R3ZCE — 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: European Russia Most frequent locator attributed to this token: KO80

Receiver-side FT8 activity involving R3ZCE, decoded by SO8OO in southeastern Poland. 48 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 3 UTC dates in the available aggregate history. Observed between 2026-08-27 and 2026-10-14.

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 48 FT8 messages attributed to R3ZCE as the transmitting token by decoded message structure across 3 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (98%), followed by 20 m (2%). Several six-hour UTC windows tied for the largest share (98%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -13 dB.

Overview

48
Messages attributed
3
UTC dates decoded
7
Active 15-min windows
-13 dB
Estimated median S/N

Bands

First attributed message: 2026-08-27
Last attributed message: 2026-10-14 15:57 UTC

Observed FT8 message patterns

Attributed sample
48 messages
Active dates
3 UTC dates
Estimated median S/N
-13 dB
Estimated 10th-90th percentile
-18 to -8 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 15, moderate (-15 to -9 dB) 27, strong (≥ -8 dB) 6.

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.

Most frequent locator attributed to R3ZCE

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
KO80 · 26 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,082 km (approx.)
Last such locator decoded
2026-10-14 15:57 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 UTCBandR3ZCE S/NCounterpartCounterpart S/NMsgsCapture
10-14 15:55 40m -8 / -4 EU3LA -12 / - 7 ✓ Closing observed
10-14 15:54 40m - / - S53AK -6 / - 4 Partial capture
10-14 15:52 40m - / - PE1NPS -4 / - 4 Partial capture
10-14 15:49 40m -11 / - RY9W - / -17 5 Partial capture
10-14 15:46 40m - / - 9A4ZM 0 / - 2 Partial capture
10-14 15:46 40m -10 / -15 UA1ZQN -7 / -7 5 ✓ Full exchange observed
10-14 15:46 40m - / - S53AK -4 / - 5 Partial capture
10-14 15:38 40m - / -12 OZ1JKU -17 / - 3 Partial capture
10-14 15:32 40m - / -13 RT8T -7 / - 3 ✓ Closing fragment
10-14 15:21 40m -10 / - UB9MEU - / - 3 Partial capture
10-14 14:45 40m -10 / -2 RA4FEA -10 / - 3 ✓ Closing observed
10-14 14:43 40m -16 / - SQ9BDB -5 / -5 2 ✓ Closing observed
10-14 14:41 40m -12 / -7 RN3OX +6 / - 3 ✓ Closing observed
10-14 14:37 40m - / -8 9A4ZM -7 / - 3 Partial capture
10-14 14:36 40m -16 / - UA4CIK - / - 2 ✓ Closing fragment
10-14 14:33 40m -13 / - R8OAE - / -13 2 ✓ Closing fragment
10-14 14:32 40m -16 / -12 RU5X -8 / +6 3 ✓ Full exchange observed
10-14 14:30 40m -16 / -5 UB4CJS -21 / +4 4 ✓ Full exchange observed
10-14 14:29 40m -15 / -15 IZ3EAW -5 / -10 5 Partial capture
10-14 14:28 40m -16 / -9 R6HW +4 / - 3 ✓ Closing observed
10-14 14:27 40m -14 / -1 SQ9BDB -8 / - 4 ✓ Closing observed
10-14 14:25 40m -12 / - PE2HVL - / - 2 Partial capture
10-14 14:21 40m - / - 9A4ZM -8 / - 2 Partial capture
10-14 14:18 40m -13 / -5 RZ9A -20 / +2 5 ✓ Full exchange observed
10-14 14:17 40m -16 / - RM8CZ - / - 2 Partial capture
09-23 15:21 40m - / - UA3GDJ +4 / - 3 Partial capture
09-12 13:26 40m - / -4 R2ZJJ -14 / - 2 Partial capture
09-12 12:57 40m - / -14 SP7VCL -2 / - 2 ✓ Closing fragment
09-07 14:32 40m - / - UB3ZKO -18 / - 4 Partial capture
09-07 14:30 40m - / -14 RA3LJ -8 / - 2 Partial capture
09-07 14:10 40m - / - UB3ZKO -20 / - 2 Partial capture
09-07 14:05 40m - / - UB3ZKO -15 / - 4 Partial capture
09-07 13:55 40m - / - RM3ZR -11 / - 3 ✓ Closing fragment
09-06 12:43 40m - / -10 R7OF -12 / - 2 ✓ Closing fragment
09-06 12:21 40m - / -4 UA3DPM -12 / - 6 ✓ Closing fragment
08-27 07:13 20m - / - RV6F -8 / - 2 Partial capture
08-27 07:11 20m - / - TA3NK -3 / - 12 Partial capture
08-23 20:36 40m - / -16 SV1DKR -4 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
155215  -4 2558  R3ZCE PE1NPS JO22 (x4)
155415  -2 1340  R3ZCE S53AK JN76 (x2)
155500  -8 1139  EU3LA R3ZCE KO80
155515  -8 1340  R3ZCE S53AK JN76
155515 -12 1535  R3ZCE EU3LA -04
155530  -7 1139  EU3LA R3ZCE KO80
155545  -7 1339  R3ZCE S53AK JN76
155545  -9 1535  R3ZCE EU3LA -05
155700 -10 1139  EU3LA R3ZCE KO80 (x2)
155845 -14 1535  R3ZCE EU3LA RR73
20m
UTC    dB Audio  Message
065715 -20 1289  <...> R3ZCE KO80
071100  -5  872  R3ZCE TA3NK KM39 (x6)
071330 -10 1499  R3ZCE RV6F LN14
071400  -3  873  R3ZCE TA3NK KM39
071400  -6 1499  R3ZCE RV6F LN14
071430  -3  873  R3ZCE TA3NK KM39 (x5)

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

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee