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Greetings!  I finally took the plunge and opened a HAM Radio Repair Shop!  https://dnyberg2.wixsite.com/k6nyb

Passed the extra test July 2015. I got my VEC papers Aug 2015.  I am now on LoTW too.

My dad got me started in electronics back in the 70's when he was still an officer in the U.S. Army.

I'm sure I built every Radio Shack red and clear P-Box kit they ever made.

Then I enlisted to go see the world and get an education.

I was a cold war solder in the U.S. Army in Europe stationed at Ray Barracks in Friedberg Germany in the early 80's as a 31V10 Tactical radio operator mechanic.

I took care of the Collins RT-524 transcievers, R-442 recievers and the VINSON crypto gear.

This is the same post Elvis Presley was stationed at in case anyone cares.

After I got my degree, I flopped around many different positions and disciplines throughout the country, eking out a living. My last career before the medical implant business was commercial and military avionics.  Before that it was major telecom stuff including fiber optics up to OC198.

I've been a biomedical engineer with Advanced Bionics in Valencia California since Xmas 2010 and I think this is my last post.

Like most, I'm a huge tech geek!  My passion is X-Band RADAR, radio astronomy and all things related to radio.

I'm up about 1682.385 m or 5519.635 feet in the Kern County Mountains of California.

Look me up on Linked In too!!  https://www.linkedin.com/in/dave-nyberg-ab72628/


Dave K6NYB

My Shack:

Primary HF Radio ICOM IC-756 Pro II

Old Kenwood TS-780 Backup AMSAT Rig

And an old YAESU FT-101ZD Fav Old PROJECT Radio

VHF/UHF Base Radio ICOM IC-820H into a Diamond X-50A Dual Band Base Antenna

HF Antennas:

Cushcraft MA-5B 3 element "small" beam 50 feet AGL (Pic below)

125 foot longwire from a 9:1 UNUN balun from Luis, WP4MLX in PR

Homebrew AMSAT Az/El array (Picture mid page)

YAESU G-450A Rotor on top of...

40 Foot Crank-up Tower (80 Foot on the way)


Heathkit SB-200 (900W max)




I finally bought myself a real amateur antenna.  I bought the Cushcraft MA-5B.   Picture below...

That was taken with the tower cranked all the way down for servicing.  The VHF/UHF Diamond is on the top there.

On the roof to the left is a homebrew Quadrifiler Helix for VHF used to capture those NOAA APT Satellite Pics (Pic at the bottom of the page)

This antenna is really weird!  It does not look like a normal yagi beam and its got all those capacity spars bolted to each element.

Small and doesnt slosh around in the high winds up here.  Not so much gain but pretty good F/B ratio or so they say.  I havent really had a chance to play with it yet.  Its a bit below the tree tops yet.  I desperately need a three section tower.


Below is a dual band Cushcraft I bought and then modified for satellite use.

Below is a picture of me testing a dual VHF / UHF Yagi I built using the plans from WB5CXC originally designed by Martin Steyer DK7ZB from Germany.

While WB5CXC had a simple and quick design method, I opted for something a bit more wind proof.

In the end, because of these mountins, I found the dual band Diamond verticle works better.


My SB-200 below.  Old but still functional.  

New Chinese tubes don't put out max power (Sad Face) but they get me about 300-400 watts peak.

I installed the few sensable mods like soft start, solid state key and a new HV P/S PCBA.  All from http://harbachelectronics.com



The shack grows...  Stay Tuned...  Thats an RF joke get it?  Stay tuned?



My ICOM IC-756 Pro II from my good friend Bill AB6CF...


I have this Kenwood TS-780.  It was my first radio for satellite work...


But then I bought this Icom IC-820H.  Much better radio for satellite work.

Well, I got the AMST bug pretty bad!  Thansk to WA8SME for all his satellite experiance, paitence with my lack of knowledge and his help in getting my up and running!

Below is a pictue of my CCTV pan and tilt AZ / EL rotor with my Arrow II mounted on it. That wasnt so good so I tried to do better...


Below is a picture of my latest AMSAT incarnation.  The dish is for NOAA HRPT L-Band signals among other things.

The 2m on the left is my Cushcraft A270-10S with the 70cm elements removed.  I built that 2X2 wooden boom 11 element 70cm AMSAT antenna.

I cut copper clad welding rods and drilled holes in the 2X2 and drove them in with a hammer like a nail.  The feed is a hairpin.

I got  the plans from here... http://www.wa5vjb.com/yagi-pdf/cheapyagi.pdf


Below is a picture of me testing the new 11 element Yagi for AMSAT.



Below is a great NOAA APT picture from my QTH using that commercail VHF eggbeater quadrifiler Helix on my roof from Quorum.

You can see the one I built next to it in the pictures.  I also use this radio for my downlink reciever for AMSAT work.

I am using WxTrack and SatSignal from my good friend in the UK David Taylor.  Thanks Dave!

The audio data file for this image was captured using my ICOM PCR-1000.

This was from NOV 28 2014


It gets cold up here sometimes!

A few pictures from my Army days...

My chalange coins and Ray Barracks in Friedberg Germany.




Ahhh...  My primary radio in the Army.  Its an RT-524 built by Collins.  One tube output.

Encryption capable.  That was my job.  Taking care of these and the crypto gear.


I went on a business trip to Beijing China recently.  (Cough, choke) Below is a pic of the Forbidden City...


8453547 Last modified: 2017-11-15 00:36:24, 10334 bytes

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