listed in Table 3-1 and discussed below. Additional information is in Chapter 4 of FM 24-16,
Communications-Electronics Operations Orders, Records and Reports, and Chapter 4 of FM 24-18,
Tactical Single Channel Radio Communications Techniques.
Table 3-1. Single-Channel Radio Planning Considerations
(1) The signal officer must know the availability and status of single-channel adios and
associated remote units, retransmission units, and COMSEC devices to ensure adequate communications
are provided on the fluid battlefield.
(2) Frequency management is critical to single-channel radio operations. The signal officer
must continually coordinate with the division signal battalion to ensure the optimum frequencies are
assigned for the air defense battalion's use.
(3) COMSEC is especially critical to single-channel radio communications. Radio, the least
secure means of communication, can be intercepted any time a transmitter is placed in operation. Signal
officers must ensure that proper radiotelephone procedures and COMSEC devices are continually used.
(4) Radio communications reliability depends to a major degree on selecting a good radio
site. High hills or elevated terrain which provide good line-of-sight (LOS) and level, moist ground
which provides good grounding and conductivity are excellent sites for radio communications. Valleys,
underpasses, and areas with high tension lines are poor radio communication sites.
SS0123
3-4
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