Specifications
http://www.ameritron.com 9
AMERITRON's SDA-100 may be the
best built, best looking, best performing
HF mobile screwdriver antenna in the
world! When properly installed on your
vehicle this antenna provides coverage from
80 through 10 Meters with a 6 foot whip.
Remove the whip for 40 through 6 Meters.
What makes our antennas stand above
all the rest is that our CNC machined com-
ponents are from aircraft aluminum or stain-
less steel and blueprinted, meaning you can
take antennas apart and mix them up, then
reassemble and they all work the same.
Our fiberglass coil form is approxi-
mately 2 inches in diameter. Other antenna
builders know fiberglass is better but they
choose not to use it because of the expense
and difficulty in machining. We use 14
gauge wire for high power capability,
wound at eight turns an inch for maximum
efficiency. We machine groove our coils so
they will not loosen up or jam -- they won't
wear out, for years of trouble free service!
New Lexan cover is super durable and
protects your Ameritron screwdriver for
years of trouble-free service.
The decoupler we use is CNC machined
for tight tolerances with custom finger-
stock designed to contact 3 turns of coil all
the time with over 25 pounds of combined
contact pressure. With this design you can
run up to 1.2 kilowatts PEP, trouble free.
It's so superior to anything else on the mar-
ket that we put our outstanding AMER-
ITRON warranty behind it.
We use a new heavy duty Pittman com-
mercial 12 volt gear motor, which is very
durable and quiet while receive tuning.
This motor is super heavy duty for years of
trouble-free service. Antennas come with
the sensors already installed so if you
decide to add an auto controller now or
later, everything is ready.
The AMERITRON SDA-100 includes:
Up/Down switch; 5 feet of motor DC
cable with detachable weather sealed con-
nector; decoupling toroid matching coils.
The SDA-100 comes in a handsome
black finish, using the Dupont
Basecoat/Clearcoat system.
Optional accessories:
SDM-100, $75.
Stainless steel flange mount base
bracket , with multiple pre-punched
holes. The SDA-100 mounting rod is
a 1-in. pipe thread 14-in.
long. Ship Code B.
SWP-100, $19.95.
6-ft stainless steel whip.
Combination Price Saves $!
SDA-110, $454. Combination of SDA-
100 Screwdriver antenna, SDC-100 digital
controller, and SWP-100 six foot stainless
whip. SAVES $!!!
AMERITRON HF Mobile “Screwdriver” Antenna
Programmable 10-Memory
Screwdriver Controller
SDA-100
$
369
Suggested
Retail
1.2 kW... 3.5-30 MHz continuous ...1.5:1 VSWR...more!
Digital Screwdriver
Controller
4-digit
super bright
LEDs tell you exactly
where your antenna is
positioned! Re-tune
exactly -- fast, no guess-
ing. Digital count range
-999 to +999. On/off/reset switch for easy
calibration. 4Wx1
1
/2H x2D”. Use 13.8VDC.
SRS-100, $29.95. Magnetic sensor kit for
High Sierra antennas. SRS-1001, $9.95.
Magnetic sensor kit for Hi-Q Antennas.
SDC-100
$
79
95
Ship Code A
NEW! SDC-102 lets
you save 10 screwdriver
antenna positions in
memory. With a push of
a button, you can quickly
return to any saved position.
Up/Down buttons let
you manually move the
antenna to any desired posi-
tion. A 4-digit turns counter
with bright see-in-the-sun
LEDs gives you precise antenna position.
The antenna always moves to its desired
position from the bottom, insuring that the
motor is always loaded the same.
Ameritron’s AutoPark
TM
feature automati-
cally bottoms your antenna for parking in
your garage and resets and calibrates your
counter each time to eliminate antenna slip-
page and turns count errors.
Ameritron’s Dead-OnSTOP
TM
feature
eliminates overshoot for dead-on stops.
Ameritron’s StallProtector
TM
feature shuts
off stalled motors to prevent motor burnout.
Motor current can be monitored for signs
of trouble and to determine stall current.
Motor direction can be reversed so the UP
button is always up. Compatible with single/
dual magnetic sensors. 3
1
/2Wx3
1
/4Hx1
1
/4D in.
SRS-100, $29.95. Magnetic sensor kit for
High Sierra antennas to use SDC-102.
SRS-1001, $9.95. Magnetic sensor kit for
Hi-Q Antennas to use SDC-102.
SDC-102
$
119
95
Ship Code A
Ameritron Precision, compact SWR/wattmeters
AMERITRON precision, compact
SWR/Power Meters are the Cadillacs of
ham radio! If you will not settle for less
than the best accuracy and precision these
four new models are for you.
You get a large 2
5
/
8
x1
1
/
4
inch precision
illuminated meter for easy wide-angle
viewing. A highly visible black and red
meter scale on a bright white background
makes it quick and easy to read SWR, for-
ward or reflected power. Lamp requires
13.8 VDC or 110 VAC operation.
A functional and simple front panel lay-
out lets you select power ranges, bands or
make SWR readings intuitively.
The AMERITRONs feature an SWR
scale that extends the full view of the
meter. 3:1 SWR is centered at mid-scale to
give you precision, wide-range measurements.
All AMERITRON precision, compact
meters feature peak and average, forward
and reflected power readings and have
selectable power ranges.
Each AMERITRON is housed in an all
metal cabinet with rubber feet and protect-
ed by durable speckled black paint. A
designer injection molded grey front panel
perfectly matches any transceiver.
6Wx2
1
/
2
Hx4D inches.
Air dielectric SO-239 connectors with
gold plated center pins gives superb per-
formance to beyond 525 MHz.
These meters are precisely factory cali-
brated for accurate measurments.
Choose from four Ameritron models . . .
AWM-20, $144.95. HF, covers 1.6 to
60 MHz. 30, 300, 3000 Watt power ranges.
AWM-22, $104.95. HF/VHF, covers
1.8 to 200 MHz. 5, 20, 200W power ranges.
AWM-23, $124.95. VHF/UHF, covers
125-525 MHz. 5, 20, 200W power ranges.
AWM-24, $179.95. HF/VHF/UHF,
covers 1.8-525 MHz. 5, 20, 200W power
ranges.