MFJ MFJ-1912 User manual

Portable Antenna Mount
MFJ-1912
INSTRUCTION MANUAL
©2020
MFJ Enterprises, Inc.
300 Industrial Park Rd. Starkville, MS 39759
P: [phone]
F: [phone]

DISCLAIMER
The information in this manual is for user purposes only and is not
intended to supersede information contained in customer regulations,
technical manuals or documents, positional handbooks, or other official
publications. The copy of this manual provided to the customer will
not be updated to reflect current data. Customers using this manual
should report errors or omissions, recommendations for improvements,
or other comments to MFJ Enterprises, 300 Industrial Park Road,
Starkville, MS 39759.
Phone: [phone]
Fax: [phone]
Business hours: M-F 8:00 AM - 4:30 PM CST.

Contents
1 THE MFJ-1912 1
2 SYSTEM SETUP & OPERATION 2
2.1 SETUP ........................................... 2
2.2 ANTENNACONNECTIONS............................... 3
3 TECHNICAL ASSISTANCE 3
List of Figures
1 TheMFJ-1912 ....................................... 1
2 AnMFJ-1912Setup .................................... 2
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MFJ-1912 Portable Antenna Mount Instruction & Technical Manual
1 THE MFJ-1912
Take your antenna on the road with the MFJ-1912 Portable Antenna Mount ™! Designed to give
you maximum versatility, the MFJ-1912 will go anywhere you do. The MFJ-1912 is built entirely
from stainless steel, giving it a professional brushed finish that looks as good as it performs! The
MFJ-1912 comes loaded with connectors for whatever antenna you need to use.∗No need to bring
a bunch of heavy gear to hold your antenna up. Simply park your car atop the six-pound Portable
Antenna Mount and start setting up. It’s perfect for portable operations from activating that park
to a full-fledged emergency communcations scenario.
Figure 1: The MFJ-1912
∗Depending on your antennas’ footprints, it may not be possible to fit all of them on the MFJ-1912 at once.
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MFJ-1912 Portable Antenna Mount Instruction & Technical Manual
2 SYSTEM SETUP & OPERATION
2.1 SETUP
Setup is easy, and once onsite you can be on-air within minutes.
Step 1: Park on the MFJ-1912
Step 2: Attach mast or other antennas
Step 3: Connect radio(s)
Step 4: Operate!
(a) MFJ-1912 secured by a vehicle (b) MFJ-1912 supporting an MFJ-1916 mast
Figure 2: An MFJ-1912 Setup
WARNING
Always guy any mast held by the MFJ-1912. Failure to do so may result in structural collapse,
property damage, and personal injury.
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MFJ-1912 Portable Antenna Mount Instruction & Technical Manual
2.2 ANTENNA CONNECTIONS
•SO-239 to 3/8-24 Gumdrop: Mounts heavy HF antennas up to a full-sized Tarheel
•SO-239 to 3/8-24 Stub: Mounts light HF antennas or mobile VHF/UHF antennas
•SO-239 to SO-239 Barrel: General-purpose passthrough
•Binding Posts: Mounts either ladder line or individual wires. Not grounded.
•PL-259 to NMO: Mounts most mobile VHF/UHF antennas
•23 /4” U-bolts: Mounts light- and medium-weight masts and poles. May require guy wires.
3 TECHNICAL ASSISTANCE
If you have any problem with this unit first check the appropriate section of this manual. If the
manual does not reference your problem or reading the manual does not solve your problem, you
may call MFJ Technical Service at [phone] or the MFJ Factory at [phone]. You will
be best helped if you have your unit, manual, and all information on your station handy so you can
answer any questions the technicians may ask.
You can also send questions by mail to MFJ Enterprises, Inc., 300 Industrial Park Road,
Starkville, MS 39759; by Facsimile (FAX) to 662-323-6551; or by email to
tec[email protected]. Send a complete description of your problem, an explanation of
exactly how you are using your unit, and a complete description of your station.
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USER NOTES