Realistic TRC-422A - Antenna System Information; Citizens Band Frequency Chart; Antenna System Fundamentals

at AD,
ANTENNA SYSTEM
A mobile antenna system is not limited to the antenna itself; both the
transmission line and the vehicle are important factors in the total antenna
system. Therefore you must use the correct type of transmission line and
mount the antenna securely in a position that gives optimal results (more __
on this later). - §
Use coaxial cable with an impedance of 50 ohms. We suggest type
RG-58/U for lengths under 100’ (30 m), or RG-8/U for longer lengths.
Generally speaking, you should keep the length of the transmission line to
a minimum.
An SWR (Standing Wave Ratio) Meter can help you gauge the efficiency
of your antenna system (how well it is matched to the Transceiver).
ele Shack carries several meters for measuring SWR, RF output power,
ct
The above discussion is as important for reception as it is for
transmission. If a mismatch exists between the antenna and the receiver,
the excellent sensitivity and signal-to-noise ratio of the receiver circuitry
will be defeated.
me ia