[NJARC] AR-88 talk at David Sarnoff Radio Club meeting

Mon Oct 17 17:53:31 EDT 2016

Movie on Tesla Tuesday Oct 18 at 9 on PBS

Sent from my iPhone

> On Oct 17, 2016, at 10:53 AM, Alex Magoun <a.b.magoun at ieee.org> wrote:
> 
> Just remember
> Reply = Poster
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> 
> _________________________________________________________
> Some of you will enjoy Tuesday night's meeting of the David Sarnoff Radio Club, originally founded at RCA's research labs and now continuing in various meeting spots in Mercer County. Read below for details on the AR-88 talk and the club's other activities.
> Best, Alex
>                    DAVID SARNOFF RADIO CLUB
>                      OCTOBER 2016 MEETING
> 
> Design History and Restoration of the RCA AR-88 Interception Receiver
>                       Joe Jesson W2JEJ
> 
> * Tuesday, October 18, 2016, 7:30 PM
> * American Red Cross, 707 Alexander Road, Suite 101,
>   Princeton, NJ 08540. See http://n2re.org/ for map and directions.
> 
> While initially exploring the history of wireless security, Joe presents
> the finding, acquiring for the Sarnoff Museum on The College of NJ
> campus, and restoring the RCA AR-88. He positions this receiver as
> Bletchley Park's preferred interception receiver of German
> communication during WWII. He shows the techniques applied to
> breaking the NAZI enigma encryption and related methods to wireless
> decryption methods today.
> 
> Finally, Joe will show how he incorporated the 1941 AR-88 RF design in
> his electronics active component lab by having the students simulate,
> in PSPICE and LTSPICE the AR-88 tracked RF sections and how the
> existing 1941 vacuum tube design compares to a modern FET RF design -
> given the AR-88 existing inductors and capacitors but changing the
> bias to reflect the differences between the Pentode Vacuum tube and
> the FET model.
> 
> Joe Jesson W2JEJ (was KC2VGL) is currently the CEO of RFSigint Inc,
> a Wireless IP/Patent advisory service. Patent claims are compared
> and mapped and expert witness offerings on IoT, M2M, Telematics,
> and Telemetry patents. Joe is an engineering researcher on a DOT
> grant and teaches, as Adjunct and Visiting Professor at TCNJ,
> several engineering classes and Labs.
> 
> MEETING SPEAKERS
> Every one of our members has interesting skills and knowledge worth
> sharing with others. Please contact Rebecca KA3IAX, John NU3E, or
> Dennis KC2IMI with your ideas.
> 
> UPCOMING AREA HAMFESTS (from http://www.qsl.net/w2vtm/hamfest.html &
> http://www.arrl.org/hamfests/)
> * Fri 25 Nov - Fair Lawn ARC Ham Radio Auction
>   http://auction.fairlawnarc.org/
> 
> DSRC WWW HOME PAGE - http://n2re.org/
> 
> DSRC REPEATER - N2RE, 146.46 output, 147.46 input (+1 MHz offset),
> 131.8 PL
> 
> DSRC 2 METER FM NET - First Tuesday of each month, 9 PM, DSRC repeater
> 
> DSRC 80 METER PSK31 NET - Second Tuesday of each month, 8:30 PM, BPSK,
> 3580.5 kHz ±
> 
> ARES/RACES - Members are encouraged to register themselves with Mercer
> County ARES/RACES. To do so, just send an e-mail to the Mercer County
> EC, Kip Burnett at kb2egi at arrl.net for more information.
> 
> Two local emergency stations are supported by DSRC. N2ARC is the
> callsign at the American Red Cross of Central New Jersey, the lead
> American Red Cross chapter in the event of a statewide emergency. W2MER
> is the callsign at the Mercer County Emergency Operations Center,
> located at the Dempster Fire Service Training School.
> 
> "Open houses" are held the last Monday of each month (except December
> and May) at 7:15 PM at both the American Red Cross, 707 Alexander Rd
> (2 blocks east of Rt 1, use rear entrance) and at the Mercer County EOC
> located on Lawrence Station Road. Lawrence Station Road is a right turn
> off of Quakerbridge Road about one half mile south of Quakerbridge Mall.
> Just follow the signs to the fire school. The Mercer County EOC is in
> the basement.
> 
> MEMBERSHIP - Club membership is open to anyone with an interest in
> amateur radio. There are no dues. To become a member, simply attend a
> club meeting and fill-out a membership application. If you would like
> to receive club announcements via e-mail, please send your name,
> callsign, and email address to mailto:nu3e at arrl.net.
> ~~~
> Alexander B. Magoun, Ph.D., Outreach Historian
> IEEE History Center
> Samuel C. Williams Library 3rd Floor
> Stevens Institute of Technology
> 1 Castle Point Terrace
> Hoboken NJ 07030-5991
> USA
> 
> +1 732-981-3414
> a.b.magoun at ieee.org
> www.ethw.org
> @IEEEHistory 
> www.ieee.org/history_center
> 
> IEEE - Advancing Technology for Humanity
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