SFDXA authors and presenters are pleased to make their many presentations and publications available to the Amateur Radio community.
Enjoy them, but if you use them publicly, please cite the Date, Title, Author, Call Sign, and The SFDXA.
Our authors have also posted their articles that appeared in QST, QEX, QRP-Quarterly, CQ, and other journals.
Those articles are subject to the respective copyrights, please use accordingly.
Thanks and 73!
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Date |
Click on the
Title |
Author/Presenter |
| --- | --- | --- |
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10 July 2019 | Near Vertical Incidence Skywave (NVIS) Propagation with an ARES Slant |
Presented by "Gil" Gillinghan, W1RG |
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1 May 2019 |
Introduced by Pete Rimmel, N8PR | |
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26 Mar 2019 |
Kai Siwiak, KE4PT | |
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6 Mar 2019 |
Randy Shirley, N4QV | |
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2 Jan 2019 |
Pete Rimmel, N8PR | |
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7 Nov 2018 |
Ed Callaway, N4II | |
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5 Sep 2018 |
Tony Gawel, W6TNY | |
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11 July 2018 |
Randy Shirley, N4QV | |
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2 May 2018 |
Kai Siwiak, KE4PT | |
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7 Mar 2018 |
Kai Siwiak, KE4PT | |
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3 Jan 2018 |
Jim M. Talens, N3JT, and John R. Silva, N3AM | |
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26 Sep 2017 |
Ham Software for Digital Modes and HF Propagation Prediction [rev2:2018-Apr] |
Kai Siwiak, KE4PT |
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1 May 2017 |
Kai Siwiak, KE4PT | |
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1 Mar 2017 |
Al Flapan, KN4FA | |
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24 Jan 2017 |
Kai Siwiak, KE4PT | |
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4 Jan 2017 |
Dave Morris, N9UF | |
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2 Nov 2016 |
Rich, W4RQ & Kai KE4PT | |
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Nov 2016 |
QRP-Quarterly:
Ionospherica-8 - Antenna patterns with a calculator |
Kai Siwiak, KE4PT |
|
7 Sep 2016 |
Don Drennon, N4TZH | |
| 6 Jul 2016 | Lightning! Part-2 protect your radio equipment | John Stucka, N3JM |
| 4 May 2016 | Intrepid DX South Sandwich and South Georgia Expeditions, slides | Norm Alexander, W4QN |
| 2 May 2016 | ANTENNAS – Wires, Verticals and Arrays - presented to DCARC | Pete Rimmel, N8PR |
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Apr 2016 |
QRP-Quarterly:
Ionospherica-VII - Propagation over Rough Earth |
Kai Siwiak, KE4PT |
| 2 Mar 2016 | DX aides - Past and Present | Norm Alexander, W4QN |
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Feb 2016 |
QST: Radio Wave Propagation-How Waves Attenuate with Distance |
Kai Siwiak, KE4PT |
| 6 Jan 2016 | Lightning! | John Stucka, N3JM |
| 4 Nov 2015 | Video report, Ham Radio Now-2015: Dayton DX Forum Part 3 - K1N Navassa | Pete Rimmel, N8PR |
| 4 Nov 2015 | Video by Pete, N8PR, FT5ZM DXpedition Pileup - 1/14 | Pete Rimmel, N8PR |
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27 Oct 2015 |
Propagation - It's not always FreeSpace [to GCARA] |
Kai Siwiak, KE4PT |
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Oct 2015 |
QRP-Quarterly:
Ionospherica-VI - Propagation from the Ground Up |
Kai Siwiak, KE4PT |
| Oct 2015 | Using Digital Modes on the Fly: Checklists [to QCWA and DCARC] | Kai Siwiak, KE4PT |
| 2 Sept 2015 | ZF2EM DXpedition report | Pete Rimmel, N8PR |
| 2 Sept 2015 | OZ1AA-NA-bike-trek report | Pete Rimmel, N8PR |
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8 July 2015 |
Robert Feeny, KG4UGG | |
| 26 May 2015 | Amateur Digital Modes the Easy Way [to GCARA] | Kai Siwiak, KE4PT |
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6 May 2015 |
Update: “Amateur Radio at the National Hurricane
Center WX4NHC” |
Julio Ripoll, WD4R |
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Apr 2015 |
Kai Siwiak, KE4PT | |
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9 Mar 2015 |
Grayline Propagation, or FL– Cocos Keeling on 80m - WWROF webinar |
Ed Callaway, N4II |
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5 Mar 2015 |
DXlab Logging Software and |
Norm Alexander, W4QN |
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30 Jan 2015 |
Pete Rimmel, N8PR |
