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                            SPECIFICATIONS
                   Model Number                     80M3
                   Frequency Range                  3.5-3.575 and 3.750-3.825 MHz
                                                    Remote Switchable @ 12 VDC
                   Gain                             6.3 dBd
                   Front to Back                    20 dB Typ.
                   Power Handling                   5 KW, cont. standard
                   Feed Imp. / Conn type            50 Ohms/ SO-239 ('N' opt.)
                   VSWR / Bandwidth                 1.2:1 typ. / 2:1 @ edges
                   Balun                            1:2 Coaxial (2 x 75 Ohm 1/4 waves in parallel)
                   Boom Length / Dia.               58 ft / 4-1/2" O.D. center sec. / 4" O.D. tips
                   Boom support                     Overhead 3/16" aircraft cable
                   Element length                   85 ft. / Linear Loaded
                   Element diameter                 3", 2, 1-3/4, 1-1/2, 1-1/4, 1, & 3/4" tips
                   Recommended height               90 ft Min. 120-180 ft nom.
                   Turning radius                   52'
                   Mast Size                        2 in. nom. or specify
                   Wind Area / Survival             30.5 sq. ft. / 100 mph
                   Weight / Ship wt.                300 lbs / 400 lbs -Truck
                   Price                            $ 3,400.00



FEATURES
   The 80M3 is a real performer, both mechanically and electrically. Element halves start with 3" diameter
tubing and taper through 2", 1-3/4", 1-1/2", 1-1/4", and 1" sections to the 3/4" tips. The 3" and 2" sections
are separated by a polyethylene insulator to allow for the linear loading (#10 copperweld). A solid 2" O.D.
Fiberglass rod, sleeved to the 3" elements, serves as the center insulator. The center boom section is 4-
1/2" O.D. x 20' with nearly 1/4" wall thickness. The two outer boom sections are 4" O.D. x 20' x .125 wall.
   The linear loading terminates above the boom and out of the element plane to reduce inductive
cancellation, provide element support,and reduce excessive droop. The 1:2, 5 KW balun, and phone / CW
power switching relays are housed in heavy wall ABS cannisters at the center of each element. CW / Phone
switching relays require 12 VDC supply.


        7560 N. Del Mar Ave, Fresno CA 93711 (209) 432-8873 FAX (209) 432-3059

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