[VHFcontesting] VHF/UHF Gear For Sale

T. M. k7xc at charter.net
Tue Jul 27 08:16:18 PDT 2010


VHF/UHF Gear For Sale - All prices do not include shipping. FOB 89406.
Photos available - Email of call for more details.


222 Mhz Down East Microwave Inc. Transverter Model #222-28
222-28 (222-224 MHz W/28Mhz IF.) Factory Assembled, 25W outout with 10W
Drive (Common IF Option), <0.8 dB NF, >17 dB Gain, High level mixer, 13.8
VDC nominal, 11 to 16.5 VDC operational. Current drain: 5 -6 amps.
Connectors: DC- RCA Female,RF- Type "N", IF- "BNC", PTT- RCA.
AUX- RCA. $350.00 Working Well

AM-6154 - 144 Mhz VHF Amplifier
AM-6154 2M Amplifier, Fully Converted, Built in PTT Circuit with +28V and
PTT RCA Female Jack's On Back Panel. Tested at 400+ Watts out with current
8930 tube. Runs on either 110V or 220V 60hz AC (Currently configured for
110V), Coaxial  RF Relays Not Included.  85 Lbs  shipping weight
$350.00 Working Well

AM-494 - 144 Mhz VHF Amplifier
AM-494 2M Amplifier, Fully Converted by Joel - N6AMG (Was part of his
estate) Built in Coaxial TR relays, PTT via RCA jack & Pot to adjust
Bias/Amplifier Class on rear panel. Last tested in 1999 at 650+ watts output
from the current pair of 4CX250B tubes in class AB1. Runs on either 110V
or 220V 60hz AC (Currently configured for 110V), Operational Status
unknown as its been in storage 11 years. Uses choke input HV filtering for a
very stable High Voltage.Used on EME 1993-1998. One of the best built
amplifiers I have ever seen. 150 lbs shipping weight    $400.00 AS IS

222 Mhz Amplifier- Lucas Zeta RF Power Module Model #068074-001, Mil
Surplus, Like New Condition. Lucas Zeta RF Power Module Model #068074-001,
Specs Imprinted On case "290-320 MHz. 100W Output. +24V DC Nominal
Operating Voltage, +15V DC Enable Bias." RF Lab Measurements: Low Level
Swept Testing Centered at 222.100 MHz Reveals -27.90 dB Input Return Loss,
+16.77 dB Gain, with a Quiescent Current Of 2.16 Amperes. High Power Testing
revealed that approximately 5W drive = 150W output @ P1dB. +26V is always
present, +15V Bias voltage is switched on when RF is applied to the
amplifier input connector. +28V would yield even better results. Female SMA
Connectors on input and output of  module.
Serial #17, 26V DC, 5.25W In = 150W Out. IDQ=2.00A. 12.2A @ 150W.
Serial #55, 26V DC, 5.25W In = 150W Out. IDQ=1.95A. 12.2A @ 150W.
Each unit will also include a brand NEW heatsink/case designed for a solid
state amplifier with blank front and rear panels.  Add a simple TR Control
circuit and a pair of SMA RF coaxial relays and this is a very clean, self
contained, 100 % duty cycle, amplifier for 222 Mhz that will last forever.
I have two modules/Heatsink cases available.   $175 each Working Well

Spare Tubes:
(1) Eimac 8930 Tested, Great condition, Very Low Hours, $100
(1) Svetlana 4CX400A, Tested/Never used, Brand New Condition, $120
(2) Emaic 8874's, Untested, Used pulls from ebay, $80 (pair)
(2) Eimac 4CX250B's Untested, Good Condition,       $40 (pair)

M2 2M9SSb 144 Mhz Yagi.
Gain- 12.0 dBd, Front to back- 24 dBd, Beamwidth- E=35°/H=40°, 50 Ohms "N"
Female, Power Handling- 1500W, Boom length- 14' 6", Number of Elements- 9,
Turning radius, 8', Mast/Mounting- UP TO 2"/H OR V, Wind Area/Survival -
1.2 SQ FT/100 MPH, Weight 6 LBS. Good Condition. $100

M2 440-18 432 Mhz Yagi
Frequency range- 420 TO 453 MHz, Gain- 14.5 dBd, Front to back- 23 dB,
Beamwidth- E=27°/H=32°, 50 Ohms "N" Female, Power Handling- 1 KW, Boom
length- 136 Inches, Wind Area/Survival .875 SQ FT/100 MPH Weight 5 lbs.
Good Condition. $100

There is more equipment and antennas available and will be posted soon.
If you have any questions please drop me a line. Willing to talk about
package deals too.

73s de Tim - K7XC - DM09nm... sk

"One who fears limits his activities. Failure is only the opportunity to 
more intelligently begin again." -Henry Ford 



More information about the VHFcontesting mailing list