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Doppler sounding of the Ionosphere - latest Doppler shift spectrograms by IAP

Geophysical Alert    #    K-index at 0600 UTC on 13 December was 1 (5 nT)    #    12 December / Solar flux 71 / A-index 13

Near real time monitoring of beacon OK0EU on 3594.5 kHz
in Praha Ruzyne (JO70DC) - spectrograms are updated hourly

Service is permanently canceled

Upload time of files is LOC (local CET/CEST)          Timescale on spectrograms is UTC (nearly UT)

Last update: 21.09.2015 / 09:36 LOC
1234 spectrograms in current folder


Archive data
(files marked by italic font are shifted in upload time)
21.09.2015 -
09 08 07 06 05 04 03 02 01 00
20.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
19.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
18.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
17.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
16.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
15.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
14.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
13.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
12.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
11.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
10.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
09.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
08.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
07.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
06.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
05.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
04.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
03.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
02.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
01.09.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00

31.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
31.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
30.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
28.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
27.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
26.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
25.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
24.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
23.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
22.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
21.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
20.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
19.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
18.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
17.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
16.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
15.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
14.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
13.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
12.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
11.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
10.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
09.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
08.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
07.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
06.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
05.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
04.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
03.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
02.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
01.08.2015 - H24 - 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00


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Created and operated by http://ok1dub.cz

Special thanks to OK1ALE for keeping this service after 01.10.2014





Previous descriptions of spectrograms below



Antennas used
Fifty meters long wire antenna above hangar roof
(until 17.12.2012 / since 25.06.2013)
Ten meters long wire substitute antenna
(since 21.12.2012 / until 24.06.2013)


Hardware used
Transceiver Icom IC-706 as the HF receiver
PC Dell OptiPlex GX620, OS Windows XP
(New PC and network since 29.03.2012)

Software used
Spectrum analysis realized by Spectrum Lab (config file)
Spectrogram files uploading realized by Auto Ftp
Time synchronization realized by AboutTime
(until 28.03.2012)


Related links
Screenshots of OK0EU by Alan, G4ZFQ
Sledování majáku OK0EU - článek pro OK QRP INFO
Observations of OK0EU infrasound Doppler phenomenas
Current distribution of transmitters and receivers in the Czech Republic
Description of the Continuous Doppler sounding system and an example of measurement
A new Doppler type system for measuring the ionospheric effects
List of publications related to Continuous Doppler sounding
Continuous Doppler sounding in the Czech Republic

Physics of the Ionosphere

Disclaimer
Service will be enhanced depending on personal possibilities of creator
Service can be interrupted at any time due to technical reasons
For scientific, educational and hobby purposes only

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TOPlist
Statistics since 16.11.2006

Miroslav Najman
e-mail: mirek@ok1dub.cz