[QRP] Wattmeters, SWR Bridges, and related items FS

Sat Jun 12 09:13:57 EDT 2010

Wattmeters, SWR Bridges, and related items For Sale:

ParaDynamics PDC-5 Wattmeter
This unit has a wattmeter with scales of 100 W, 10 W, and
1 W. It has an SWR Bridge built in, with an antenna tuner.
It was obviously made for 11 meter use, but it works well
on other frequencies. The tuner portion works fine on 10 m,
12 m, and 15 m. The wattmeter seems accurate from 20 meters
thru 10 meters.
It is physically small (only 5 X 3 X 1), so would be ideal
for portable use.
The wattmeter and antenna tuner portion work fine, however,
the SWR portion of this unit is inoperative. It looks fine. $12

Dual Meter SWR Bridges:

All of these feature two separate meters -- one for reading
forward power and another for reading SWR. This permits one
to easily monitor both the power going out, and the SWR on
the antenna. They were made in Japan, and labeled with various
names, including Swan, Siltronix, and Quement. All have SO-239
connectors on each end, and work fine.

All will work on HF, and VHF, covering 3 to 150 MHz, so are
ideal for the new rigs that include 6 and 2 meters.

Swan SWR-1
This one is in its original box, but the meter itself says
Siltronix on it. The original instruction sheet has both
Swan and Siltronix on it. $45

Quement SWB-2
No box for this one, but it works fine and looks great.
With paper work for $40

SWR Bridges / Field Strength Meters:

Midland 23-126 SWR Bridge / Field Strength Meter
This is an HF SWR Bridge, but it can be used up thru 2 meters,
with slightly reduced accuracy. It is also a field strength
meter. SO-239 connectors.
This one works fine, and looks extremely nice. I do not see
any scratches on it; it may not have ever been used. In its
original box with original instructions and small telescoping
antenna. $35

ThordTest SWFS-2 SWR Bridge / Field Strength Meter
Appears to be the same as the Midland above, but the outer case
is beige instead of black.
In original box, with original instruction sheet, and antenna.
$30

Heath HM-2102 VHF wattmeter, covering 50 to 160 MHz.

Similar to the HM-102, but for VHF frequencies, with 250 and
25 watt scales. It can also be used to check SWR, and has a
remote sensor that can either be left inside the meter, or
separated from the actual meter. SO-239 connectors in and out.

This particular meter works great. It looks good, but has a
small defect on the left side of the meter that does not
effect operation.

Paper work included for $40.

Autek QF-1 A, Active Audio Filter

This is an audio filter that goes between your rig and speaker.
It runs off of 110 V AC, and will peak, notch, or become a low
pass or high pass filter. Selectivity (bandwidth) and frequency
are adjustable from the front panel. This is the "A" model that
also has an additional notch filter added. The input is an 1/4 inch
phone plug, and the output is a 1/4 inch jack on the rear panel.

This particular unit looks very, very nice, and works 100%.
With paper work for $55.

Low Pass TVI Filters:

A low pass TVI filter is added to the transmitter
to reduce harmonic interference. Both have SO-239 connectors.

B & W FL-10/1500 low pass filter
This 50 ohm filter cuts off just above 10 meters, and will
handle 1500 Watts. This is the latest model B & W filter.
It is in very nice condition; it looks very close to new.
With paper work $40.

B & W 425 low pass filter
It cuts off just above 10 meters, and will handle 1500+ Watts.
Maximum attenuation is at 52 MHz, with at least 70 db across
the band. This is an older model that seems much heavier duty.
It weighs almost twice as much as the newer model, and looks
like it would take more power. It even has a serial number on
it, and "Patent applied for". Paper work included. $35

Drake TV-3300-LP Low Pass Filter
This is a modern low pass filter to go between your transmitter
and antenna, and has been optimized to have more attenuation
in the 40 MHz region, where many TVs have their IF. It is good
for 1000 Watts "average" according to the manual, and has
over 80 db attenuation at 41 MHz. This one looks great, and
includes the paper work. $30

Hustler MOS Monitor Antenna:
The Hustler MOS monitor antenna is for use on indoor scanners.
It features a suction cup to hold it to the top of the table.
A Motorola type connector can be moved up and down the antenna
so that it is just the right height to plug directly in to
your scanner.
Basically, this antenna will attach to the table behind your
desktop scanner, out of the way, but will provide a significant
amount of gain over the internal antenna.
This particular antenna works fine, and looks very close to new.
$20

Prices do not include shipping from Florida.

Thanks.

73,

Ken, W8EK

Ken Simpson
E-mail to W8EK at FLHam.net or W8EK at arrl.net
Voice Phone  (352) 732-8400

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