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Issue 50
June 12, 2012
Jim Sealock
Boeing
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TABLE OF CONTENTS
4
Jim Sealock
BOEING
Interview with Jim Sealock - Technical Lead for EMARSS Program
8
Featured Products
Making Wireless Truly Wireless
10
BY
DAVE BAARMAN
WITH FULTON INNOVATION
The need to develop a standard that will allow consumers around the world to power their
devices under a single, interoperable standard.
16
How to Specify an ADC for a Digital
Communication Receiver
BY
ELETTRA VENOSA
WITH IQ-ANALOG
How noise budget, linearity requirements and timing jitter impact the specification
process.
22
RTZ - Return to Zero Comic
3
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INTERVIEW
J
im
S
ealock
Boeing
Can you tell us about your
work experience before
becoming the technical lead
at Boeing?
My work has been quite varied
since I earned by bachelor’s degree
in physics from James Madison
University. I designed transponders
for missiles and aircraft, monopulse
radar receivers and HF/VHF/UHF
miniaturized receivers.
Jim Sealock - Technical Lead for EMARSS Program
After five years of designing
receivers, I wanted to get more
involved in the development
of systems that used those
components – so I went back to
school and earned my master’s in
systems engineering from George
Mason University. While working
on that degree, I participated in
the design, integration and field
testing of unmanned aerial vehicle
(UAV) tracking and control systems,
as well as communications
intelligence (COMINT) systems for
installation on various aircraft and
surface ships.
What have been some of your
inluences that have helped
you get to where you are
today?
I would certainly say that continuing
education in aspects of my field
that interested me or in which new
technology is emerging has played
a significant role in the opportunities
I’ve had.
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INTERVIEW
Do you have any noteworthy
engineering experiences?
Prior to joining Boeing, I would say
my favorite project was working on
the original design for the Global
Hawk System. My manager at the
time asked if I would like to work
on a project that would take my
experience in data links, receivers
and ground systems, and apply it to
the next-generation ISR bird. How
could I turn down an opportunity
like that?! So from September 1994
until September 2000, I worked the
end-to-end systems engineering
design of the Global Hawk System.
I was both the ground segment
IPT lead and co-IPT of the systems
engineering IPT for the Global
Hawk team. That team was later
honored with the 2000 National
Aeronautical Association’s Collier
Award.
had to hang out of the bucket while
one of my team members held
onto my belt so I wouldn’t fall into
the water. After three attempts, we
finally got the antenna fixed, and
the ship sailed on time to get back
out on its mission. The moral of the
story is that as a systems engineer
supporting the customer, you have
to be able to improvise and get the
task completed any way that you
can!
been proven time and again that if
you do not do the upfront systems
engineering tasks of requirements,
concept of employment and
interface definition, the best
products will be thrown to the side
because they cannot be easily
integrated into the final system.
What are you currently
working on?
The Enhanced Medium Altitude
Reconnaissance Surveillance
System (EMARSS) is an extremely
fast-moving program providing an
ISR platform to the U.S. Army on
an 18-month schedule. One of the
greatest assets to the program is the
team environment being fostered
by the U.S. Army customer with
the Boeing-led team. Our goal is
to deliver a quality system capable
of meeting both today’s immediate
needs and the needs of battlefield
commanders in the future. The
aircraft is the Hawker Beechcraft
King Air 350 ER platform. It
includes two DCGS-A enabled
operator workstations, payloads
supporting MX-15HDi and broad-
spectrum COMINT, and line-of-
sight and beyond-line-of-sight
communication and data links.
Do you continue to take
an active role in product
development? If so, how?
As a systems engineer, I push hard
to be part of initial concept
As a systems
developer
and systems
Do you have any experiential
stories you would like to
share?
As the lead systems engineer on
an Army Joint Task Force QRC, I
was sent down to Roosevelt Roads
to meet a ship that was towing a
30-meter aerostat that had one of
the COMINT sensors onboard
supporting the missions. When I
arrived, I determined that the tail
reference antenna had a broken
connector on the cable. We had to
wait until three in the morning for
the winds to die down so we could
access the tail of the aerostat. I
went up to the tail in a bucket truck
and leaned out over the pier about
45 feet above the water, with only an
SMA wrench and a 15 Watt battery-
operated soldering iron. (That’s
all I was allowed to bring in the
bucket!) To reach the connector, I
integrator, we’ll
need to become
more efficient
in the selection
What are your main roles
and responsibilities with this
project?
As the technical lead for the EMARSS
program, I report to the chief
engineer and support the overall
system design and integration
efforts where I’m needed. I support
all of the design engineers in their
efforts to apply the practical field-
proven lessons learned, along
with new model-based design
techniques to reduce the amount of
and integration
of the sensors
into the existing
platforms.
development for whatever our next
product development effort is. It’s
5
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