Chapter 2. FUNCTIONING OF EQUIPMENT - TM-11-5825-271-340006

TM 11-5825-271-34

CHAPTER 2

FUNCTIONING OF EQUIPMENT

Section I. GENERAL

installation (figs. 2-1 and 2-2). When configured as a

2-1. Introduction

single transmitter installation, the system consists of an

The NDB transmitter is a 50-watt transmitter which, when

NDB transmitter and an ATU which connects to an

used in conjunction with an ATU and a suitable antenna,

When configured as a dual transmitter

serves as a nondirectional radio aid operating in the 190

installation (with main and standby NDB transmitters),

kHz to 535 kHz frequency band. The system is designed

the change-over unit is used to connect the two NDB

for continuous operation.

transmitters to the ATU and to provide switching m the

event of a malfunction in the main NDB transmitter

2-2. System Description

a. The system can be configured as a single

transmitter installation or as a dual transmitter

Figure 2-1. Single NDB Transmitter System

2-1