Applicable Tool and Test Equipment

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Figure 9. AN/SRD-18 Direction Finding Set

TB-43-0117 Water Craft Electronics Configuration Directory Manual

Figure 10. AN/SRN-23 Omega Set

TB 43-0117

AN/SRD-18

1. Brief Description: Direction Finder Set AN/SRD-18 Is

Marine band (1,650 to 4,500 KHz). The input power

a navigational aid used aboard ship The set provides

requirement is 115 volts AC, 60 Hz at 90 volt amperes

determination of direction of received radio signals. The

Major components are as follows:

bearing is obtained instantly and is automatically

000-1022

Loop Antenna

presented on cathode-ray tube (crt). Two modes of

001-0634

Antenna Junction Box

operation are available: DF (direction finding) and

000-1030

Recelver-lndlcator Sense Antenna

RECEIVE (Aural reception via loud-speaker). Operating

001-1029

Cable Assembly, Power

frequency range of AN/SRD-18 is 200 to 4,500 KHz

001-0692

Cable Assembly

selectable via three bands, Beacon band (200 to 500

021-1697

Gasket

KHz), Broadcast band (600 to 1,700 KHz) and

021-1696

Antenna Mounting Block

2. Applicable Tool and Test Equipment:

See

Appendix B for nomenclature, NSN, etc.

Type No

AN/GSM-64B

Voltmeter, Digital

AN/URM-25D

Generator. Signal

AN/USM-207A

Counter, Electronic

AN/USM-281C

Oscilloscope

ME-303A/U

Multimeter

TK-100/G

Tool Kit, Electronic

TK-101/G

Tool Kit, Electronic

TK-105/G

Tool Kit, Electronic

TV-7D/U

Test Set, Electron Tube

Applicable Publications:

TM 11-5825-261-12

TM 11-5825-261-20P

TM 11-5825-261-34

TM 11-5825-261-34P