Hello John, Monday, October 19, 2015 Thanks John, yes it does help, much appreciated, but what I am still unsure of is if my Scopematch, that shows voltage and current waveforms, is also, on the curr
24 October 2015 I want to try using QRSS on 136 kHz and have a few basic questions if I may? I have made a keying interface for my TS-590 exciter, but not sure of the following: What frequency should
Hello Luis Thursday, October 29, 2015 Nice, congratulations, you should be pleased with that, well done Luis! -- Best regards, Chris 2E0ILY mailto:[email protected]
Hello Erwin, Thursday, October 29, 2015 Thanks for that, I have an ultimate U3 to build for LF, but for now I have built the interfaces for QRS from ON7YD and it's working fine with my TS-590 and G3Y
Hello Stefan, Thursday, October 29, 2015 Now that looks interesting! Could I just ask what sort of current the motor draws? And what sort of RPM it turns at and the gearing used, to give me a guide a
30 October 2015 I now have my loading coil running without a matching transformer, as I have very slightly improved my ground. I get a Zmag of 45.6 Ohms, is it worth worrying about? Thanks, a scan is
Hello Rik, Friday, October 30, 2015 Thanks Rik, I'll not fuss over it then, thanks for the calculations, and thanks to Clemens, too. Have a good weekend! 73 from 2E0ILY -- Best regards, Chris mailto:
Hello Andy, Friday, October 30, 2015 Thanks for the interesting reports Andy. Ground antennas are on the list of things to try, and something that doesn't stick up in the air might even get a slight
Hello Mike, Friday, October 30, 2015 yes, I still have trouble with the workshop alarm going off when I TX, but seemingly only at night, for whatever reason! Isolation is something I need to add. I h
Hello Stefan, Friday, October 30, 2015 Thanks for the detailed info, and thanks to Andy `GNT for the info re the caps. I will order the I/C's for this circuit, and I have ordered a 2 RPM reduction dr
Hello Andy, Saturday, October 31, 2015 Is this what you mean? http://www.chriswilson.tv/phase-driver.jpg Thanks. -- Best regards, Chris mailto:[email protected]
Hello Mike, Monday, November 2, 2015 Thanks for those figures Mike, you keep mentioning more power, or a good signal from low power, but I am running a G3YXM amp, although the antenna is far from opt
Hello Andy, Monday, November 2, 2015 This is a link to the cores I have in this material Andy: http://uk.farnell.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=15001&langId=44&urlRequestType=
Hello Mike, Monday, November 2, 2015 I have this variometer, (although it was sold to me as a goniometer, for a fiver, and is unused). http://www.chriswilson.tv/goniometer.zip It measures, at 136kHz,
Hello Andy, Monday, November 2, 2015 OK, many thanks Andy, I reckon it should be ok for my purposes then, I'll wind one when I get an hour, much appreciated. -- Best regards, Chris mailto:chris@chris
02 November 2015 Are any of you guys using any of the new generation small PC's to run 24 hour grabbers, for WSPR or QRSS? I would rather have a small, low power consumption, quiet (fan-less?) Window
Hello Andy, Monday, November 2, 2015 These cores of mine are of course halves of a whole, there's a plastic bobbin and a stainless clip arrangement that clamps two of the ones in my link together to
04 November 2015 On my 136khz set up I have a short piece of ladder line (about 16 feet high, strapped together at the base only) feeding the corner of my horizontal quad loop, which is about 460 fee
Hello Graham, Friday, November 6, 2015 I am very interested in trying to understand how this thing is radiating, to be honest, given how low the loop is where it is fed by the vertical, and its close
Hello Mike, Saturday, November 7, 2015 Thanks for the info Mike, as always! Is there any real benefit in having the vertical section centralised within the top hat capacitive array, be it a horizonta
