Hi Brian, Seems either the PC is overloaded from the digital signal processing (you can check in the task manager), or this reason which happened here once...
102
wolf_dl4yhf
dl4yhf
Dec 5, 2010 11:54 am
Greetings all, After receiving questions from a spectrum lab user who intends to upgrade from a rather old version of Spectrum Lab to the most recent one, this...
103
zaktherabbit
Dec 5, 2010 12:15 pm
Hi group, new member, just about to upgrade from v2.4 to the latest! Now, my application of this package is far, far from the complex uses it seems many nof...
104
lists_bpf
Dec 12, 2010 6:43 pm
i'm trying to get sound via the network going in Spectrum Lab 2.76b8 under linux/wine 1.2.1. when selecting tcp, spectrum lab doesn't even open a socket. when...
105
wolf_dl4yhf
dl4yhf
Dec 13, 2010 7:20 pm
Hello Jacek, I only tested the UDP-based audio stream a couple of years ago (don't remember what the version was back then) but it worked reasonably well, even...
106
wolfento
Dec 18, 2010 3:40 pm
Hi, I'm using SL for meteor detection, but the time displayed in the time grid isn't the same as the one displayed in the time button, which is the correct one...
107
wolf_dl4yhf
dl4yhf
Dec 18, 2010 10:15 pm
Hello Patrick, Thanks for the details. Indeed I did change the 'source' for the timestamps (in the spectrum / waterfall) recently, actually to make them more...
108
Paul Goelz
paulgoelz
Dec 18, 2010 11:53 pm
... Been using Spectrum Lab for a while for radio meteor display and I have a question that I can't figure out. I would like to increase the frequency and time...
109
David Wilson
ve3bbn
Dec 18, 2010 11:54 pm
Greetings all, my name is David , a radio amateur and avid interest in everything type of guy. Here to learn how to properly use the Spectrum Lab software....
110
lists_bpf
Dec 19, 2010 8:20 am
... but this was streaming from one spectrum lab instance to another. the source was the internal sound generator. both instances were set to the same sampling...
111
wolfento
Dec 19, 2010 9:43 am
Hi Wolf, That is just the setting (Use the PC system time)that I use :), so there is problably a fault in the code, because I can understand when the is no...
112
wolf_dl4yhf
dl4yhf
Dec 19, 2010 11:53 am
Hi Paul, Unfortunately, the FFT size dictates the frequency resolution, and the time resolution. Massive overlap between two FFTs allows an increased frequency...
113
Paul Goelz
paulgoelz
Dec 19, 2010 1:19 pm
... Thanks Wolf, I tried the reassigned spectrogram but while it improved the frequency and time resolution, it reduced the number of data points, resulting in...
114
dl4yhf
Dec 19, 2010 6:00 pm
Hello Paul and group, ... The limitation doesn't have anything to do with the sample rate. If the FFT shall resolve 1 Hz, it needs one second of data. Yes,...
115
Paul Goelz
paulgoelz
Dec 19, 2010 7:54 pm
... Ah, thanks for the help, Wolf. With some tweaking of the "voices" preset, I have what I was looking for. I can now resolve Doppler shifts that are too...
116
Bob KD7YZ
two_eyed_jack01
Dec 21, 2010 2:30 am
I was listening to RDL at 18.1 and wondering what the mode was so I could play with the Digi-modes portion of Spectrum Lab and learn about it. I uploaded two...
117
ahmet
ahmetclkl
Dec 21, 2010 3:00 pm
hi wolfgang I'm a new member group. Greetings to all the members of the group. www.vlf.it web site is a member of "Dionysios Dimakos, SV1ZJ" How dodo I find...
118
ahmet
ahmetclkl
Dec 21, 2010 3:15 pm
Hi wolfgang spectrum lab software old version v2.4 b3. necessary. I did the circuit, because "given earthquake precursors. http://www.ham.gr/ulf/proj2_en.php I...
119
Renato Romero
reromeroit
Dec 21, 2010 3:16 pm
Hi Ahmet, unfortunately I do not have a current address of Dionysios: the last contact I had with him was to publish the article on vlf.it. ...sorry :-( bye,...
120
wolf_dl4yhf
dl4yhf
Dec 21, 2010 6:24 pm
Hello Ahmet, Difficult to tell the reason when there is no signal at the input.... I suggest to ... - check the soundcard's "mixer" settings (input volume...
121
wolf_dl4yhf
dl4yhf
Dec 21, 2010 6:44 pm
Hello Bob, I don't think it's possible to decode RDL with spectrum lab ... in fact there used to be a "RTTY"-demodulator / decoder in it, but not for this ...
122
Bob KD7YZ
two_eyed_jack01
Dec 21, 2010 8:23 pm
On 12/21/2010 1:43 PM, wolf_dl4yhf wrote: ... true ... though I really just wondered if the encrypted version , over the air, could be "printed" on screen so...
123
zaktherabbit
Dec 21, 2010 9:08 pm
Im hoping to catch the christmas transmission of SAQ Grimeton on 17kHz this year. Im using a direct input to the soundcard line input from a longwire antenna...
124
Walter
karula4711
Dec 22, 2010 8:40 am
... What I do: I record all the raw data to disk. This can be tested well before the SAQ transmission. Once recorded I can reanalyse the data with different...
125
ahmet celikkol
ahmetclkl
Dec 22, 2010 9:39 am
Hi Renato Thank you for your answer.He made the circuit article.but the old version of article"Spectum Laboratory v2.4 b3" settings made withWith the new...
126
ahmet celikkol
ahmetclkl
Dec 22, 2010 9:56 am
Hello Wolfgang; circuit is running.sensor detects something.probably comes from the sound card input 4.17dcV high input had been blocked.input signal to the...
127
Renato Romero
reromeroit
Dec 22, 2010 6:30 pm
Hi Ahmet, there are no differences between settings of the two releases. With a magnetometer (I suppose for low frequencies) I can suggest you this setting: *...
128
Bob KD7YZ
two_eyed_jack01
Dec 25, 2010 12:57 pm
I saw SAQ testing but I never was able to configure my SpectLab to hear the audio. I was using the SAQ usr template . The trace in waterfall was obviously not...
129
sm5le
Dec 25, 2010 9:09 pm
hi I like to do this : ">In one of the programmable 'conditional events', calculate something ... but where do I find 'conditional events' box ? tnx Sven...
130
wolf_dl4yhf
dl4yhf
Dec 25, 2010 9:56 pm
Hi Sven, ... "File".."Conditional Actions". This should open a 'string grid' (table) with the conditions in the left column, and the actions / events ("what ...
