SQ9SZ — 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: Poland Most frequent locator attributed to this token: JO90

Receiver-side FT8 activity involving SQ9SZ, decoded by SO8OO in southeastern Poland. 1,107 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, across 33 UTC dates in the available aggregate history. Observed between 2026-08-03 and 2026-10-22.

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 1,107 FT8 messages attributed to SQ9SZ as the transmitting token by decoded message structure across 33 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (94%), followed by 80 m (4%) and 60 m (1%). Most decodes (55%) fell within the six-hour window 06:00-12:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10 dB.

Overview

1,107
Messages attributed
33
UTC dates decoded
136
Active 15-min windows
-10 dB
Estimated median S/N

Bands

First attributed message: 2026-08-03
Last attributed message: 2026-10-22 08:54 UTC

Observed FT8 message patterns

Attributed sample
1,107 messages
Active dates
33 UTC dates
Estimated median S/N
-10 dB
Estimated 10th-90th percentile
-18 to -3 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 230, moderate (-15 to -9 dB) 427, strong (≥ -8 dB) 450.

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 SQ9SZ

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
JO90 · 517 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
208 km (approx.)
Last such locator decoded
2026-10-22 08:54 UTC

Other locator fields attributed to this token: JO81 (122) and JN99 (43).

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 UTCBandSQ9SZ S/NCounterpartCounterpart S/NMsgsCapture
10-21 17:48 40m - / -19 PD1GOL -14 / - 2 Partial capture
10-21 17:48 40m - / +7 DK2AM +2 / - 3 Partial capture
10-21 15:01 40m - / - DD1LD -10 / - 2 Partial capture
10-21 14:55 40m - / -4 YL3ASK -14 / - 2 ✓ Closing fragment
10-21 14:50 40m - / - IK2ZJR -3 / - 10 Partial capture
10-20 06:17 60m -11 / - F4FDR - / - 2 Partial capture
10-20 06:15 60m -15 / -15 F5RMK -10 / -4 5 ✓ Full exchange observed
10-20 06:13 60m -11 / -23 SP9PRR -21 / -6 4 Partial capture
10-20 06:13 60m -12 / - IN3IZQ - / - 2 Partial capture
10-20 05:05 40m - / -13 EA5D -12 / - 2 ✓ Closing fragment
10-20 05:05 40m - / -6 YO3FVR +2 / - 5 Partial capture
10-20 04:06 60m - / -17 EA3NE -4 / - 2 ✓ Closing fragment
10-20 04:03 60m - / 0 ES2AJ +7 / - 4 ✓ Closing fragment
10-20 03:55 60m - / +2 OH1LA -16 / - 2 ✓ Closing fragment
10-20 03:52 60m - / -8 G3TKT -3 / - 4 ✓ Closing fragment
10-20 03:51 60m - / -6 DF4WQ -14 / - 2 Partial capture
10-20 03:51 60m - / - OH1LA -14 / - 4 Partial capture
10-20 03:33 40m - / - M9XPN -16 / - 4 Partial capture
10-19 08:42 40m - / - ON8LX -10 / - 4 Partial capture
10-19 08:39 40m -6 / +9 SQ3RAX -14 / +3 4 ✓ Full exchange observed
10-19 08:36 40m -4 / +7 SP3SBY -14 / +4 5 ✓ Full exchange observed
10-19 08:32 40m -6 / - SP4BP -12 / 0 6 ✓ Full exchange observed
10-19 08:30 40m -5 / - SP9OJ -6 / +1 7 ✓ Full exchange observed
10-19 08:28 40m -6 / - DN2FBG -18 / -5 3 ✓ Closing observed
10-19 08:27 40m -8 / +4 SP5EKL -18 / -8 5 ✓ Full exchange observed
10-19 08:25 40m -8 / - SP4VIT -12 / +1 6 ✓ Full exchange observed
