Greetings all, I have just uploaded a new version (V2.76 b23) to the beta-site. For those who experiment with the GPS (NMEA) decoder: The GPS control panel...
278
yewie56
May 5, 2011 3:00 pm
Hello all, as a newbie in this group, i would like to know, if there is any feature to obtain a frequency response calibration curve. I'm using SpectrumLab for...
279
yewie56
May 5, 2011 3:36 pm
Hi, on www.brummforum.net we are investigating some effects of the so called "Taos-Hum Phenomena" and are creating SpectrumLab waterfalls. Sorry, corespondance...
280
wolf_dl4yhf
dl4yhf
May 6, 2011 3:46 pm
Hi there, You could use SL's FFT-based audio filter to equalize the frequency response. http://www.qsl.net/dl4yhf/speclab/filters.htm#fft_filter Set the...
281
yewie56
May 6, 2011 4:20 pm
Thank you wolf, for your faithful help. I would try this. Greetings from Viernheim / Germany near by Weinheim and Mannheim. yewie56...
282
Ken Sejkora
quickhatch44
May 19, 2011 9:47 pm
I don't know if this might have applicability to sound processing and/or VLF listening, but I thought it worth bringing attention to the group. Texas...
283
wolf_dl4yhf
dl4yhf
May 20, 2011 8:11 pm
Thanks for the info Ken, this may be a nice back-end for a software defined receiver. When time permits I will have a look at the datasheet of the audio codec;...
284
vbifyz
May 20, 2011 8:31 pm
The board has TLV320AIC3204 codec. It is a 48kHz device with 93dB SNR. Mike...
285
jed
unclejed613c
May 21, 2011 7:45 pm
this is a development board. i've messed with it some. the USB interface that plugs into the PC is it's JTAG (programming and diagnostics) interface, not it's...
286
wolf_dl4yhf
dl4yhf
Jun 21, 2011 10:25 am
Greetings all, A few new members have joined the group (after it was mentioned on the RSGB LF reflector). For those who wonder what the 9 kHz experiments are...
287
g3zjo
Jun 21, 2011 10:41 am
Hi Wolf I will ask the question in the proper place:-) Is it a known problem for some instances (when running multiple instances of SpeLab) to have blank Plot...
288
wolf_dl4yhf
dl4yhf
Jun 21, 2011 10:52 am
Hi Eddie, I didn't check this here yet (preparing for a trip to the Ham Radio in Friedrichshafen..). But I remember there was a problem under Windows 98 once,...
289
g3zjo
Jun 21, 2011 11:00 am
Hi Wolf Another very small problem that can be worked around. Is there a way to save more than one Conditional Action? I have an application that uses 5...
290
g3zjo
Jun 21, 2011 11:16 am
FB Wolf No hurry at all, enjoy the Friedrichshafen trip. For your information I run Windows XP with SP3. As I am running multiple SpecLab instances I don't run...
291
wolf_dl4yhf
dl4yhf
Jun 21, 2011 1:37 pm
Hi Eddie, ok... the problem is reproducable here now. The reason are not the pens (graphic object) but the access to the plot file buffer. This is what I see...
292
g3zjo
Jun 21, 2011 2:27 pm
Thanks Wolf I think your English Windoze error message translation is exactly right. I will try changing the name of the temporary plot file next time I come ...
293
chrisgomy
Jun 22, 2011 6:19 pm
Hello Wolf, Eddie, group, I've also experienced the missing ink problem and I confirm that choosing a different "plotter_x.tmp" file solves the problem but...
294
wolf_dl4yhf
dl4yhf
Jun 22, 2011 8:01 pm
Hi Chris, Thanks for the feedback - and yes, there is a command to save an image of the plotter window as a file. It's described here: ...
295
g3zjo
Jun 22, 2011 9:20 pm
Hi Chris This one I did work out OK. Periodic Action plot.capture("C/My Export folder/plotted.jpg") 73 Eddie...
296
sm5le
Jun 23, 2011 12:34 pm
Hi all I have to SpecLab running at same PC wtih two different A/D´s. (working fine , 4 channels). Is it possible to have the analyzer taking plot from one...
297
wolf_dl4yhf
dl4yhf
Jun 28, 2011 8:14 pm
Hi Sven, Sorry, not (directly) possible because the plotter running in instance B cannot access (invoke) the analysis functions in instance A. It may be...
298
nothereeither
Jun 28, 2011 9:19 pm
Hello everyone, I looked around to see if anyone had answered this and didnt see anything that looked to match up. I am trying to use Spectrum Lab as a...
299
vbifyz
Jul 5, 2011 1:56 am
Looks like Yaesu protocol has not been implemented yet. No biggie, I'll just use rct.send. Just one question - how do I send binary codes with it? For example,...
300
wolf_dl4yhf
dl4yhf
Jul 5, 2011 5:46 am
Hello Mike, Sending binary bytes in octal (or, which I'd prefer, hexadeximal) notation is not implemented yet. It also wouldn't work with the interpreter...
301
Benoît Mangin
mangin.benoit
Jul 7, 2011 4:31 pm
Hello I'm Benoît, from france. I'm a newly licensed amateur radio (so newly that I did not even receive my callsign papaer yet !). I'm almost exclusively...
302
wolf_dl4yhf
dl4yhf
Jul 7, 2011 10:07 pm
Hello Benoit, Welcome to the group, and congrats for the new ham license. Unfortunately I had to scrap my LF antenna (136 kHz band) some time ago, but with...
303
Benoît Mangin
mangin.benoit
Jul 8, 2011 8:22 am
Hello Wolf, Thanks for precisions. I was already following VLF 8,97 amateur experiments, but only via LF reflector and mailing from my already-in-place fellow...
304
Benoît Mangin
mangin.benoit
Jul 8, 2011 8:35 am
Hi Wolf and all, Does a text downloadable version of spectrum lab manual exist ? The software is a bit puzzling at first sight. Yours de F8GRY...
305
Werner Karn
werner.karn
Jul 8, 2011 1:21 pm
Hello Wolf, have you ever considered to expanding your software to allow for ( coherent ) multichannel ( dual channel ) receiver / antenna inputs ? This should...
306
wolf_dl4yhf
dl4yhf
Jul 8, 2011 5:35 pm
Hi Benoit, I once made a PDF from the entire manual, but it is outdated, and not contained in the archive. The problem is, with Open Office you can merge all...