OZ9DKJ — 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: Denmark Most frequent locator attributed to this token: JO55

Receiver-side FT8 activity involving OZ9DKJ, decoded by SO8OO in southeastern Poland. 180 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, across 12 UTC dates in the available aggregate history. Observed between 2026-09-03 and 2026-10-28.

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 180 FT8 messages attributed to OZ9DKJ as the transmitting token by decoded message structure across 12 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (69%), followed by 40 m (14%) and 80 m (13%). Several six-hour UTC windows tied for the largest share (89%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.

Overview

180
Messages attributed
12
UTC dates decoded
35
Active 15-min windows
-11 dB
Estimated median S/N

Bands

First attributed message: 2026-09-03
Last attributed message: 2026-10-28 19:51 UTC

Observed FT8 message patterns

Attributed sample
180 messages
Active dates
12 UTC dates
Estimated median S/N
-11 dB
Estimated 10th-90th percentile
-17 to -4 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 34, moderate (-15 to -9 dB) 90, strong (≥ -8 dB) 56.

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 OZ9DKJ

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
JO55 · 89 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
953 km (approx.)
Last such locator decoded
2026-10-28 19:51 UTC

Other locator fields attributed to this token: FO55 (2).

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 UTCBandOZ9DKJ S/NCounterpartCounterpart S/NMsgsCapture
10-28 21:07 40m - / -15 R4FDK -9 / - 3 Partial capture
10-28 20:13 80m - / - IV3IHV +4 / - 2 Partial capture
10-28 20:13 80m - / -9 DL5OAH -1 / - 3 ✓ Closing fragment
10-28 20:10 80m - / -8 PC2J -4 / - 5 ✓ Closing fragment
10-28 20:03 80m - / -24 S50XX +6 / - 7 Partial capture
10-28 19:58 40m - / - R2DX -10 / - 3 Partial capture
10-28 19:49 60m - / - M1EPZ -5 / - 2 Partial capture
10-28 19:48 60m - / - LZ2VQ +4 / - 3 Partial capture
10-28 19:42 60m - / - S56P +5 / - 2 Partial capture
10-28 19:38 60m -24 / +1 DH3KR +5 / -1 4 ✓ Full exchange observed
10-28 19:37 60m - / - S56P +5 / - 5 Partial capture
10-24 18:12 80m - / - R2AL +8 / - 3 Partial capture
10-24 18:12 80m - / - S50XX +12 / - 5 Partial capture
10-24 18:07 40m - / - F6FHZ -14 / - 2 Partial capture
10-24 18:05 40m - / - DJ1TU +3 / - 2 ✓ Closing fragment
10-24 18:04 40m - / - PC2J -2 / - 2 Partial capture
10-24 18:02 40m - / -2 IN3LHF -9 / - 4 Partial capture
10-24 17:57 40m - / - PC2J -2 / - 4 Partial capture
10-19 08:15 40m - / - DG1RMY -10 / - 5 Partial capture
10-19 08:15 40m - / +2 DH5BM +1 / - 3 ✓ Closing fragment
10-19 08:15 40m - / -6 F1PBZ -2 / - 2 Partial capture
10-19 07:13 40m - / - PA4BEN -6 / - 2 Partial capture
10-19 07:12 40m - / -12 IQ4JO -1 / - 4 Partial capture
10-15 22:09 60m -15 / -5 F5HNQ -2 / - 4 ✓ Closing observed
