MFJ MFJ-1621 User Manual
WARNING:
1.
Never touch the telescoping whip while transmitting. It can cause
OWNER'S MANUAL
MFJ-1621 PORTABLE ANTENNA
severe RF burn.
2. Never place the MFJ-1621 in rain or expose to adverse weather
conditions.
NOTE: 1. The telescoping whip must be fully extended for proper operation.
2. The coax cable must be fully stretched out and not coiled up or
crossing.
CAUTION: Read All Instructions Before Operating Equipment.
MFJ ENTERPRISES, INC.
P. O. BOX 494, MISSISSIPPI STATE, MS. 39762, USA
© MFJ ENTERP RISES, INC.
Thank you for purchasing the MFJ
-
1621 Portable Antenna. This antenna
will operate on 7, 10, 14, 21, 24 and 30 MHz. Maximum input power is 200
in for ease of tuning.
enjoy operating your rig in remote locations
(camping, motels, field day, etc). where a regular antenna may be difficult
that this
a regular full
you to operate
1621 is tapped to match the telescopic whip
elow 2:1 can be obtained in most
cases. Note that although the BAND switch is labeled for certain bands of
operation, there will be cases where you will find that the minimum SWR
watts. In addition a field strength meter is builtWith the MFJ-1621, you can
to set-up and it does not require a ground plane. Keep in mind
antenna is not intended to permanently replace or out perform
size antenna (dipole, beam, etc). It is designed to allow
when no other antenna is available.
GENERAL INFORMATION
The inductor of the MFJ-
supplied when it is fully extended. SWR b
occurs with the BAND switch set to a different band. This condition is
normal.
Fifty feet of RG-58/u cable is provided to allow you to locate the
antenna where it is best for operation. Keep the antenna clear from
metallic objects and other obstacles which may interfere with operation.
Since RF is presented at the antenna, it is important that the plastic
tubing be placed over the whip to avoid RF burns to bystander. Also, it is
a good idea to anchor the unit when it is windy.
INSTALLATION
Connect the transceiver to a SWR/Wattmeter with a short piece of RG58/u coax cable. Connect the 50 feet coax cable of the MFJ-1621 to the
SWR/Wattmeter. See Figure 1. Install the telescopic whip to the MFJ-
1621. Secure the whip with the two set of screws.
Figure 1
OPERATION
CAUTION : Don't touch the antenna when operating. It will cause an RF
burn.
1. Connect the MFJ-1621 as described above.
2. Extend the telescopic whip fully and install the plastic tubing over the
whip. Locate the MFJ-1621 close to the transceiver.
3. Set the transceiver to the desired band and frequency.
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