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7 Jan 2015 |
Kai Siwiak, KE4PT |
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7 Jan 2015 |
Pete Rimmel, N8PR |
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Oct 2014 |
Kai Siwiak, KE4PT |
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3 Sept 2014 |
Pete Rimmel, N8PR |
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3 Sept 2014 |
2005-2006 Operation from Iraq |
Carlos Vega, N4THW |
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Sept 2014 |
First ever EME operation
from US Virgin Islands - QST September 2014 |
Pete Rimmel, N8PR, and Bill Druzilla, NZ5N |
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15 July 2014 |
Broward County ARES/RACES meeting; Improvised Antennas for
Emergencies |
Kai Siwiak, KE4PT |
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9 July 2014 |
Kai Siwiak, KE4PT |
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9 July 2014 |
Shelly Weil, K2BS |
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9 July 2014 |
Status of Trans-Atlantic 2 m Quest |
Sebastian Acosta, W4AS |
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7 May 2014 |
Carlos DaSilva, N4IS |
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Apr 2014 |
Kai Siwiak, KE4PT |
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5 Mar 2014 |
Don Drennon, N4TZH |
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5 Mar 2014 |
ARRL |
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1 Feb 2014 |
Dan Street, K1TO |
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8 Jan 2014 |
Solar magnetism, wind,
sunspots, Auroras |
Pete Rimmel, N8PR |
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8 Jan 2014 |
Rich Rosen, K2RR |
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Dec 2013 |
Kai Siwiak, KE4PT, and Bruce Pontius, N0ADL |
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8 Nov 2013 |
Sebastian Acosta, W4AS |
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8 Nov 2013 |
John Troy, KI4YUM |
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Oct 2013 |
Kai Siwiak, KE4PT |
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4 Sep 2013 |
Ed Callaway, N4II |
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10 Jul 2013 |
Rich Rosen, K2RR |
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1 May 2013 |
Antenna Support Structures |
Mickey Baker, N4MB |
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Apr 2013 |
Kai Siwiak, KE4PT |
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6 Mar 2013 |
Mike Raskin, W4UM |
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9 Jan 2013 |
Kai Siwiak, KE4PT |
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7 Nov 2012 |
Video: DXpeditions of
the year 1993-2007 |
Bob Allphin, K4UEE |
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11 Jul 2012 |
Don Drennon, N4TZH |
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11 Jul 2012 |
Pete Rimmel, N8PR |
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Jul 2012 |
Kai, KE4PT, and Amir, K9CHP |
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2 May 2012 |
David Fowler, K4DLF |
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Apr 2012 |
QRP-Quarterly: KE4PT Off-Center-End-Fed dipole and DX go bag
station also: OCEF ADDENDUM |
Kai Siwiak, KE4PT |
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7 Mar 2012 |
Antenna Modeling comparison of EZNEC &
NECWIN+ |
Norm Alexander, W4QN |
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4 Jan 2012 |
Software defined radios. |
Sebastian Acosta, W4AS |
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2 Nov 2011 |
Mark Lavallee, AC4UV |
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8 Oct 2011 |
Vladimir Bykov, UA4WHX |
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7 Sep 2011 |
1. “Amateur Radio at the National Hurricane
Center WX4NHC” 2. “WX4NHC Haiti Earthquake mission” |
Julio Ripoll, WD4R |
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12 Jul 2011 |
Kai Siwiak, KE4PT | |
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6 Jul 2011 |
Presentation on Dayton 2011 Hamfest |
Steve Romagni, W4DTA |
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4 May 2011 |
Dave Morris, N9UF |
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2 Mar 2011 |
Working the Easy Sats |
Bill Rafus, KD4FRB |
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2 Mar 2011 |
Working DX from Satellites |
Bill Dzurilla, NZ5N |
|
5 Jan 2011 |
Video: K4M Midway Atoll 2009 |
- |
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Nov 2010 |
Kai Siwiak, KE4PT |
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5 May 2004 |
Pete Rimmel, N8PR |