CUSHCRAFT A144-20T Assembly And Installation Manual Download Page 7

A144-20T

7

LIMITED WARRANTY

Cushcraft Corporation, P.O. Box 4680, Manchester, New Hampshire 03108,  warrants to the original consumer purchaser for one year from date of purchase that each
Cushcraft antenna is free of defects in material or workmanship.  If, in the judgement of Cushcraft, any such antenna is defective, then Cushcraft Corporation will, at
its option, repair or replace the antenna at its expense within thirty days of the date the antenna is returned (at purchasers expense) to Cushcraft or one of its authorized
representatives.  This warranty is in lieu of all other expressed warranties, any implied warranty is limited in duration to one year.  Cushcraft  Corporation shall not be
liable for any incidental or consequential damages which may result from a defect.  Some states do not allow limitations on how long an implied warranty lasts or exclusions
or limitations of incidental or consequential damages, so the above limitation and exclusion may not apply to you.  This warranty gives you specific legal rights, and you
may also have other rights which vary from state to state.  This  warranty does not extend to any products which have been subject to misuse, neglect, accident or improper
installation.  Any repairs or alterations outside of the Cushcraft factory will nullify this warranty.

48 PERIMETER ROAD, MANCHESTER, NH 03108

603-627-7877 / TELEX 4949472 / FAX 603-627-1764

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

C   O   R   P   O   R   A   T   I   O   N

SPECIFICATIONS

MODEL

A144-20T

Frequency, MHz

144-148

No. Elements

20

Forward Gain, dBd

11.1

Front to Back Ratio, dB

24

SWR 1.2:1 Typical
2:1 Bandwidth MHz

4

Power Rating, Watts PEP

1000

3 dB Beamwidth, Degrees
     E Plane

45

     H Plane

50

Boom Length, ft (m)

11 (3.4)

Longest Element, in(cm)

40.6 (103)

Turning Radius, ft (m)

7.5 (2.3)

Mast Size Range, in (cm)

1.25-2.0
(3.2-5.1)

Wind Load, ft

2

 (m

2

)

1.21 (0.11)

Weight, lb (kg)

7 (3.15)

Hardware

Stainless steel

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Summary of Contents for A144-20T

Page 1: ...951452 5 97 C O R P O R A T I O N ASSEMBLY AND INSTALLATION A144 20T 2 METER TWIST YAGI ANTENNA 144 148 MHz Downloaded by RadioAmateur EU ...

Page 2: ... will provide the best service and longest life Often it is desirable to mount several antennas ononemast Tokeeppossibleinteractiontominimum placeyourantennasasfarapartasyoucan TheA144 20Ttransmitsandreceiveshorizontal and vertical polarization Vertical polarization is normally for FM and packet while horizontal polarization is normally for SSB and CW SYSTEM GROUNDING Direct grounding of the anten...

Page 3: ...m white plastic cap 2 326 290326 Danger label 1 401 010401 3 x 1 3 4 7 6 x 4 4 cm stainless steel U bolt 2 2 MASTER PARTS LIST KEY PART DESCRIPTION QUANTITY KEY PART DESCRIPTION QUANTITY 404 010404 3 1 4 x 2 7 16 8 3 x 6 2 cm stainless steel U bolt 2 410 030410 1 2 5 cm stainless steel worm clamp 2 921 200921 Reddi Match clamp 4 941 360941 8 aluminum flat washer 4 BA 1 x 48 2 5 x 122 cm aluminum t...

Page 4: ...rd the center of the boom Assemble the Reddi Match components RR PT RT and 251 Set them aside for the moment Loosely attach the Reddi Match straps 921 to the driven elements H2 V2 as shown Slide the Reddi Match assembly through the Reddi Match straps and secure the rod RR to the connector Use washer 41 and nut 11 Next slide the poly tube PT to the flattened end of the rod Figure C 2 Set the dimens...

Page 5: ... and tighten the worm clamps Push the end caps 61 onto the ends of the boom KEY P N DISPLAY DESC SIZE QTY FIGURE B 6 5 16 16 cm 1 7 16 3 65 cm 12 11 16 32 2 cm 17 13 16 45 2 cm BA BC BA BB BC 410 61 410 61 12 7 16 31 6 cm 1 7 16 3 65 cm BB 11 27 9 cm Make a mark here Make a mark here 5 12 7 cm 20 3 8 51 75 cm 15 1 8 38 42 cm 132 335 3 cm FRONT BACK FIGURE A 15 38 1 cm 16 3 8 41 6 cm FRONT BACK Vie...

Page 6: ...1 010401 SS 3 x 1 3 4 2 U BOLT 7 6 x 4 4 cm 404 010404 SS 3 1 4 x 2 7 16 2 U BOLT 8 3 x 6 2 cm FIGURE E 115 050115 CONN 2 BOOT 116 240116 SILICONE 2 PACKAGE KEY P N DISPLAY DESC SIZE QTY SILICONE GREASE cushcraft 4 FEEDLINE This antenna is designed for use with 50 Ohm coaxial cable termi nated with a PL 259 connector Any length of feedline can be used with your A144 20T The shortest length of cabl...

Page 7: ...clusions or limitations of incidental or consequential damages so the above limitation and exclusion may not apply to you This warranty gives you specific legal rights and you mayalsohaveotherrightswhichvaryfromstatetostate This warrantydoesnotextendtoanyproductswhichhavebeensubjecttomisuse neglect accidentorimproper installation Any repairs or alterations outside of the Cushcraft factory will nul...

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