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· Spectrum Lab User's Group
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Founded: Jul 2, 2010
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HTTP server question
I am playing with the SL's HTTP server functionality. Everything went fine, then one day the server began to send HTML files from the server_pages directory as...
Nov 22, 2011
DAC ADC simultaneously
I am trying to do some accoustical measurements by outputting white noise, or a swept sinewave through a speaker into an accoustical cavity while...
Nov 7, 2011
Correlogram in SpecLab
Hi Wolf and others Just want to tell you that the "Correlogram&q
uot; funktion works OK. To see the difference between pure noise and Schumann ... /Sven...
Nov 4, 2011
Timestamp wrong for FFT export data
I do both periodic screen capture and periodic FFT export as part of my meteor reflection monitoring setup. Timestamps start the same on both when I start the...
Nov 3, 2011
help in SpectrumLab
Hi, I have to do a final project and I have to compute frequency and amplitude of a sample from a wav file. Can someone help me to do it in SpectrumLab?
Nov 2, 2011
Help needed with conditional actions.
Hi, Are you able to help, this is driving me nuts! :-) I have the following conditional actions... [CONDITIONAL_
ACTIONS] Active=1 EvalIntv=100 ...
Nov 1, 2011
Measuring phases of VLF transmitters
Greetings everyone, ... It depends on the sources modulation. The well known navy transmitters use minimum shift keying, and to plot their 'carrier phase' over...
Oct 31, 2011
Spectrum Lab not restoring saved sample rate
I am running a late Beta version, using a nominal soundcard sample rate of 22050. The actual measured sample rate is 22200.056 - the system allows me to type...
Oct 29, 2011
Hi, I have a 9000D, Signalink USP and HRD with DM780. Signal link is connected from the packet port on the rear of the radio. I cannot get the program to read...
Oct 22, 2011
Using spectrum lab to remove hum from VLF 'natural radio' signals
Greetings all, After discovering that the description of "how to configure Spectrum Lab for VLF reception" was utterly outdated, I updated the online ...
Oct 15, 2011
Capture picture from time domain scope
Hi all Is it possible to have time domain scope (in Lissajou mode) doing a "capture" or print .jpg ? I did try "print screen" (PC) but only half figure was...
Oct 13, 2011
Plotter out of sync?
Hi together, my first post in this forum. Please let me shortly explain why I am using SpectrumLab: We are experiencing problems with a low frequency noise in...
Oct 13, 2011
Secptrum analyser V 2.7 Manual
Dear Wolf: Dear all Members: Thank you very much for this good group, please can i find Manual for the spectrum analyser Software V 2.7 Here? Please if anyone...
Oct 10, 2011
Hello Wolf Just tried the newer version 2.77b03 and it seems the denoiser level now is saved correctly. The automatic notch is working fine here, too! I...
Oct 9, 2011
Erasing data memory of watch / plot by interpreter command?
I'm an extensive user of the watch/plot window. I know: It's a new feature. Thank you for this. Is there any trick to erase the data memory of the plot by an...
Oct 6, 2011
Conditional Actions - Linescount limitation of 100 Lines
In extension to the "Measure Frequency in SL" Thread, using conditional actions: Is there any way to use more than 100 Lines in the "Conditional actions"
Oct 4, 2011
Hello Wolfgang I am presently running V2.77b02 and found some issues in the filter section. 1. I set the denoiser level to -55dB and saved the existing...
Oct 2, 2011
measure frequency in SL
Wolf (or someone) Is there a way to measure the accumulated value of the frequency? For example, read a frequency value every minute for one hour (and add...
Sep 9, 2011
Wave file recording, replay
Hello, I notice a strange increase in speed of a recorded WAVE file. Replaying a file the speed is about twice as fast as recorded and the frequencies are...
Sep 5, 2011
Measuring the frequency of the Schumann resonances.
Hi Wolf I intend to measure the frequency of the Schumann resonances. How do I do for the best results regarding the sampling and clock etc. I have A / D E-MU...
Sep 5, 2011
Spectrum Lab Help Index as PDF-File, linked
Hi, giving a return to the Spectrum Lab Developer and the Community, i captured the help-index with Acrobat 9 Professional. Most links are running internally...
Sep 5, 2011
G'day - first post. I wish to try SpectrumLab using my Tigertronics SignaLink USB sound card/radio interface, which I currently use for PSK31 with my ICOM...
Aug 29, 2011
Has any one tried this sound card?
What did you find? Thanks, Rich...
Aug 27, 2011
Hello, I'm new on this board and rather new with SL. SpectrumLab is used here for sound analysis to minimize noise combined from different sources. I'm...
Aug 24, 2011
Noise blanker Q.
Wolfgang. Is there any *. USR with noise blanker on ? I find it hard to set it properly so it does not affect Schumann (noisy weak signal). What I want to...
Aug 21, 2011
200 characters maximum, where ?
Greetings everyone. A new group member wrote (in the sign-up form) : "200 characters maximum" with no further details. What do you mean, is this a bug...
Aug 21, 2011
Any people working on RDF using SL??...
Aug 16, 2011
Feature request - stay on top
Hi Wolf, Wonderful! Works like a charm and saves a lot of mouse work when working with the screen maximized. Thank you. Regards Edgar Moonah, Tasmania....
Aug 15, 2011
Edgar J Twining
Hi Wolf, Thank you for that. Could you use the mouse right click similar to the component window? That would not need another control. Regards Edgar Moonah,...
Aug 14, 2011
USB Clocking vs. Word Clocking of Sound Card A/D
Hello, new member here. I've been using SpecLab for almost a year, primarily to measure HF frequencies with the FMT-Nuts. This morning I read many of the...
Aug 5, 2011
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