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KP4BJD Puerto Rico flag Puerto Rico

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Antenna at KP4BJD

Licensed continuously since 1962. Registered professional engineer (now retired), BSE Michigan (Ann Arbor) 1970,

MSCE Illinois (Champaign-Urbana) 1974, and MArch Michigan 1978. XYL Linda. DXCC certificate #6889 (1963),

DXCC #1HR (Sept 1992). In RTTY since 1969, WAZ-RTTY Certificate #22 (1989), DXCC-RTTY HR (Apr 2005).

73 de Gabe

Gabe scrounging for rare DX


Before the Hy-Gain TH-11 "LPDA" (Log Periodic Dipole Array for 20m, 17m, 15m, 12m and 10m) I've been

using since February 2010, I've owned two Hy-Gain TH-5 Yagis. Before those: a TelRex TB5ES (destroyed

by Hurricane Hugo in September of 1989), a Mosley TA-33, and a Hornet TB-750 (my first Yagi-Uda).

I started out with a surplus U.S. Army Ground Plane that traveled in a duffel bag.


For 80m, 60m, 40m and 30m I use a Windom with RadioWavz components.


For 6m I use a Hy-Gain VB-64DX (four elements up 10 feet from the rooftop).


For 2m I use the CushCraft A270-10S (with vertical polarization). I have one of the two dual-banders

(2m and 440 MHz) pointed towards PR (towards the main island), the other towards the Leeward Islands.


My only callsigns have been the present one, WP4BJD (novice for two months in the summer of 1962), and

also operated W8UM (The University of Michigan club station) from 1966 to 1969 while attending college.



For Ritty (Radio Teletype) I started out with a U.S. Army surplus Teletype Corp Model 15

machine (that consumed much paper, made clickety-clackety noise and smelled of oil) coupled

to a homebrew converter (a "TU" or terminal unit), first running 850 Hz shift and later the

narrow 170 Hz, using a diode to key the Collins 32S-3 oscillator (actually connected to a pin

in the oscillator vacuum tube) for direct FSK. I still communicate exclusively in Baudot code,

transmitted using FSK, not AFSK.


I presently employ an AEA DSP-2232 signal processor to a Mac. To enjoy an excellent set

of variable filters I can add (toggle in-line) the HAL ST-8000A as an external modem to

the multi-mode software-controlled DSP-2232.


NOTE on QSLing: After over 50 years and thousands of cards, I only need a few new ones.

My QSL policy is therefore: [1] if I need your card, I'll follow your instructions and include,

as requested: S.A.E., GSs or IRC. [2] I reply to cards received in same way: direct via direct

(no need for you to send a S.A.E., GS or IRC), and Buro via the ARRL Outgoing QSL Bureau.

[3Postage to & from Stateside is 45 cents for First Class letter, 32 cents for a postcard.


6287803 Last modified: 2015-07-16 00:28:40, 16684 bytes

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