Author Archives: ha7mac
Multi band pocket size QRP
Dear radio friends! This project started as usual: just because I want to have a “new” pocket size QRP when climbing the mountains. So design rules was: KISS (keep it simple stupid), lightweight, do not need extra cables, batteries only … Continue reading
SOTA CW keyer + decoder (mini portable)
Dear radio fiends! My goal was to have a portable CW keyer with memories beacon and cw decoder function, because I’m not a good CW operator. Of course it must be lightweight and small ass possible. The requirement can not … Continue reading
Trap antenna again
Trap antenna again. I start to create a new trap antenna for HA7AJ Attila. The requirement is to work on CW segment 3.5MHz, 7MHz, 10MHz, 14MHz, 18MHz. Maximum power is 400W. I decided to work with coax traps with RG58 … Continue reading
microBITX / uBITX full extra desktop radio
Hello radio friends, I’m decided to create a desktop version microBITX radio. Why it will be a full extra version? Because there will be an orange pi PC for remote control & digital mode operations in the box. It can … Continue reading
Újabb QRP végfok
A kitsandparts 5w vegfoka újraépíteve Kimenő szűrők után már szép képet ad. 7 és 14 MHz-en
Nem sátor, de jó
Harmatfedél, kitelepülős, csavargós napokra. Majd később kiderül mire kell és kinek. És még nem is nehéz..
Lakoauto problema
http://maps.google.com/maps?f=d&daddr=lakoauto@46.246925,15.169734 http://www.openstreetmap.org/#name=lakoauto&map=15/46.246925/15.169734
Antenna HA7AJ barátomnál
A 2m-es antenna is fent volt és megnéztem, az analizátorral is. 50MHz-es antenna megint. Antenna analízis: Festés és összeállitás első lépés C sapágyház…Lassan, de halad.Antenna forgató belűlről:Árbóc alapozás után, cső válogatás:Innen indúltunk.
uBITX my buid module-by-module
Hello, First of all I start to document it while the build is ongoing so there will be lot of update (fine tuning) and modification. This is the first version aka prototype. It is only for developmnet I plan to … Continue reading
uBITX my build
So let’s go build a uBITX from scratch. Now I have limited free time, only just share with you the happyness of first receive, but I promiss to you I will back with details and steps and full story. Update … Continue reading