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WEB Log - PLOTTER
KTWR
Freq.:
11995 kHz
Site:
Agana (GUM)
Date:
2019-09-11
All values at log start
Mode:
B / 10 kHz
Bitrate:
11.64 kbps
MSC:
16 QAM
Prot. Lev.:
0 / 0
Decoded Audio:
33.22 %
FAC CRC:
81.73 %
SNR values:
Max.:
12.16 dB
Min.:
4.03 dB
Average:
7.77 dB
Doppler values:
Max.:
3.07 Hz
Min.:
0.80 Hz
Average:
1.35 Hz
Delay values:
Max.:
7.23 ms
Min.:
0.10 ms
Average:
1.05 ms
11 errors in Sync (0.55 %)
367 errors in Fast Access Channel (18.27 %)
1338 errors in Main Service Channel (66.6 %)
Max. SNR at 10:57 UTC
Min. SNR at 10:41 UTC
Max. Doppler at 10:40 UTC
Min. Doppler at 10:32 UTC
Max. Delay at 10:58 UTC
Min. Delay at 10:41 UTC
Location: Hatorihoncho
Latitude:
34°59'N
Longitude:
138°20'E
Distance to TX Site:
2494 km
AZ to / from TX Site:
164 / 346 deg.
Receiver information:
(Refer to the box below)
Mode (the first detected):
B3000 from 10:25
Second mode detected:
C3000 from 10:41
Runtime:
33 minutes
Software:
Dream 2.1.1-svn808
Yaesu FRG 7700, 70 cm active antenna and Dual Core Pentium 2.9 GHz
KTWR DRM (KTWR) towards China, logged for 33 minutes from 1025-1058 UTC. A weak signal around S2-3 (23-29 dBuV) in strength. Max. 12,16 dB SNR and 33,22% decoded audio. The parameters changed during the transmission: First 11,64 kbps, Mode B/10, later 9,18 kbps, Mode C/10. Audio Spectrum: about 4000 Hz (both modes). Audio quality: Quite OK for spoken contents. Could there have been co-channel QRM? At the end of the transmission decoding became perfect!
Created with Web Charts DRM-Log Plotter Full version 4.3.7
