3 antenna selection, 4 antenna installation considerations – Honeywell BEDIX/KING GPS RNAV User Manual

Page 30

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BENDIX/KING

KLN 90B

Page 2-2

10521I05.TDC

Rev 5, April/2003

2.3.3 ANTENNA SELECTION

The KA 91 and KA 92 GPS active antennas, P/N 071-01545-0200 and 071-01553-0200 respec-
tively, are the designated antennas for the KLN 90B.

2.3.4 ANTENNA INSTALLATION CONSIDERATIONS

The antenna should be mounted on top of the fuselage near the cockpit. Avoid mounting the an-
tenna near any projections, the propeller, and the T-tail of the aircraft, where shadows could occur.
It is recommended that there be a separation of at least 3 ft. between the KLN 90B GPS antenna
and any VHF Comm antenna on the aircraft. Antenna baseplate must be level within 5

°

in both

axes when the aircraft is in level flight. If the antenna is tilted more than 5

°

or is mounted close to

other objects that shadow it, loss of some of the satellites will occur and system performance may
be degraded. Antenna cable and connector information, including vendor information, is listed be-
low. Refer to

figure 2-10

(TNC) and

figure 2-11

(BMA) for cable/connector assembly instructions

for the 0 to 40 feet category using RG 400/U or RG 142B/U. Refer to

figure 2-12

(for both TNC

and BMA) for the 0 to 80 feet and 0 to 100 feet categories.

NOTE

KA 91/92 nominal gain and noise figures are 26.5 dB

and 2.3 dB respectively. With 0.050 ice on radome,

gain will not decrease by more than 2.0 dB when

viewing a satellite from 30

°

above the horizon to ze-

nith, as compared to a no ice condition.

100 to 165 ft. Contact TED, ECS or PIC for complete cable/connector assembly.

NOTE

A right angle antenna connector is available from

Honeywell (P/N 030-00134-0001) or from TED.

TED Manufacturing Corp. Electronic Cable Specialists (ECS)

PIC Wire and Cable

11415 Johnson Drive

11227 W. Forest Home Avenue

N63 W 22619 Main Street

Shawnee, Kansas 66203 Franklin, Wisconsin 53132

P.O. Box 330

Tel: (913) 631-6211

Tel: (800) ECS-WIRE

Sussex, Wisconsin 53089

or (414) 421-5300

Tel: (800) 742-3191

or (414) 246-0500

CABLE

Length

CABLE PART NUM-

BER

BMA CONNECTOR

TNC CONNECTOR

MAX. Allowable

Loss (dB)

0 to 40 ft.

024-00002-0000

RG142B/U

030-00101-0002

TED Mfg. 9-30-10

030-00134-0000

TED Mfg. 5-10-30

8.0

0 to 40 ft.

024-00051-0060

RG400/U

030-00101-0002

TED Mfg. 9-30-10

030-00134-0000

TED Mfg. 5-10-30

8.0

0 to 80 ft.

024-00072-0000

ECS 311601

030-00452-0000

TED Mfg. 9-30-26

030-00108-0002

TED Mfg. 5-10-307

8.0

0 to 100

ft.

024-00071-0000

ECS 311201

030-00452-0001

TED Mfg. 9-30-25

030-00108-0003

TED Mfg. 5-10-306

8.0

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