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Home > Safety > Radar Reflectors & Transponders > EchoMax

EchoMax Radar Reflectors
are based on an
invention by John Firth.

EchoMax (Aquamate) Design
EchoMax reflectors comprise of a three stack array of laser cut aluminum enclosed in a fiberglass or polyethylene case. At each end 8/10mm diam. fixings enable a standing rigging or halyard hoist or mast mounting. ECHOMAX inflatable reflectors fold down into a neat pocket size; an ideal addition to the emergency grab bag.
Increased RCS
Test results obtained in April/November 2001 and May 2002 in the QinetiQ (DERA) anechoic chamber at Funtington confirm that the design's reflective area is nearly four times greater than competing products using orthogonal corners. The only symmetrical reflector with modified corners the ECHOMAX directs optimum power perpendicular to its major axis. With minimum movement of that axis mutual interference (glint) occurs between incorporated lobes of response.

	ECHOMAX EM230+	BLIPPER 210-7
RCS Peak m2	24m2	April 2001 6.3m2 Nov 2001 7.96m2
Response below peak	12 peaks 20m2 @ 30 Degree intervals	Peaks - 4m2 & 5m2
Performance @ 1.25m2	100%	100%
Performance @ 2.5m2	100%	54%
Performance @ 5m2	100%	8%
Performance @ 10m2	70%	zero
+ or - 3 Degrees heel	24 sq.m @ 2.5m2- no nulls	7.96 Seven nulls exceed 10 Degrees
+ or - 9 Degrees heel	19 sq.m peak @ 2.5m2 no nulls	7.0 Seven nulls 28.5% (102.6 Degrees)
+ or - 15 Degrees heel	9 sq.m peak	7.0 Seven nulls 45% (162 Degrees)
+ or - 20 Degrees heel	5 sq.m peak	Not tested
Overall length	610 mm	595 mm
Diameter	248 mm	240 mm
Distance between centres	EM-230 560 mm EM-220 BR (17m2) 545 mm	545 mm
Weight	2100 gr	1879 gr
ISO 8729	EXCEEDS	FAIL
RORC	EXCEEDS	FAIL
ORC	EXCEEDS	FAIL

The above test results were obtained at QinetiQ (DERA) in April/November 2001 and May 2002.


		EchoMax EM230+ Radar Reflector 24" L x 9.75" dia.				EchoMax EM230 Midi Radar Reflector 18" L x 9.5" dia.


		EchoMax EM180 Radar Reflector 18.8" x 8.75" for smaller boats				EchoMax 230BR Radar Reflector replace your Firdell Blipper


		EM230 Mounting Bracket for the EM230+ or EM230 Midi				EchoMax EM230I Inflatable Radar Reflector 30" L x 13" dia.


		EchoMax EM305 Radar Reflector				EM305 Mounting Bracket

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EchoMax

EchoMax - Inset

EchoMax Radar Reflectors are based on an invention by John Firth.

EchoMax Radar Reflectors
are based on an
invention by John Firth.