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MV3A has 4 band capability—2m/6m, plus 2 HF bands though use of loading coils. The MV3A is supplied with HVC28 (10m) loading
coil. There are four optional HF coils available: HVC7 (40m), HVC14 (20m), HVC18 (17m), and HVC21 (15m). The MV3A has a fold-
over structure which allows for entrance into parking structures (i.e. garages, buildings, etc.). Use DIAMOND model MX62M Duplexer
for single antenna operation with ICOM IC-706, Yaesu FT100 or for combining HF & VHF transceivers.
Bands Supplied
Power, PEP:
Mount Connection:
Length:
VSWR:
Frequency:
(Nominal BW)
Element Phasing:
Recommended Antenna Mounts:
Recommended Duplexer:
PRECAUTIONS:
(1)
The MV3A requires vehicle ground.
(2)
If installing HVC7 (40m) loading coil, install on top (vertical position) only. Some installations may require a nylon
cable to relieve stress on vehicle mount.
(3)
The MV3A 6m/2m tuning assumes that at least one loading coil is mounted at the top end. VSWR may be out of
specification without the coil(s).
(1)
Choose desired mounting location to insure maxi-
mum strength of mount, best performance of antenna, and
proper vehicle ground.
(2)
Assemble MV3A with desired loading coil (HVC28
10m coil is included in package) and install on vehicle mount.
NOTE: Metric Hex wrenches are enclosed.
(3)
With quality VSWR meter, check VSWR on all bands
to insure proper tuning of antenna. The loading coil rods
may require adjusting or trimming to reach best VSWR. If
it is necessary to trim coil rods, do so in 1/8" increments
only, until lowest VSWR is obtained at desired center fre-
quency. Shortening coil rods will have the effect of raising
the resonant frequency. Check both the high and low band-
width edges before cutting.
Discharge Protection Cap
Metric Hex Wrench M4
MV3A Mobile Antenna System
General Information
Specifications
Installation Instructions
Trim element with cutting de-
vice appropriate for cutting
metal. (i.e. Hacksaw, etc.)
10m/6m/2m
HF 120 watts / VHF 200 watts
UHF
58" (with the HVC7 installed, total length is 80")
1.5:1 Nominal–MV3A (10m/6m/2m)
2m: 144.5-148 MHz; 6m: 52-54* MHz;
10m Loading Coil: 28-29 MHz (± 300 Khz)
HVC7 (40m): (± 28 Khz)
HVC14 (20m): (± 60 Khz)
HVC18 (17m): (±140 Khz)
HVC21 (15m): (± 180 Khz)
*6MSSB-EXT (6m SSB) (± 500 Khz)
5/8 2m, 1/4 6m
Diamond K400C or K600M
Diamond MX62M
MV3A Parts List
—10m Coil
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Related Manuals for Diamond Antenna MV3A
Summary of Contents for Diamond Antenna MV3A
- Page 1 General Information MV3A has 4 band capability—2m/6m, plus 2 HF bands though use of loading coils. The MV3A is supplied with HVC28 (10m) loading coil. There are four optional HF coils available: HVC7 (40m), HVC14 (20m), HVC18 (17m), and HVC21 (15m). The MV3A has a fold- over structure which allows for entrance into parking structures (i.e.
- Page 2 K400C vibration. Trunk/Hatchback Mount The MV3A has a fold-over structure for situations where the Deluxe UHF type base antenna height is a problem (see illustration). Simply unscrew the Dual-axis adjustable fold-over lock, lift up, and tilt over 90°.
- Page 3 HF antenna installations. The next best location is in the center of the driver's side of the trunk (side mounted on driver side to avoid low hanging curbside branches or objects). The DIAMOND K400C and K600M series mounts work well with the MV3A.
- Page 4 6MSSB-EXT SSB extension rod for MV3A The 6MSSB-EXT lowers the 6m resonant frequency of MV3A for 50.1 operation. NOTE: With 6MSSB-EXT installed, you will lose 2m capability of MV3A. Installation: (You have two installation options.) If using one HF coil, simply install in horizontal loading coil support bracket #67402. Follow tuning instructions below.
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