UZ5CA — 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: Ukraine Most frequent locator attributed to this token: KN58

Receiver-side FT8 activity involving UZ5CA, decoded by SO8OO in southeastern Poland. 2,097 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, across 83 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-11-06.

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 2,097 FT8 messages attributed to UZ5CA as the transmitting token by decoded message structure across 83 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (49%), followed by 80 m (26%) and 20 m (14%). Most decodes (53%) fell within the six-hour window 17:00-23:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (61%); the estimated median was -6 dB.

Overview

2,097
Messages attributed
83
UTC dates decoded
332
Active 15-min windows
-6 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-11-06 05:21 UTC

Observed FT8 message patterns

Attributed sample
2,097 messages
Active dates
83 UTC dates
Estimated median S/N
-6 dB
Estimated 10th-90th percentile
-16 to +4.4 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 253, moderate (-15 to -9 dB) 560, strong (≥ -8 dB) 1,284.

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 UZ5CA

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
KN58 · 481 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
687 km (approx.)
Last such locator decoded
2026-11-06 05:21 UTC

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 UTCBandUZ5CA S/NCounterpartCounterpart S/NMsgsCapture
11-06 05:20 40m -12 / - 9Y4M - / - 2 Partial capture
11-06 05:18 40m -6 / - W7IUV - / -22 2 Partial capture
11-06 01:42 40m - / -10 IU8RFW -10 / - 3 ✓ Closing fragment
11-06 01:41 40m - / -18 VP2MCV -10 / - 3 ✓ Closing fragment
11-06 01:28 80m -4 / - TA5DOB - / - 2 Partial capture
11-06 01:25 80m -6 / - EX7DY - / -15 3 ✓ Closing fragment
11-06 01:24 80m -8 / - TA5DOB - / - 2 Partial capture
11-06 01:20 80m -8 / - SV5AZK - / - 2 ✓ Closing fragment
11-06 01:16 80m -3 / - VE3DZ - / -26 7 Partial capture
11-06 00:56 40m -23 / - 9Y4C - / - 3 Partial capture
11-05 21:14 40m -2 / - 9X5KM - / - 7 Partial capture
11-05 21:08 40m -3 / - 9X5KM - / - 7 Partial capture
11-05 21:04 40m -10 / - D2ACE - / - 2 Partial capture
11-05 18:52 80m -3 / - GW4HZA - / - 2 Partial capture
11-05 18:50 80m - / - UT3UIY/P -24 / - 3 Partial capture
11-05 18:33 80m +4 / - TF4M - / - 7 Partial capture
11-05 18:30 80m +2 / - F9IE - / - 2 ✓ Closing fragment
11-05 18:25 80m -1 / - DB9LG - / -10 3 ✓ Closing fragment
11-05 18:24 80m -4 / +3 UR8MH -13 / - 2 ✓ Closing observed
11-05 18:21 80m -6 / - UY5AX - / -4 2 ✓ Closing fragment
11-04 21:00 40m - / -19 YE4FNN -14 / - 2 ✓ Closing fragment
11-04 05:40 40m - / -15 YO8TVD +3 / - 8 Partial capture
11-04 05:36 40m -8 / - YO8TVD - / - 2 Partial capture
11-04 05:32 40m -6 / -10 EA2KV 0 / - 3 ✓ Closing observed
11-04 05:18 80m -2 / - W3UA - / -15 2 Partial capture