10-15 22:07 60m -17 / -5 DL1UDO -4 / +10 4 ✓ Full exchange observed
10-15 22:04 60m -12 / - G7RTI -12 / -5 2 Partial capture
10-15 22:03 60m -14 / - F6BQX -10 / +9 3 ✓ Closing observed
10-15 22:01 60m -2 / - VP2MAW - / - 2 Partial capture
10-15 21:59 60m -14 / -18 VE1YX -12 / -9 5 ✓ Full exchange observed
10-15 21:52 60m -8 / -10 TA4SSK -9 / -15 5 ✓ Full exchange observed
10-15 21:51 60m - / -7 G0GFC -5 / - 3 ✓ Closing fragment
10-15 21:50 60m - / - SP1MGM -5 / - 3 Partial capture
10-15 19:14 160m - / -14 DF5AH -14 / - 2 ✓ Closing fragment
10-15 19:13 160m -8 / - DK7ZT -1 / - 2 ✓ Closing observed
10-13 20:10 60m -4 / +5 F1GTU -9 / -9 5 ✓ Full exchange observed
10-13 20:04 60m -2 / - DL1SRS +4 / +9 8 ✓ Closing observed
10-13 20:02 60m -6 / -1 F6FHZ -8 / -10 5 ✓ Full exchange observed
10-13 19:58 80m -2 / 0 SP2FTL +7 / +3 5 ✓ Full exchange observed
10-13 19:55 80m - / -10 EO210WLP -1 / - 3 Partial capture
10-13 19:55 80m - / - R9FAI -7 / - 3 Partial capture
10-13 19:55 80m -7 / - HF50HSP - / -17 3 Partial capture
10-13 19:54 80m - / - DO1MGN -7 / - 2 Partial capture
10-13 19:53 80m -6 / +1 DK7ZT +8 / +4 4 ✓ Full exchange observed
10-13 14:34 40m - / +4 F1BOW -3 / - 3 ✓ Closing fragment
10-13 14:28 40m - / +10 DL6ZOG -6 / - 4 ✓ Closing fragment
10-13 14:24 40m - / - ON2ACO -17 / - 2 Partial capture
10-13 14:17 40m - / -3 DL2LTH -12 / - 3 ✓ Closing fragment
10-13 14:04 40m - / +3 HB9ELE +8 / - 6 ✓ Closing fragment
10-13 14:01 40m -11 / -7 E70SZ +1 / - 5 ✓ Closing observed
10-13 13:57 40m - / +5 DK5FN -22 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
180330  -8 2551  OZ9DKJ IN3LHF -02
180400  -9 2551  OZ9DKJ PC2J JO22 (x2)
180500  +2 2550  OZ9DKJ DJ1TU JN48 (x2)
180730 -15 2550  OZ9DKJ F6FHZ JN18 (x2)
195800  -6 2257  OZ9DKJ R2DX KO86 (x4)
210430 -15 1201  OZ9DKJ R4FDK R-15 (x4)
80m
UTC    dB Audio  Message
200400 +11  896  OZ9DKJ S50XX R-24 (x5)
201000  -6  897  OZ9DKJ PC2J JO22 (x5)
201300  -6  895  OZ9DKJ DL5OAH JO42
201330  -2 1576  OZ9DKJ IV3IHV JN66
201330  -2  896  OZ9DKJ DL5OAH R-09
201400  +9 1576  OZ9DKJ IV3IHV JN66
201400  +4  895  OZ9DKJ DL5OAH 73
60m
UTC    dB Audio  Message
193930 -15  234  OZ9DKJ SP2EWQ JO93
193930  +5 1533  OZ9DKJ DH3KR 73
194200  +5 2578  OZ9DKJ S56P JN76
194200  +1 2344  OZ9DKJ LZ2VQ KN23
194200  -9  437  OZ9DKJ GM4YTD IO74
194230  +5 2578  OZ9DKJ S56P JN76
194530 +13  680  OZ9DKJ DK0ND +10
194730 -19 2255  OZ9DKJ SP9UPH JO90
194730 -11  604  OZ9DKJ DL8SBE -05
194800  +1 2344  OZ9DKJ LZ2VQ KN23 (x3)
194930  -5  244  OZ9DKJ M1EPZ JO02 (x2)
195145 -24  200  CQ OZ9DKJ JO55
160m
UTC    dB Audio  Message
192315  +4 1970  OZ9DKJ SP1MGM JO73
191100 -14  584  H49A OZ9DKJ JO55
191315  -1  824  OZ9DKJ DK7ZT RR73
191330  -8  584  DK7ZT OZ9DKJ 73
191415 -10 1758  OZ9DKJ DF5AH R-14 (x2)
192045 -10  452  CQ OZ9DKJ JO55 (x6)
10m
UTC    dB Audio  Message
164645 -18 1670  OZ9DKJ EC8AVE -12 (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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