YB5QZ — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: Indonesia Most frequent locator attributed to this token: OJ00

Receiver-side FT8 activity involving YB5QZ, decoded by SO8OO in southeastern Poland. 1,411 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 71 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-20.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 1,411 FT8 messages attributed to YB5QZ as the transmitting token by decoded message structure across 71 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (45%), followed by 40 m (30%) and 80 m (17%). Most decodes (87%) fell within the six-hour window 20:00-02:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12.5 dB.

Overview

1,411
Messages attributed
71
UTC dates decoded
193
Active 15-min windows
-12.5 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-10-20 23:11 UTC

Observed FT8 message patterns

Attributed sample
1,411 messages
Active dates
71 UTC dates
Estimated median S/N
-12.5 dB
Estimated 10th-90th percentile
-20 to -5 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 463, moderate (-15 to -9 dB) 580, strong (≥ -8 dB) 368.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to YB5QZ

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator
OJ00 · 719 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
9,195 km (approx.)
Last such locator decoded
2026-10-20 23:09 UTC

Other locator fields attributed to this token: OK62 (1).

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

Observed FT8 exchanges

S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.

Time UTCBandYB5QZ S/NCounterpartCounterpart S/NMsgsCapture
10-20 23:11 40m - / - IU5HIU 0 / - 2 Partial capture
10-20 23:09 40m -8 / - YB2BTH - / -6 2 Partial capture
10-20 23:08 40m -7 / - YO3FRI - / - 2 Partial capture
10-20 23:07 40m -6 / -7 CT7BRV -4 / - 8 Partial capture
10-20 23:03 40m -11 / - PI7Q - / - 2 Partial capture
10-20 23:01 40m - / - IU5HIU -8 / - 2 Partial capture
10-20 22:58 40m -13 / - EA8CDG - / +4 3 ✓ Closing fragment
10-20 22:54 40m - / -18 F6JXR -5 / - 9 Partial capture
10-20 22:44 60m - / -3 DL1LCK -8 / - 3 Partial capture
10-20 22:38 60m - / -20 LZ1GC +9 / - 4 ✓ Closing fragment
10-20 22:37 60m - / -14 YU1LD -7 / - 7 Partial capture
10-20 22:36 60m - / - DB5HA -18 / - 2 ✓ Closing fragment
10-20 22:34 60m - / -5 PE1MHY +1 / - 3 ✓ Closing fragment
10-20 22:32 60m - / -14 4X1TI -6 / - 2 ✓ Closing fragment
10-19 23:06 60m - / -9 LA7HJA -12 / - 4 ✓ Closing fragment
10-19 23:04 60m - / -6 F5OHS +6 / - 4 ✓ Closing fragment
10-19 23:03 60m - / -13 SP5EXA -12 / - 3 ✓ Closing fragment
10-16 23:45 40m -16 / -6 MI7XHT -12 / -15 4 ✓ Full exchange observed
10-16 23:45 40m -14 / -7 DL9KM -6 / -10 11 Partial capture
10-16 23:43 40m -16 / -5 G7KHF -3 / -3 6 ✓ Full exchange observed
10-16 23:42 40m - / - F8IPH -13 / - 12 Partial capture
10-16 23:40 40m -14 / - HK3AB - / - 2 Partial capture
10-16 23:29 40m - / - MM0DXL -22 / - 4 Partial capture
10-16 23:28 40m - / - EI3CTB -8 / - 6 Partial capture
10-16 23:27 40m - / -12 UA4POO -16 / - 2 ✓ Closing fragment
10-16 23:24 40m - / - SV1MOZ -12 / - 4 Partial capture
10-15 22:44 60m - / - DL1CF -3 / - 13 Partial capture
10-14 22:46 40m - / -14 N3OC -2 / - 4 Partial capture
10-14 22:41 40m -8 / - PD0OTH - / -13 2 ✓ Closing fragment
10-14 22:40 40m - / - M0IIO -11 / - 3 Partial capture
10-14 22:39 40m -7 / - EA1FYL -9 / -12 6 ✓ Closing observed
10-14 22:38 40m - / -4 M9DNC -1 / - 8 Partial capture
10-14 22:38 40m -7 / - BA8BLK - / -15 3 ✓ Closing fragment
10-14 22:35 40m - / - SV5BYP -11 / - 4 Partial capture
10-14 22:34 40m -9 / - YL3RK - / -9 4 ✓ Closing fragment
10-14 22:22 40m -14 / - EP2AES - / -19 8 ✓ Closing fragment
10-14 21:06 160m - / -17 EA6Y +1 / - 7 ✓ Closing fragment
10-14 21:05 160m - / -24 LX1ER +3 / - 9 ✓ Closing fragment
10-14 21:01 160m - / -18 DJ2TI +14 / - 34 Partial capture
10-14 20:49 160m - / -8 OH2MA -4 / - 4 ✓ Closing fragment
10-14 20:46 160m - / -22 IW0QOX +2 / - 2 Partial capture
10-14 20:42 160m - / -6 OH6NIO -12 / - 5 ✓ Closing fragment
10-14 20:40 160m - / -17 IW0RLC +1 / - 15 ✓ Closing fragment
10-14 20:34 160m - / -15 S57AW +12 / - 2 ✓ Closing fragment
10-14 20:29 160m - / -13 S58N +11 / - 6 ✓ Closing fragment
10-14 20:29 160m - / -20 DF2UU +7 / - 9 ✓ Closing fragment
10-14 20:29 160m - / - RU3ACA -6 / - 2 Partial capture
10-14 20:28 160m - / -16 F8IPH -21 / - 3 Partial capture
10-14 20:23 160m - / - DF2UU +7 / - 3 Partial capture
10-14 20:23 160m - / -21 DL3IAE +4 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