10-19 08:25 40m -9 / -10 SP9SOS -7 / +5 5 ✓ Full exchange observed
10-19 08:16 40m -2 / -6 LA6AFA -18 / 0 4 ✓ Full exchange observed
10-19 08:15 40m -4 / -8 SP4GDW -15 / +1 4 ✓ Full exchange observed
10-19 08:12 40m -4 / - SP9XG 0 / +2 6 ✓ Full exchange observed
10-19 08:12 40m -5 / -6 DF9ES -17 / -3 5 ✓ Full exchange observed
10-18 19:25 40m - / -6 DL3EBJ +4 / - 2 ✓ Closing fragment
10-18 19:10 40m - / -17 IK4RVY -8 / - 4 ✓ Closing fragment
10-16 02:39 40m - / -15 F4EWK -1 / - 2 ✓ Closing fragment
10-16 02:37 40m - / -6 F5MOO +9 / - 2 ✓ Closing fragment
10-16 02:11 40m - / -15 A61DD -11 / - 5 Partial capture
10-16 02:10 40m - / -6 RA6FC -1 / - 2 ✓ Closing fragment
10-16 02:08 40m - / +1 OH5KNL -4 / - 2 ✓ Closing fragment
10-16 02:03 40m - / -10 EP2AES -10 / - 2 ✓ Closing fragment
10-16 02:00 40m - / -15 A61DD -14 / - 4 ✓ Closing fragment
10-16 01:58 40m - / -13 JY5IB -16 / - 2 ✓ Closing fragment
10-16 01:55 40m - / -1 SV5AZK -22 / - 2 ✓ Closing fragment
10-15 06:21 40m +2 / - R1BKC - / - 2 Partial capture
10-15 06:19 40m -1 / - HG5OGI -16 / +3 5 ✓ Full exchange observed
10-15 06:18 40m -1 / - DK6WS -15 / - 2 ✓ Closing observed
10-15 06:15 40m -12 / -9 LA6AFA -12 / +5 5 ✓ Full exchange observed
10-15 06:15 40m -12 / - DK6WS - / - 2 Partial capture
10-15 06:13 40m -4 / -14 F6DZU -4 / +2 4 ✓ Full exchange observed
10-15 06:06 40m -15 / - SP4MPH - / +2 3 ✓ Closing fragment
10-15 06:02 40m - / - K2ZJ -20 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
145530 -11 2078  SQ9SZ YL3ASK R-04
145545  +3 2178  SQ9SZ IK2ZJR JN45
145600 -18 2078  SQ9SZ YL3ASK 73
145800 -11 1512  SQ9SZ DL2GKW JN47
150100 -12 2294  SQ9SZ DD1LD JN58 (x2)
174800  -4  820  SQ9SZ DK2AM JO43
174830 -15  751  SQ9SZ PD1GOL -19 (x2)
174930  +6  820  SQ9SZ DK2AM R+07 (x2)
085000 -18 2212  SQ9SZ ON3MOH RR73
085130 -19 2212  CQ LOTA SQ9SZ JO90 (x3)
60m
UTC    dB Audio  Message
061230 -13 2025  CQ POTA SQ9SZ JO90
061300 -13 2025  IN3IZQ SQ9SZ JO90
061315 -20 2025  SQ9SZ SP9PRR JO90
061330 -11 2025  IN3IZQ SQ9SZ JO90
061345 -22 2025  SQ9SZ SP9PRR JO90
061400 -11 2025  SP9PRR SQ9SZ -06
061415 -20 2025  SQ9SZ SP9PRR R-23
061415  -3  519  SQ9SZ G0JDK IO93
061515 -13 1872  F5RMK SQ9SZ JO90
061530  -8 1836  SQ9SZ F5RMK -15
061545 -15 1872  F5RMK SQ9SZ R-04
061600 -12 1836  SQ9SZ F5RMK RR73
061615 -17 1872  F5RMK SQ9SZ 73
061715  -9 1882  F4FDR SQ9SZ JO90 (x2)
80m
UTC    dB Audio  Message
030645  -3 1545  CQ POTA SQ9SZ JO90
030715  -1 1545  DL7UKM SQ9SZ -06 (x2)
030830  +4 1543  SQ9SZ DL7UKM R-14
030845  -5 1545  DL7UKM SQ9SZ RR73
030900  +0 1543  SQ9SZ DL7UKM R-14
030945  -4 1671  DL7UKM SQ9SZ RR73
031015 -15 1671  CQ POTA SQ9SZ JO90 (x2)
031200 +12  504  SQ9SZ DO1DX JO30 (x2)
022030 -16  890  CQ POTA SQ9SZ JO90
022315  +2  691  SQ9SZ DO1OAS JO51 (x3)
160m
UTC    dB Audio  Message
025400 +10  594  SQ9SZ LA9GX JO59
20m
UTC    dB Audio  Message
094030  -1 1783  SQ9SZ DL6REX JO40 (x3)
174715  -7 1911  SQ9SZ M0IEP IO91 (x2)
072030  -8 1957  SQ9SZ HB9CNU JN37 (x2)
160215  +3 2307  SQ9SZ PD0PWH JO21 (x5)
160445  +1 2285  SQ9SZ M0IEP IO91 (x3)

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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