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Ham Member Lookups: 8315

 

Hello from Heath

 I was licensed in 1978, held call KA6ESX then Advanced KF6WX and in 2002 K5AFC. In 2008 upgraded and filed W5VB.

 My wife and I are both Air Force GI Brats, I put 4 years in USAF SAC Stationed at Castle AFB CA from 1973 to 1977. Retrained into Electronics when I got out and spent 25 years in Communications based in Northern California. Retired from the company AirTouch Communications in 2000. AirTouch was formerly PacTel Communications and was merged into Verizon Wireless. I have been here in Texas since 1995.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Current Operating equipment is    Kenwood TS-590S and home brew solid state linear covering 1.8 to 60Mhz . The amp is pictured below and is a 4 x MRF-154 MOSFET model based is the Motorola AR347 project bulletin . This amp is capable of producing 2.5kw CW and is powered by a string of 4 Interstate Deep Cycle batteries with a Lorain 30 amp telco rectifier. I run the amp at 52VDC and can be driven to 100 amps. On 10 meters this amp only needs about 20 watts PEP drive to make legal. I recently added a switchable 6db attenuator because some of the Transceivers I've owned have to much output with the power control fully ccw.... It takes more drive on 80 and 40. The output is clean and I run it through a vacuum relay switched Diplexer ( hanging on the wall) before the Power Master Power Sensor. I built this amp from parts acquired from Communications Concepts in 1996. These can still be had today and the price is a bit lower. Amp runs cool at about 110F, I used 2 modules in this amp because one would be pushed to make legal. Makes 1kw on 6 Meters with 50 watts drive. Also I used the VSWR protection relay in the Power Master. Trips at 2.5-1 and it has paid for itself. One other note: The 2 port Combiner is a RF Parts COM10 and is housed in the small aluminum box.

The 4 module amp pictured below is one I built in 1993 and uses 8 MRF-422's and runs on 24Volts. This amp is based on the Motorola EB27A Project bulletin. This is currently installed in a Truck Box in the back of my F-350 Diesel. Employs 3 of the above mentioned batteries plus the 2 in the Front of the truck. Makes 1200 PEP Power on most bands. I drive it with a TS-590S. Antennas employed are Hustler High Power Resonators or helically wound 7 foot fiberglass types and they work like gangbusters.

Input Divider and Output Combiner

This is my other passion. HP Test Equipment. All are in excellent shape and calibrated. With all this I have the capability to generate, measure and analyze signals from subaudio to 26Ghz.. There is a 2.5 KW Bird 30db attenuator which is connected to my bench so I can switch it inline from my operating position and look at my output signals on the HP-8566B Spectrum Analyzer.

Antennas here are 80,40,20,15M Fan Dipole & Cushcraft R-6000 1/2 wave vertical @35'. Also have a 10M 3 Element Hygain LongJohn a 4 Element 6M Hygain and a 6M Ringo @49'.

AM Station last cycle. Johnson 500 with National NC-400

Johnson Invader 2000

Harley Davidson 1946FL Knucklehead

1949 RCA 21" Projection Television Restored 2002 still working today.

My old work QTH circa 1985

Hope to catch you on the bands. 73

8508586 Last modified: 2017-12-12 17:11:35, 5832 bytes

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