JED - November 2015 - 16

t h e

m o n i t o r

|

n e w s

2040, and BAE's system is a game-changer, building a lot on what BAE has been
doing with other EW systems both for the
F-15 and other platforms."
BAE's Walters recalls the process as "a
very efficient and disciplined pursuit,"
noting that "one thing that Boeing and
the Air Force did that I think is a best
practice, is that they wove in a Systems
Requirements Review (SRR) as part of
each competitors offering. This gave everyone an opportunity to say 'Do we all
understand the requirements, and do we
all understand how we will meet the requirements?' When I first heard of this,
I kind of scratched my head, but in the
end, it allowed all of us to bring forth
the best solution for the F-15 and will
serve the program well going forward."
One of the questions surrounding the
design of EPAWSS has been the choice
of technology that would be used to
power the system's jammer transmitters, whether a solid-state amplifier approach or more conventional traveling
wave tube (TWT) technology. Walters
answers that question saying BAE's approach is a GaN-based solid-state ampli-

fier design. "We already consider it to
be in the TRL-7 to TRL-9 range, and it
will definitively be TRL-9 very shortly.
We're already deploying this technology
on other programs."
In addition to improved aircraft protection, EPAWSS will also provide pilots
with improved situational awareness.
Says Walters, "This is possible because
of the advancements that we've made in
algorithm processing, as well as hardware performance. It's enabled us to do
a lot of things on the electronic support
measures (ESM) side or RWR side that
provide precision location, reduce ambiguity, improve emitter ID, and better
understand the intent of the different
emitters. This all leads to providing the
pilot with better situational awareness
of the environment that he is operating
in." EPAWSS will also improve the F-15's
chaff and flare capabilities, including
design work on the aircraft's tail to enable it to carry more "buckets" of both
chaff and flare expendables.
Moore points out that there are extensive aircraft modifications required
to put a new EW system on an aircraft

including, in this case, removal of the
wings and replacement of the aircraft's
'tailbone' between the engine exhaust
nozzles. "A lot of work has to be done all
over the aircraft to support the program.
We're taking off all of the TEWS components, with a savings of 13 LRUs [Line
Replaceable Units] going from TEWS to
EPAWSS, so a lot of weight is being removed from the aircraft, as well as providing for a smaller footprint." Moore
adds that the determination of the composition of the Group A (cables, panels,
etc.) and Group B (actual EPAWSS components) modification kits, including any
"swing" elements was also a challenge.
Boeing makes these determinations together with the Air Force. "It's always
the case with a system of this complexity," says Moore. "However, we're leveraging a lot of the work that we've already
performed on the Advanced F-15 and, although that is a new aircraft build and
this is a retrofit, we're able to leverage
some of the design that we've already
done on the platform, which is helpful."
Boeing anticipates receiving a followon EPAWSS contract from the Air Force

16
The Journal of Electronic Defense | November 2015

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JED - November 2015

Table of Contents for the Digital Edition of JED - November 2015

The View From Here
Conferences Calendar
Courses Calendar
From the President
The Monitor
World Report
Airborne Electronic Attack for A2AD
52nd Annual AOC International Symposium and Convention Guide
2016 EW/SIGINT Resource Guide
EW 101
AOC News
Index of Advertisers
JED Quick Look
JED - November 2015 - cover1
JED - November 2015 - cover2
JED - November 2015 - 3
JED - November 2015 - 4
JED - November 2015 - 5
JED - November 2015 - The View From Here
JED - November 2015 - 7
JED - November 2015 - Conferences Calendar
JED - November 2015 - 9
JED - November 2015 - Courses Calendar
JED - November 2015 - 11
JED - November 2015 - From the President
JED - November 2015 - 13
JED - November 2015 - 14
JED - November 2015 - The Monitor
JED - November 2015 - 16
JED - November 2015 - 17
JED - November 2015 - 18
JED - November 2015 - 19
JED - November 2015 - 20
JED - November 2015 - 21
JED - November 2015 - 22
JED - November 2015 - 23
JED - November 2015 - World Report
JED - November 2015 - 25
JED - November 2015 - Airborne Electronic Attack for A2AD
JED - November 2015 - 27
JED - November 2015 - 28
JED - November 2015 - 29
JED - November 2015 - 30
JED - November 2015 - 31
JED - November 2015 - 32
JED - November 2015 - 33
JED - November 2015 - 34
JED - November 2015 - 35
JED - November 2015 - 36
JED - November 2015 - 37
JED - November 2015 - 38
JED - November 2015 - 39
JED - November 2015 - 40
JED - November 2015 - 52nd Annual AOC International Symposium and Convention Guide
JED - November 2015 - 42
JED - November 2015 - 43
JED - November 2015 - 44
JED - November 2015 - 45
JED - November 2015 - 46
JED - November 2015 - 47
JED - November 2015 - 48
JED - November 2015 - 49
JED - November 2015 - 50
JED - November 2015 - 51
JED - November 2015 - 52
JED - November 2015 - 53
JED - November 2015 - 54
JED - November 2015 - 55
JED - November 2015 - 56
JED - November 2015 - 57
JED - November 2015 - 58
JED - November 2015 - 59
JED - November 2015 - 2016 EW/SIGINT Resource Guide
JED - November 2015 - 61
JED - November 2015 - 62
JED - November 2015 - 63
JED - November 2015 - 64
JED - November 2015 - 65
JED - November 2015 - 66
JED - November 2015 - 67
JED - November 2015 - 68
JED - November 2015 - 69
JED - November 2015 - 70
JED - November 2015 - 71
JED - November 2015 - 72
JED - November 2015 - 73
JED - November 2015 - 74
JED - November 2015 - 75
JED - November 2015 - 76
JED - November 2015 - 77
JED - November 2015 - 78
JED - November 2015 - 79
JED - November 2015 - EW 101
JED - November 2015 - 81
JED - November 2015 - AOC News
JED - November 2015 - 83
JED - November 2015 - Index of Advertisers
JED - November 2015 - 85
JED - November 2015 - JED Quick Look
JED - November 2015 - cover3
JED - November 2015 - cover4
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