M2 Antenna Systems 300XP12 Manuale utente

M2 Antenna Systems, Inc. 4402 N. Selland Ave. Fresno, CA 93722

Tel: (559) 432-8873 Fax: (559) 432-3059 Web: www.m2inc.com

Rev.00

Model .........................................300XP12

Frequency Range.......................280 To 320 mHz

*Gain ..........................................10.8 dBi

Front to back ..............................18.9 dB Typical

Beamwidth ...............................26° Typical

Feed type ...................................Folded Dipole

Feed Impedance........................50 Ohms Unbalanced

Maximum VSWR........................2:1

Input Connector..........................“N” Female

Power Handling..........................1.5 kW

Boom Length / Dia......................62” / 1”

Maximum Element Length..........21-.312”

Turning Radius:..........................59”

Stacking Distance.......................39”

Mast Size....................................2” Nom.

Wind area / Survival...................0.84 Sq. Ft. / 100MPH

Weight / Ship Wt.........................8 Lbs. / 13 Lbs.

M2 Antenna Systems, Inc.

Model No: 300XP12

FEATURES:

The 300XP12 is high performance circular polarized antenna with a remarkably clean pattern. The pattern is im-

portant in order to match the antenna’s noise temperature with modern low noise preamps. This antenna is ideal for satel-

lite work but is also excellent for terrestrial uses like ATV, repeater operation, and long haul tropo DX.

The CNC machined driven element module is O-ring sealed and weather tight for low maintenance and long-term

peak performance. Internal connected are encapsulated in a space-age silicone gel that seals out moisture and improves

power handling. The 1/2” 6061-T6 rod elements are centered to minimize interaction and maintain good ellipticity. Insula-

tors are UV stabilized and locked in place with stainless keepers. Rugged construction, uncompromising performance for

the boom length: that’s the M2300XP12!

SPECIFICATIONS:

*Subtract 2.14 from dBi for dBd

TOOL REQUIRED FOR ASSEMBLY: screwdriver, 11/32 nut driver or wrench, 7/16” and 1/2” socket or end

wrenches, measuring tape.

1. Assemble the boom using 8-32 X 1-1/4 screws and locknuts to join sections. (SEE DIMENSION SHEET).

2. Install Horizontal & Vertical Driven Element Assembly on to boom using 1/4-20 X 3” Bolt and lock nuts.

(SEE DIMENSION SHEET).

ASSEMBLING THE HORIZONTAL ELEMENTS

3. Layout the Horizontal elements by length and position as shown on the DIMENSION SHEET. Start with the

reflector (longest) element, install using a Screw, 6-32 X 1”,SS.

ASSEMBLING THE VERTICAL ELEMENTS

4. Layout the Vertical elements by length and position as shown on the DIMENSION SHEET. Start with the

reflector (longest) element, install using a Screw, 6-32 X 1”,SS. Note: The vertical element set is shifted

forward on the boom by 1/4 wave lengths. This increases isolation between element planes, improving

circularity and ease of phasing / matching the two element sets.

5. Install the boom to mast plate to the rear of the boom (SEE BOOM TO MAST DETAIL PAGE). Use two 1" U-

bolts and the stainless nuts and lock washers provided. DO NOT OVER TIGHTEN. 2” U-bolts (and stainless

steel nuts / lock washers) are provided for mounting the antenna to your NON-CONDUCTIVE mast or

crossboom. Other size u-bolts and cradles are available upon request.

M2ANTENNA SYSTEMS, INC.

4402 N. SELLAND AVE.

FRESNO, CA 93722

(559) 432-8873 FAX: 432-3059

www.m2inc.com Email: [email protected]

300XP12 ASSEMBLY MANUAL

300XP12 DIMENSION SHEET

1/4-20 X 3.0 BOLT

& LOCKING NUT

300XP12 BOOM TO MAST PLATE DETAIL

BOOM TO MAST PLATE

3”X 4” 125” WITH

1” CRADDLES

BOLT, 1/4-20 X 2.0”

& 1/4-20 NUTS AND

LOCKWASHERS

2” U-BOLT & CRADDLES

& 5/16-18 NUTS AND

LOCKWASHERS

300XP12 PARTS & HARDWARE

DESCRIPTION ..............................................................................QTY

BOOM SECTION # 1 W/STIFFNER, 1” X .058 X 48” SOE........... 1

BOOM SECTION # 2, 1” X .058 X 17”...........................................1

ELEMENTS, 5/16” ROD x DIM SHEET.........................................10

DRIVEN ELEMENT ASSEMBLY...................................................2

BOOM-TO-MAST PLATE, 3 X 4 X 0.125" (M2APT0019)............. 1

U-BOLT & CRADLE, 2” .................................................................2

CRADLE 1.0”, MACHINED (M2AMC0110)................................... 4

PENETROX / ZINC PASTE CUP..................................................1

ASSEMBLY MANUAL ...................................................................1

HARDWARE:

NUT, 5/16-18 SS............................................................................4

LOCKWASHER, 5/16 SS ..............................................................4

NUT LOCKING, 1/4-20 SS............................................................6

BOLT, 1/4-20 X 3.0 SS.................................................................. 2

BOLT, 1/4-20 X 2.0 SS.................................................................. 4

SCREW, 6-32 X 1.0 SS.................................................................12

LOCKWASHER, #6 SS .................................................................12

CABLE TIE, 8” NYLON..................................................................4

M2ANTENNA SYSTEMS, INC.

4402 N. SELLAND AVE.

FRESNO, CA 93722

(559) 432-8873 FAX: 432-3059

www.m2inc.com Email: [email protected]

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