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RF, EMI, Systems Engineer - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues - primarily having to spend time purging garbage posts from the board. At some point I might start the RF Cafe Forums again if the phpBB software gets better at filtering spam.

Below are the old forum threads, including responses to the original posts.

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 Post subject: RF, EMI, Systems Engineer
Posted: Sun Apr 25, 2010 10:47 pm 

Joined: Mon Jun 01, 2009 11:32 pm
Posts: 4
Location: Huntsville, AL

Huntsville, Alabama (267) 625-0417
http://www.linkedin.com/in/georgewilmer GWilmer@usa.net

Radio Frequency, Electromagnetic Interference, Systems Engineer
Design, Integration, Test; Board Level to System Level Architect

• Project Engineering & Proposal Development • Systems Engineering
• EMI Design and Mitigation • RF Design: 3 MHZ to 42 GHZ
• Research & Development Engineering • Risk Assessment and Alleviation
• Program Management • Communication Systems Design
• Multilingual (English, French & German) • FCC Parts 15 & 90 Compliance


• Wireless: RFID, Bluetooth, 802.11x, ZigBee, 802.16x, Trunked/conventional LMR, GPRS, SATCOM
• EME / Environmental: per DO-160, MIL-461, MIL-462, MIL-810, HIRF (TILE, TESEQ software used)
• Avionics: DO-181, DO-186A, ED-23B, FAR 25.581
• Antenna Design: UHF/VHF/ FM - slot array, cavity back resonators, panel antennas
• Applications: DoD, FAA, NASA, NOAA, Public Safety & Law Enforcement, Homeland Security, Public Utilities, Transportation, Commercial


Owner / Principal Consultant 1993 - Present
• Provided technical and cost consultation relevant to the 800 MHz Rebanding Project, saving the prime contractor over $1 billion dollars versus original pricing.
• Technical lead on railroad and utility communication projects to transition land mobile radio systems from 25 KHz to narrowband (12.5 / 6.25 kHz).
• As a Subject Matter Expert, responsible to insure Part 90 compliance of a developing Software Defined Radio by analyzing schematics and specifications.
• Developed EMI, Lightning, Power Quality and Environmental test procedures.
• Conducted and witnessed tests pursuant to DO-160, MIL-461, MIL-462, MIL-810 and other relevant specs.
• Responsible for performance testing and validation of new VHF radios.
• Developed broadband (WiMAX) solutions for Homeland Security and Public Safety apps.
• Designed radio system upgrades for major utility companies to include LMR and microwave systems.
• Broadcast antenna systems design and development.

Clients of Wilmer Engineering have included:
• ARINC • Harris RF Communications Division
• Goodrich Interior Lighting Systems • Hamilton Sundstrand
• Honeywell Aerospace • PacifiCorp Power & Energy
• Wulfsberg Electronics • East Ohio Gas Company
• Sanmina-SCI Defense / Aerospace • inCode Wireless
• Eclipse Aviation • Northeast Utilities
• Rockwell Collins Avionics • DynCorp / CSC

DRS C3 Systems Wyndmoor, PA
Staff Systems Engineer 2005 – 2007
• Responsible to lead teams in developing communication systems for Homeland Security, C3 as well as US allies’ applications.
• Significant focus on communication systems’ interoperability and IP-based solutions.
• Developed requirements traceability matrix, risk assessment; worked as part of senior management team on bid captures.
• Strong interaction with cross functional teams to include Program Management and Business Development.
• Translated system level documents from French to English, developing system specs for evaluating domestic products for applicability for a radar program.

Ericsson-GE Lynchburg, VA
Sr. Systems Engineer 1993
• System level design of trunked LMR systems for international applications in Thailand and Taiwan to include evaluating requirements and architecting technical solutions.
• Generated equipment lists, developed acceptance test procedures and coverage verification plan.
• Conducted design reviews and presentations to international government, military and public safety officials.

Sverdrup Technology NASA Lewis Research Center
Sr. Communications Engineer 1991 - 1992
• RF Spectrum Manager to NASA Center responsible for all RF systems including LMR, satellite and microwave.
• Redesign of the conventional LMR to wideband trunked technology.
o Conducted site survey and coverage analysis.
o Developed a SOW and analyzed proposals for a new trunked radio system.
o Assisted NASA in technology selection of the new system.
o Served as the vendor-to-NASA interface for the turnkey solution
• Responsible for new technology analysis, testing and implementation.

Magnavox Government Systems Fort Wayne, IN / Ashburn, VA
Electrical Engineer 1979 – 1990
• Research and development of DoD satellite communication systems (3 MHz – 42 GHz).
• Board level design of RF, microwave, analog and digital circuitry.
• Expertise in transceiver, synthesizer, power distribution, spread spectrum design and techniques.

Electrical Engineering Coursework,
(BSEE Candidate, 13 Credits Remaining for Completion)

Electrical Engineering Coursework

§ CCDA – Cisco Certified Design Associate (in process of completing)
§ IEEE – Institute of Electrical and Electronic Engineering Member

 Post subject: Re: RF, EMI, Systems Engineer
Posted: Mon Aug 02, 2010 9:28 pm 

Joined: Mon Jun 12, 2006 9:16 am
Posts: 5
George... are you going to answer this? It looks really bad, dude. :smt119

Posted  11/12/2012
Qorvo / Custom MMIC New for 2020 - RF Cafe PCB Directory (Assembly)
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