background image

115

050115

CONN

1

BOOT

116

240116

SILICONE

1

PACKAGE

6

FIGURE G

KEY        P/N                     DISPLAY                         DESC                         SIZE                  QTY

SILICONE GREASE

cushcraft

A270-10S

SPECIFICATIONS

MODEL

A270-10S

Frequency, MHz

144-148
430-450

No. Elements

5/5

Forward Gain, dBd

10/10

Front to Back Ratio, dB

20/18

SWR 1.2:1 Typical
2:1 Bandwidth MHz

4 / 

10

Power Rating, Watts PEP

350 / 350

3 dB Beamwidth, Degrees
     E Plane

52 / 52

     H Plane

60 / 60

Boom Length, ft (m)

6.17 (1.9)

Longest Element, in(cm)

40.3 (102.4)

Turning Radius, ft (m)

6 (1.8)

Mast Size Range, in

1.25-2.0

(cm)

(3.2-5.1)

Wind Load, ft

2

 (m

2

)

.725 (.07)

Weight, lb (kg)

1.8 (.81)

Hardware

Stainless steel

TAPE

TAPE

FL

TAPE

115

Your PL-259
connector

FL

cushcraft

SILICONE GREASE

cushcraft

Do NOT coat

 center pin

or socket!!

Your 

 feedline

cushcraft

#6 - FEEDLINE

Tape your feedline down the mast (figure G).  Any
length of feedline can be used with your A270-10S.
The shortest length cable will have the least loss.
Before installing your connector, slide boot (115) over
your feedline.  Now, coat the outer threads of the T-
connector with silicone grease (116).  Do not coat
center pin.  Thread PL-259  connector onto T-connec-
tor.  Apply silicone grease over outside shell of PL-
259.  Slide boot over PL-259 until it butts against the
T-connector for a waterproof seal.

Summary of Contents for A270-10S

Page 1: ...951377 1 94 C O R P O R A T I O N ASSEMBLY AND INSTALLATION A270 10S 2 METER 70 CM YAGI ANTENNA 144 148 430 450 MHz ...

Page 2: ...ization normally SSB and CW mount the A270 10S with the elements parallel to the ground SYSTEM GROUNDING Direct grounding of the antenna mast and tower is very important This serves as protection from lightning strikes static buildup and high voltage which is present in the radio equipment connected to the antenna A good electrical connection should be made to one or more ground rods or other exte...

Page 3: ...aluminum flat washer 4 BA 1 x 32 2 5 x 81 3 cm aluminum tubing slotted one end 1 BB 7 8 x 48 2 2 x 122 cm aluminum tubing 1 EA 40 3 4 103 5 cm element rod 1 EB 14 15 16 37 9 cm element rod 1 EC 1 2 x 37 1 4 1 3 x 94 6 cm element tube drilled in ctr 1 ED 1 2 x 12 7 16 1 3 x 31 6 cm element tube drilled in ctr 1 EE 12 7 16 31 6 cm element rod 1 EF 12 3 16 30 9 cm element rod 1 EG 12 1 16 30 6 cm ele...

Page 4: ...aps and secure to the connector using washer 41 and nut 11 Set the distance between the connector bracket 23 and the straps 921 as shown in figure B and tighten the hardware Attach the other Reddi Match sub assembly RM2 to the other driven element ED using washer 41 and nut 11 Be sure to set the Reddi Match strap dimension shown in figure B Install end caps 53 on ends of elements EC and ED A270 10...

Page 5: ...re on opposite sides of the boom ELEMENT LENGTH KEY NO INCHES CM EA 1 40 3 4 103 5 EB 2 14 15 16 37 9 EC 3 37 1 4 94 6 ED 4 12 7 16 31 6 EE 5 12 7 16 31 6 EF 6 12 3 16 30 9 EG 7 12 1 16 30 6 EH 8 36 3 8 92 4 EI 9 35 13 16 91 0 EJ 10 34 13 16 88 4 TABLE A ELEMENTS EA EB EC ED EE EF EG EH EI EJ 11 3 4 29 84 cm 3 3 4 9 5 cm 1 13 16 4 6 cm 4 3 16 10 6 cm 5 1 4 13 3 cm 6 13 16 17 3 cm 2 5 16 5 9 cm 14 ...

Page 6: ...arly visible 5 MAST MOUNT 4 FEEDLINE HARNESS Slide back all four vinyl boots on the feedline harness FL to expose the male PL 259 coaxial connectors Unthread both connectors from the coaxial T connector Apply silicone grease 116 to the outer threads of the in line connectors on the T connector and re attach both coaxial male connectors to the T connector Apply silicone grease to the outer shells o...

Page 7: ... Wind Load ft2 m2 725 07 Weight lb kg 1 8 81 Hardware Stainless steel TAPE TAPE FL TAPE 115 Your PL 259 connector FL cushcraft SILICONE GREASE cushcraft Do NOT coat center pin or socket Your feedline cushcraft 6 FEEDLINE Tape your feedline down the mast figure G Any length of feedline can be used with your A270 10S The shortest length cable will have the least loss Before installing your connector...

Page 8: ...ts 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 dam...

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