Hello Wolf, I finally reached dk0swf in the early morning. He gave me 599. My question if this was a real report, was ignored... 73 Df5qg Christian Groeger
Hello Wolf! These are quite good news! Thanks! Last night I changed the transformer of the irf 540. A ferrit Core from an old tv set works much better than these amidon toys... Now ant current nearly
Christian Groeger Hi Stefan, Thanks for these infos! This is always helpful because I'm not a really good technican. Everything I built was a mixtiure of my ideas and stuff from the net... Output pow
Hi Stefan! I don't know the problem yet. Maybe these small fets went to hot. My pa design is very simple, 2 x irf 540 parallel in class D, transformer to 50 ohm, Pi filter and variometer. Operating v
Hello Stefan! Sunday evening would be fine too! Let me know time, pse. Qth is Preussisch Oldendorf, Not far from df0wd, u probably Know Wolf. Loocking forward to meet u on mf 73 Christian Groeger
Hi Jan, Het spijt me dat ik je niet heb kunnen horen! Er was lokale qrm en het was erg moelijk... Thank you for nice report from the netherlands! We will try it again with fresh pa :-) Vy 73 Df5qg Ch
Hello Stefan, Sorry, my tx broke down, I had to stop. You were here 599 as strong as Wolf df0wd who is my mf neighbour! I'll Call you again next week with new mos fets... 73 Df5qg Christian Groeger
Thanks to all stations sending reports! It was quite impressive hearing my cw from Switzerland, Toni! Working conditions here are: Homemade tx with 2 x irf 540, input 200 w at 12 volts, ant lw 40 m,