File:Start of Summertime 28032010.jpg
Jump to navigation
Jump to search
No higher resolution available.
Start_of_Summertime_28032010.jpg (501 × 394 pixels, file size: 55 KB, MIME type: image/jpeg)
Captions
Captions
Add a one-line explanation of what this file represents
Summary[edit]
| Description |
English: A Spectrogram of VLF-range between 11.5 kHz and 24 kHz made with the soundcard of a PC, whose clock is synchronized by a radio controlled clock using DCF77-signals. The dark lines come from transmitters working in this frequency range as DHO38 on 23.4 kHz. As antenna a series connection of coils was used whose axis were oriented in East-West direction.
As analysis software SpecLab available as freeware on http://www.qsl.net/dl4yhf/spectra1.html was used |
| Date | |
| Source | Own work |
| Author | Zonk43 |
Licensing[edit]
|
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:52, 28 March 2010 | | 501 × 394 (55 KB) | Zonk43 (talk | contribs) | {{Information |Description={{en|1=A Spectrogram of VLF-range between 11.5 kHz and 24 kHz made with the soundcard of a PC, whose clock is synchronized by a radio controlled clock using DCF77-signals. The dark lines come from transmitters working in this fr |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
