Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Wed, 4 Nov 2009 09:04:01 -0500
I have experienced the tuner upper quite allot as of late. What get's me is that sometimes the tuner upper tries to work the DX that he is QRMing while tuning up. Another negative trend that I see mo
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Thu, 12 Nov 2009 09:57:21 -0500
Ed over the years I have experimented with 3/8-1/2 wave inverted L's/T's on 160 meters with success. I published a website about it at http://www.wcflunatall.com/nz4o9.htm . 73 & GUD DX, Thomas F. Gi
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Mon, 16 Nov 2009 20:10:52 -0500
Pete I have been using a coaxial receive loop on 160 meters since 2003. Between 1998-2003 I lived on three acres in the country with no powerline or any other local QRN. I was able to listen to DX on
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Sat, 5 Dec 2009 15:42:29 -0500
I've always used #12-14 stranded double covered house wire for ground radials as it's very durable. It held up well under frost heaving in Colorado. I put my first set of radials down using this type
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Thu, 10 Dec 2009 08:34:27 -0500
Posted Wednesday December 10, 2009 at http://www.wcflunatall.com/nz4o4.htm After sixteen days with no sunspot activity a new solar cycle 24 sunspot group has emerged in the NE quadrant of the sun nea
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Fri, 11 Dec 2009 09:07:02 -0500
The NZ4O Daily LF/MF/HF/6M Frequency Radiowave Propagation Forecast #2009-39 has been published on Friday 12/11/2009 at 1400 UTC, valid 0000 UTC Saturday 12/12/2009 through 2359 UTC Friday 12/18/2009
Author: "Thomas F. Giella NZ4O" <meteorologist@tampabay.rr.com>
Date: Thu, 28 Jan 2010 19:06:03 -0500
The NZ4O 2010 CQ 160 Meter CW Contest Propagation Forecast has been published at 0000 UTC on Friday 01/29/2009, valid 2200 UTC Friday 01/29/2010 through 2159 UTC Sunday 01/31/2009 at http://www.wcflu
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Thu, 28 Jan 2010 19:02:19 -0500
The NZ4O 2010 CQ 160 Meter CW Contest Propagation Forecast has been published at 0000 UTC on Friday 01/29/2009, valid 2200 UTC Friday 01/29/2010 through 2159 UTC Sunday 01/31/2009 at http://www.wcflu
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Sun, 19 Sep 2010 11:05:09 -0400
http://www.wcflunatall.com/nz4o5.htm 19.) Long Delayed Echo (LDE)- A fairly common propagation mechanism by which an RF transmitted signal returns to the sender within 1.25-5 seconds and in rare cas
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Wed, 22 Sep 2010 15:56:22 -0400
I have an KD9SV 160 meter receive antenna preamp that I want to use on an experimental beverage on ground. The question I have is will the remote antenna tuner socket of the Icom IC-756 Pro III safel
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Wed, 29 Sep 2010 15:17:18 -0400
160 & 80 Meter 1/4 Wave Fan Inverted L Antenna http://www.wcflunatall.com/nz4o16.htm 73 & GUD DX, Thomas F. Giella, NZ4O Lakeland, FL, USA nz4o@tampabay.rr.com NZ4O Amateur & SWL Autobiography: http:
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Fri, 15 Oct 2010 15:39:07 -0400
Andy I've been using a coax receive loop on 160 meters for six years and I've had good success with it. I published a web page on the antenna at http://www.wcflunatall.com/nz4o14.htm . 73 & GUD DX, T
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Thu, 28 Oct 2010 13:51:45 -0400
An FYI, after a ten month hiatus due to personal illness I will begin producing my LF/MF/HF/6M radiowave propagation forecast again on Friday October 29, 2010. It will be at NZ4O Daily LF/MF/HF/6M Ra
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Fri, 29 Oct 2010 13:09:42 -0400
Sorry folks I made an error in posting the domain name for my LF/MF/HF/6M Radiowave Propagation Forecast. It's at http://www.solarcycle24.org . 73 & GUD DX, Thomas F. Giella, NZ4O Lakeland, FL, USA n
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Fri, 12 Nov 2010 15:06:30 -0500
Mark my tee vertical design via the web page http://www.wcflunatall.com/nz4o9.htm was for a "voltage" fed electrical half wave tee tuned with a parallel network, not a 1/4 wave current fed tee tuned
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Tue, 23 Nov 2010 15:09:33 -0500
Rick G4ILO has written a piece of propagation prediction software called VOAProp v1.1 It is actually an interface for the very accurate but otherwise difficult to use VOACAP software written for the
Author: "Thomas F. Giella NZ4O" <nz4o@tampabay.rr.com>
Date: Wed, 24 Nov 2010 08:20:27 -0500
I have found that the 160 meter propagation forecast produced by VOACAP/VOAPROP is pretty accurate out to approximately 4000 miles. Having said that Carl K9LA is correct in that there is no accurate
Author: "Thomas F. Giella NZ4O" <solarcycle24@tampabay.rr.com>
Date: Fri, 25 Feb 2011 06:17:16 -0500
Below is my 160 meter radiowave propagation forecast for the CQ 160 Meter SSB Contest. I would appreciate some feedback on the usefulness of the forecast for DXing and contesting. A simple yes or no
Author: "Thomas F. Giella" <thomasfgiella@tampabay.rr.com>
Date: Fri, 9 Sep 2011 16:09:37 -0400
I have for sale KD9SV 160 Meter Receive Antenna Preamplifier. It was used on my outdoor rotatable coaxial receive loop and is now excess to my needs. In like new condition. Gain is adjustable from 0-
Author: "Thomas F. Giella" <thomasfgiella@tampabay.rr.com>
Date: Sat, 17 Sep 2011 11:46:34 -0400
I have for sale a KD9SV Transceiver Front End Protector With Rig To Amp Interface Buffer. It was used between my Icom 756 Pro III and 160 meter outdoor rotatable coaxial receive loop, also between my