Volunteer Speakers List

This is a list of people who have volunteered to make presentations at amateur radio club meetings or club functions.  Please contact them directly.

           (Listed alphabetically by last name.)


Name: Tom Abernethy, W3TOM
Subject of expertise: ARRL Atlantic Division Vice Director
Distance willing to travel: Any place in the MDC Section
Address: PO Box 73, Accokeek, MD 20607
Phone: 301-292-6263
E-mail: <W3TOM@ARRL.ORG>


Name: Stu Benner, W3STU
Subject of expertise: RFI, bonding, grounding and shielding
Distance willing to travel: MDC Section and adjacent areas
Address: 4755 Dave Rill Rd., Hampstead, MD 21074
Phone: 301-730-2144
E-mail: <w3stu@arrl.net>
Notes: Request reimbursement of travel expenses.
            Owner of EMConsulting, LLC. See web page at: <www.emcwizard.com>


Name: Dr. Paul A. Bernhardt, KF4FOR
Subject of expertise: The High Frequency Active Auroral Research Program (HAARP)
Distance willing to travel: MDC Section
Address: 5704 Ridge View Dr, Alexandria, VA 22310
Phone: 703-960-9656 (H), 202-767-0196 (W), 703-946-2910 (C)
E-mail: <paul.bernhardt@nrl.navy.mil>


Name: Bob Bruninga, WB4APR
Subject of expertise: Solar and Modern Power Systems for Ham Radio
Distance willing to travel: MDC Section
Address: 115 Old Farm Ct, Glen Burnie, MD 21060
Phone:  
E-mail: <bruninga@usna.edu>
Notes: The technology of power systems has changed drastically in the last decade, yet most ham's concepts of shack power, field power, emergency power and renewable power or woefully out of date. Did you know you can use a modern loaptop power supply on anything from 100 to 240 VAC OR 150 to 330 VDC?
It can provide up to 6 amps for portable operation and take only 10% the size and weight of older power supplies. Also Home Solar has come of age. Payback is now in under 5 years and then you get free power for LIFE!


Name: Tom Calomiris, K3TC
Subject of expertise: Antennas, RF Circuit Design (RF Amps, Oscillators, etc), Spread Spectrum Communications, VHF Weak Signal
Distance willing to travel: Contact K3TC
Address: 3213 Dunnington Rd, Beltsville, MD 20705
Phone: 301-572-2916
E-mail: <Thomas.J.Calomiris@verizon.net>


Name: Jim Cross, WI3N
Subject of expertise: ARRL Maryland-DC Section Manager
Distance willing to travel: Any place in the MDC Section
Address: 16013 Dorset Rd, Laurel, MD 20707
Phone: 301-725-6829
E-mail: <WI3N@ARRL.ORG>


Name: Bryan Dorbert, N3ST
Subject of expertise: The Mid-Atlantic Repeater Council (T-MARC) Frequency Coordination
Distance willing to travel: Within 75 miles of Gettysburg, Pa.
Address: 99 Feeser Rd, Littlestown, PA 17340
Phone: 410-960-5990 (C)
E-mail: <n3st@tmarc.org>


Name: Thomas D Horne, W3TDH
Subject of expertise: I am prepared to talk about setting up a Packlink Client station to use the Winlink2000 radio email system for EMCOMM. As it is for EMCOMM, I do not cover the use of sound card software in place of a Terminal Node Controller (TNC) except to explain why that approach is generally considered inadequate for an EMCOMM client station.
Distance willing to travel: I would certainly go up to Baltimore, down to Alexandria, west to Winchester, east to Cambridge. Winchester is about as far as I would want to go for an evening meeting. If Google maps says it is two hours or less I can do it. If it is further than that I would need overnight hospitality and gasoline money.
Address: 711 Ludlow St, Takoma Park, MD 20912-7309
Phone: 301-445-3557
E-mail: <hornetd@verizon.net>


Name: John Ohm, W8IS / AAM3MD
Subject of expertise: MARS, what it is, and its role in supporting the em comm community, the military and other governmental organizations.
Distance willing to travel: Frederick to Baltimore
Address: 2232 Cherokee Drive, Westminster, MD 21157-7800
Phone:  
E-mail: <w8is@arrl.net> or <aar3ck@winlink.org>


Name: David J Prestel, W8AJR
Subject of expertise: ARRL MDC Section State Government Liaison
Distance willing to travel: Any place in the MDC Section
Address: 10160 Tanfield Ct, Ellicott City, MD 21042
Phone: 410-552-2652, 410-203-9432
E-mail: <W8AJR@arrl.net>


Name: Heru Walmsley, W3WVV
Subject of expertise: Amateur Radio Safety
Distance willing to travel: Any place in the MDC Section
Address: 701 Wellham Ave, Apt 78041, Ferndale, MD 21061
Phone: 410-766-3545
E-mail: <W3WVV7@verizon.net>
Notes: Demonstrates an interesting way to cook a hot dog.


Name: Bob Zimmerman, KB3IWD
Subject of expertise: Manned Spaceflight; Author of several books. See Notes below.
Distance willing to travel: Any place in the MDC Section
Address: 4708 Montgomery Pl, Beltsville, MD 20705
Phone: 301-937-0394
E-mail: <zimmerman@nasw.org>
Notes: Reimbursement expected for fuel, tolls and lodging, if necessary.
           See bibliography at: <members.bellatlantic.net/~vze3cxxp/zimbib.htm>.


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