11-02 16:26 40m -10 / - SM5WXF - / - 2 Partial capture
11-01 19:59 80m -19 / - JA9BFN - / - 2 Partial capture
11-01 19:48 40m -2 / - DL40EUDXF - / -20 2 Partial capture
11-01 19:41 40m -1 / - UN7BHO - / - 2 Partial capture
11-01 19:34 40m -7 / - HB0PA - / - 3 Partial capture
11-01 19:32 40m -9 / - 4S7AB - / - 4 Partial capture
11-01 18:46 40m 0 / - 3A2LF - / - 5 Partial capture
11-01 18:43 40m +5 / - 5R8IC - / - 3 Partial capture
11-01 18:39 40m -4 / - 3A2LF - / - 6 Partial capture
11-01 18:38 40m -5 / - XV9B - / - 2 Partial capture
11-01 17:36 80m -2 / -1 Z62NS -9 / -7 4 ✓ Full exchange observed
11-01 17:30 80m 0 / - OH5KNL +14 / -4 3 ✓ Closing observed
11-01 17:29 80m 0 / -2 YO9HP 0 / 0 4 ✓ Full exchange observed
11-01 17:26 80m +1 / +3 OI6C +2 / -2 5 ✓ Full exchange observed
11-01 17:25 80m +4 / - US5ABI - / - 3 Partial capture
11-01 17:22 80m -8 / - OI6C - / - 2 Partial capture
11-01 02:20 80m +5 / - A92AE - / - 3 Partial capture
11-01 02:10 80m -3 / - N8HRZ - / - 3 Partial capture
11-01 01:55 80m +2 / -13 WF7I -7 / -14 6 ✓ Full exchange observed
11-01 01:53 80m -6 / - Z32ID -17 / -12 4 ✓ Closing observed
11-01 01:47 80m -14 / - KC1GN - / - 2 Partial capture
11-01 01:32 80m -2 / - A92AE - / - 3 Partial capture
11-01 01:28 80m -14 / - CT3IQ - / - 8 Partial capture
11-01 01:20 80m - / -4 4O7CC +1 / - 2 ✓ Closing fragment
11-01 01:18 80m +1 / +2 UT5EL +19 / +1 3 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
211745  -1 2229  9X5KM UZ5CA KN58 (x2)
005645 -23 1826  9Y4C UZ5CA KN58 (x3)
014100 -11  554  UZ5CA VP2MCV -18 (x3)
014230  -7 1312  UZ5CA IU8RFW JN70 (x3)
051830  -4 2504  W7IUV UZ5CA R-22 (x2)
052030 -11 2550  9Y4M UZ5CA KN58 (x2)
80m
UTC    dB Audio  Message
011630  +1 1977  VE3DZ UZ5CA R-26 (x6)
012030 -11 1932  SV5AZK UZ5CA KN58 (x2)
012400  -4 1931  TA5DOB UZ5CA KN58 (x2)
012545  -8 1931  EX7DY UZ5CA KN58 (x3)
012800  -6 1931  TA5DOB UZ5CA KN58 (x2)
10m
UTC    dB Audio  Message
073945  +1  254  UZ5CA LZ2VQ KN23 (x3)
062545 -17 1085  UZ5CA 7Z1FF -05 (x2)
084515 -24 1843  UZ5CA ZB2IF -01 (x2)
083915 -20 1669  UZ5CA JY5IB +00 (x4)
160m
UTC    dB Audio  Message
232300  -5 2615  HB9CXZ UZ5CA KN58 (x2)
232915  -6 1686  UZ5CA HB9CXZ -20 (x2)
233000 -10 1686  HB9CXZ UZ5CA R-13
233015  -1 1686  UZ5CA HB9CXZ RR73
233430 -11 2265  EA7ALL UZ5CA KN58 (x2)
180215  -2 2437  UZ5CA SM0CXS -12 (x2)
181130  -7  616  UZ5CA UR5WIF KN29 (x3)
182430  -7 2776  UZ5CA 8S2A RR73
192530 -16  844  EI4KF UZ5CA KN58
20m
UTC    dB Audio  Message
153445  +8 2729  7K1CPT UZ5CA RR73 (x2)
153545 +11 2729  CQ DX UZ5CA KN58
153600  -5 2727  UZ5CA 7K1CPT 73
174430  -9 1761  UZ5CA 8Z1IT 73
044945  -7  271  UZ5CA ZL1OGX R-17 (x2)
054200  -5 2879  UZ5CA F5PBG IN78 (x3)
054300  -8  908  UZ5CA 9H1FJ 73
054330  -3 2878  UZ5CA F5PBG IN78
054600  -4 2745  UZ5CA F5IXN JN23 (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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