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Recently, I moved to be resident of Boise, ID. Has been 13 years in Bay Area, California, Since I will have the new career that will be station in Bangkok, Thailand so, I decided to move my residency to Boise, ID as my relative and mail stop there.



[General Detail]

My first Call sign...HS1IFU...(1988) License from Bangkok, Thailand. But I only have Technician Class in Thailand

My interest are very in electronic and computer specialist as of my day job as Test Engineer in Semiconductor Industry, Electronic, computer hardware design, Application and Product Development, the most of my incomethat will help me enjoy this hobby...and buy more future radio gear

[APRS Mode:]

I did build my own TRACKER Kit build-in GPS and Transceiver that the latest one. for the fun project HAMHUD II , Tiny Tracker, UI-View setup ****K6XOX-9 on the move *** see picture below:-

I designed new Arduino APRS which much easy to modify or use for many same as TINY Track


Arduino Boot loader and connector is compatible with16F84 TINYTrack


Here also my GeiGer Counter unit with APRS enable :-


[Satellite VHF/UHF]

Successed contact during field day 2011 with AO-27, here the Antenna Picture


This is the Auto- Mode for Rotor Controller during FIELDDAY

IC -910 + Yaesu G-800 AZ- G550 EL , Home Made Arduino Controller.

I have finished this project and made out complete set, if you want this Kit please email me :

I tested and completed kit with G-5500 standard Yaesu G-232 format and also with AZ rotor G-800 and also with G-550 EL rotor.

Check out Project of :- XOX-TRAK at http://blog.siamsq.net


(Automatic Controller for Satellite Communication Stations)

Controller is a complete and automatic controller for Satellite Communication Stations.

When there is the need to communicate by voice or data through a circular or elliptical, low orhigh orbit satellite, it is absolutely essential to have a continuous adjustment of the antennas and station operating frequencies, in order to guarantee the best alignment and RF signal, as also the correct frequency compensation due to Doppler Effect.


Click here for the Completed manual :-



[HF Mode:-]

FT857D and also ATAS120 installed in my 350Z

[More Info]

Please check my website:- www.siamsq.net

[AMSAT Rotor AZ-EL position Project]

I still develop my own AZ-EL rotor with Orbitron controland Won first prize at Homebrew Contest of Sep,2010 FARS meeting, check out more detail at :- http://blog.siamsq.net


Above is my first design with aluminum plate cutting and patch together to proof my concept will work. My Rotary encoder and DC Motor with AZ and EL using AS5040 and I already changed to use US.Digital MA3

Here is my Version 2.0 with MA3 rotary encoder using the same concept of AS-5040 absolute position 10 bit resolution,

Here is the Powerpoint presentation of this project:-


If you read this project's PDF file and you feel want to build one line this then please feel free to send email if you want to build one . It was fun to build something and be able to using for Ham radio. I will help if you really want to build one but I will not build for sale :) this is just a weekend Project.


My Ham Shack RadioStation and work Bench



6145463 Last modified: 2015-07-16 00:18:57, 8007 bytes

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