3
<17m>
HVC18
<10m>
HVC28
WARNINGS:
(1)
Bolts and set screws on antenna and mounting bracket may
loosen from vehicle and road vibration. Be sure to check periodi-
cally to ensure they are fastened securely.
(2)
Avoid obstacles such as tree branches or low overpasses;
impact with these obstacles will cause antenna damage.
(3)
The HV7A is not recommended for either magnet type mounts
or installation on large GVW vehicles.
(4)
Avoid touching antenna while transmitting.
(5)
Do not scratch or remove rubber covering on loading coil
sections.
(6)
Avoid driving with antenna in folded position.
Typical VSWR Charts
<40m>
HVC7
<20m>
HVC14
<15m>
HVC21
6M/50 MHz
2.0
1.1
1.5
-2 MHz
f
o
+2 MHz
—20m
—17m
—15m
—10m
HVC Loading Coils
— 40m
f
o
-14 KHz
+14 KHz
f
o
-30 KHz
+30 KHz
f
o
-90 KHz
+90 KHz
f
o
-70 KHz
+70 KHz
f
o
-195 KHz
+195 KHz
Tuning element
Tuning
Tuning
Tuning
Tuning
