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KT34A information:

            Tower Talk Postings

                        Original Posting to TT on 15 m F/B for M2 upgrade

                                    (also at http://lists.contesting.com/_towertalk/2008-03/msg00472.html)

                        Additional Info Posting to TT

                                    (also at http://lists.contesting.com/_towertalk/2008-04/msg00135.html)

                        Final Summary to TT

                                    (also at http://lists.contesting.com/pipermail/towertalk/2008-July/102316.html)

            Summary of Element Resonances and Dimensions

            Details of Final Summary for the KT34A Devotee

            MMANA KT34A M2 upgrade model file (use at your own risk)

                                    (kt34a_FullXM2.txt  rename to   “kt34a_FullXM2.maa”)


QSK-5 information:

            AMPS Posting for Relay Free QSK-5

                                    (also at http://lists.contesting.com/_amps/2007-12/msg00161.html)

            Write Up on QSK-5 use considerations     


Tuning the Ameritron AL-811H  eham article:



Antenna Projects information:

           The 30 m 2-Element Vertical Array

            Tower Talk Posting on 80m InvL (also at http://lists.contesting.com/archives//html/Towertalk/2009-01/msg00163.html)

            A Frugal 6 Meter 3 Element Yagi

            Gamma Match Equations and Associated Confusion

            A Problem with the ARRL Gamma Match Code

            Hairpin Match Details

             A Hairpin Match Calculator (no pretty plots)

            Moxon-Yagi Hybrid for 12 m – The MOXAGI

            A new and improved Gamma Match Calculator – GammaMW Removed

            A 160/80 Dual Band Vertical

            A new and yet more and more improved Gamma Match Calculator – GammaMW4

            Folding Back Ends of Insulated Wires for a Dipole

            Vertical Antenna Ground Loss & Displacement Current

            Coaxial Trap Confusion Reduced

            A Relatively Simple Coaxial Trapped 160/80 Vertical/T –

            Beware - recent results suggest this trap may not be up to high power, at least after some wet weathering. It might be okay if weather-sealed better. YMMV

            Antenna? We Don’t Need No Stinking Antenna.

            A Direct Single Feed Dual Band Vertical Dipole Array for 20 and 17

            A 6 Meter 2 Element Bent Yagi Direct Feed Beam - Beyond Frugal

            ACE Hardware Special Direct Feed 3 El Wire Yagi for 6 Meters

Tower Raising:

           The Non-Falling Derrick


K3 Projects:

            Interface/Strategy for K3/N1MM/MMTTY for FSK & CW with no switching with a serial port

            Some say this can be done (sometimes maybe) with a second USB/COM converter and no COM port – an attempt to do that failed


V73MW Dxpedition:

            After Action Report

1101044 Last modified: 2014-07-13 23:00:18, 4172 bytes

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