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Old 27-10-2013, 18:29   #1
mitajohn
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RRI 5940 kHz from Tiganesti

I got this transmission from RRI on 5940 kHz for 53 mins in English. Not very good decoding and only the L channel was listenable but the R was barely be heard.
As mentioned in their program schedule: "As of October 27th 2013 RRI broadcasts on new SW frequencies"

06.30 07.00 UTC 9600 kHz (DRM),
18.00 19.00 UTC 5940 kHz (DRM) and
21.30 22.00 UTC 6030 kHz (DRM)
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Old 28-10-2013, 19:04   #2
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Oct_28

The signal was strong so I got a very good result.

The overwhelming majority of my posted logs, since years ago, were using Dream1.6.1cvs.
For sometime now I use for testing Dream2.1.
I noticed that the SNR figures are somewhat different between the two Dream releases (seen on the attached plots) especially on estimating the max SNR figures. Dream2.1 seems that it needs more time to get the SNR changing values than Dream1.6.1. This leads to wrong figures by ~2.5dB or more.
Any explanations?
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File Type: png 5940_131028_1804_mitajohn.png (30.1 KB, 533 views)
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Old 02-11-2013, 19:11   #3
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The results were perfect (max SNR >33 dB) until 18:37, then the signal dropped by 20 dBs and decoding problems started.
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Old 03-11-2013, 18:47   #4
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The results were perfect except of a short TX break down.
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Old 04-11-2013, 18:37   #5
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After 30 mins of almost perfect results at 18H30 the DRM signal dropped and low SNR affected the decoding.
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Old 07-11-2013, 18:37   #6
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Mixed results.
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Old 10-11-2014, 21:27   #7
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Has anyone here sent in a reception report to RRI? Will copy the link of.this thread to them.
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Old 10-11-2014, 22:19   #8
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Nov_10

Two TX break downs after the start up then some minor dropouts.
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Old 11-11-2014, 18:01   #9
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55 mins at 98.4% CDA.
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Old 12-11-2014, 05:47   #10
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11 Nov 2014 : RRI SNR Tiganesti 5940 kHz

10% decode.

18:00-21:00 UTC Planetary K-index 2. Local K-index 1.

Planetary A-index 8. Solar flux 142. Sunspot number: 63.
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Old 12-11-2014, 17:52   #11
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A soundless transmission until 18H19, then audio heard. At 18H44 the signal dropped and disappeared.
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File Type: png 5940-141112-1800-1848-mitajohn.png (37.3 KB, 301 views)
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Old 02-02-2015, 05:41   #12
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1 Feb 2015 : RRI SNR Tiganesti 5940 kHz

52% decoded audio.

15:00-18:00 UTC Planetary K-index 3. Local K-index 3.
18:00-21:00 UTC Planetary K-index 5-. Local K-index 5.

Planetary A-index: 9. Solar flux: 144. SWPC Sunspot number: 153.
Sunset 16:52 UTC.
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Old 02-02-2015, 19:41   #13
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2 Feb 2015 : RRI SNR Tiganesti 5940 kHz

75% decoded audio.

15:00-18:00 UTC Planetary K-index 4-. Local K-index 4.
18:00-21:00 UTC Planetary K-index 4-. Local K-index 5.

Planetary A-index: 21. Solar flux: 148. SWPC Sunspot number: 132.
Sunset 16:54 UTC.

Please note the date on the plot is wrong!
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