40m
UTC    dB Audio  Message
230815  -1  755  YB5QZ CT7BRV -07
230845  -7 1051  YO3FRI YB5QZ OJ00
230845  -5  755  YB5QZ CT7BRV -07
230915  -7 1051  YO3FRI YB5QZ OJ00
230915  -1  755  YB5QZ CT7BRV -07
230945 -10 1051  YB2BTH YB5QZ -06
230945  -2  755  YB5QZ CT7BRV -07
231015  -6 1051  YB2BTH YB5QZ -06
231015  -8  755  YB5QZ CT7BRV -07 (x2)
231130  -5  831  YB5QZ P4/WE9V +08
231130  +0  608  YB5QZ IU5HIU JN53
231145 -11 1051  DL4DO/P YB5QZ R+03
231200  -2  831  YB5QZ RR73; F4MID <...> -20
231200  +1  608  YB5QZ IU5HIU JN53
60m
UTC    dB Audio  Message
223730  -9 1654  YB5QZ YU1LD KN04
223730 -16 1161  YB5QZ DB5HA 73
223800  -8 1654  YB5QZ YU1LD KN04
223800  +8 1196  YB5QZ LZ1GC KN22
223830  -5 1654  YB5QZ YU1LD KN04
223830 +10 1196  YB5QZ LZ1GC KN22
223900  -6 1654  YB5QZ YU1LD KN04
223900 +10 1196  YB5QZ LZ1GC R-20
223930  -8 1654  YB5QZ YU1LD KN04
223930  +8 1196  YB5QZ LZ1GC 73
224000  -6 1654  YB5QZ YU1LD KN04 (x2)
224400 -12 1743  YB5QZ DL1LCK JO54 (x3)
80m
UTC    dB Audio  Message
221730  +7 1238  YB5QZ SP5PBE KO02 (x2)
221800  +0 2413  YB5QZ SP5ES KO02
221830  +4 1238  YB5QZ SP5PBE 73
221830  -2 2412  YB5QZ SP5ES KO02 (x5)
222200 +11 1238  YB5QZ SP5ELA KO02 (x3)
222300 -16 1866  YB5QZ EA3OR JN01
222330 +12 1238  YB5QZ SP5ELA KO02
220130 -16 2055  YB5QZ UN0GY RR73
160m
UTC    dB Audio  Message
211200 +16 1027  YB5QZ DJ2TI -18 (x15)
10m
UTC    dB Audio  Message
095500  -7 2762  YB5QZ IU2CAT JN45 (x9)
091530 -21 1433  <...> YB5QZ OJ00 (x4)
092100 -21 1434  DN9TB YB5QZ -23 (x2)
20m
UTC    dB Audio  Message
012115 -15 1329  <...> YB5QZ OJ00 (x2)
012430 -17 1329  YV4PPC YB5QZ OJ00 (x7)
235645 -15 1440  YB5QZ HI3RMJ FK49 (x4)
020830  +6 1979  YB5QZ 9K2RT -05 (x2)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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