomas Giella)
Date: Sat, 29 Dec 2001 00:54:42 -0500
.....particularly effective in absorbing HF radio signals and can render HF communications impossible throughout the polar regions...... The government boys are thinking in terms of absorption and u
/archives//html/Topband/2001-12/msg00164.html (8,485 bytes)

59. Topband: Delta Loop (score: 138)
Author: kn4lf@tampabay.rr.com (KN4LF, Thomas Giella)
Date: Sat, 10 Nov 2001 22:12:09 -0500
I put up what I call a squashed delta loop in Colorado in 1994 and it worked just fantastic. I put the base of the antenna 10 feet above ground, and the apex at 100 feet above ground. Using the formu
/archives//html/Topband/2001-11/msg00038.html (7,967 bytes)

60. Topband: Delta Loop (score: 138)
Author: kn4lf@tampabay.rr.com (KN4LF, Thomas Giella)
Date: Sun, 11 Nov 2001 16:57:06 -0500
Bob VE7BS made some very valid points in his previous email. We all get to hung up on lot's of radials near the feedpoint of a vertical antenna. They are certainly needed in the near field of a 1/4 w
/archives//html/Topband/2001-11/msg00046.html (8,608 bytes)


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