EA5KAI — 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: Spain Most frequent locator attributed to this token: IM99

Receiver-side FT8 activity involving EA5KAI, decoded by SO8OO in southeastern Poland. 127 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 29 UTC dates in the available aggregate history. Observed between 2026-07-17 and 2026-11-02.

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 127 FT8 messages attributed to EA5KAI as the transmitting token by decoded message structure across 29 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (94%), followed by 20 m (6%). Most decodes (100%) fell within the six-hour window 15:00-21:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -18 dB.

Overview

127
Messages attributed
29
UTC dates decoded
69
Active 15-min windows
-18 dB
Estimated median S/N

Bands

First attributed message: 2026-07-17
Last attributed message: 2026-11-02 18:03 UTC

Observed FT8 message patterns

Attributed sample
127 messages
Active dates
29 UTC dates
Estimated median S/N
-18 dB
Estimated 10th-90th percentile
-23 to -9 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 74, moderate (-15 to -9 dB) 46, strong (≥ -8 dB) 7.

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 EA5KAI

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
IM99 · 73 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,129 km (approx.)
Last such locator decoded
2026-11-02 18:03 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 UTCBandEA5KAI S/NCounterpartCounterpart S/NMsgsCapture
11-05 18:57 40m - / - G4DBW 0 / - 2 Partial capture
11-04 19:27 40m - / 0 UR4QWW -19 / - 3 ✓ Closing fragment
11-04 19:21 40m - / - UR4QWW -19 / - 5 Partial capture
11-04 19:16 40m - / - DG2EBG -10 / - 6 Partial capture
11-04 19:08 40m - / -8 F3CJ -13 / - 4 Partial capture
11-04 19:05 40m - / - F3CJ -18 / - 2 Partial capture
11-04 18:13 40m - / - PD7BDN -6 / - 6 Partial capture
11-02 17:52 40m -5 / - IZ5OVP -13 / -18 3 Partial capture
10-31 19:32 40m -9 / +4 EC1DD -10 / -5 4 ✓ Full exchange observed
10-31 18:42 40m - / -7 IW2CAK -6 / - 2 ✓ Closing fragment
10-31 18:35 40m - / -3 DL8TV -11 / - 3 ✓ Closing fragment
10-29 19:30 40m - / -5 M9RPO -15 / - 2 ✓ Closing fragment
10-28 18:08 40m - / -22 RW3QW +4 / - 2 ✓ Closing fragment
10-28 18:07 40m - / - PD1HBL -5 / - 2 Partial capture
10-28 17:58 40m - / -12 F3CJ -16 / - 3 Partial capture
10-28 17:56 40m - / - DL8YBL -8 / - 2 Partial capture
10-28 17:37 40m -10 / - OK2FKU - / -11 5 ✓ Closing fragment
10-28 17:33 40m -12 / -7 IK0CHU +1 / - 4 ✓ Closing observed
10-28 17:26 40m - / -11 DJ0WJ +7 / - 3 ✓ Closing fragment
10-28 17:19 40m - / -6 DL1DEU -2 / - 4 ✓ Closing fragment
10-27 18:57 40m - / - G3RCW -12 / - 2 ✓ Closing fragment
10-27 18:49 40m - / -15 DL9EVO -2 / - 3 ✓ Closing fragment
10-25 18:52 40m - / - PD4RJ -13 / - 3 Partial capture
10-25 18:50 40m - / - IK1ZYO -12 / - 2 Partial capture
10-25 16:41 40m - / - DL1HTW +3 / - 2 ✓ Closing fragment
10-25 16:31 40m - / -15 IQ4JO +4 / - 3 ✓ Closing fragment
10-24 19:31 40m - / - CT2HEX -9 / - 3 Partial capture
10-24 18:58 40m - / - DA1ST -2 / - 3 ✓ Closing fragment
10-24 18:51 40m - / -13 DK5FA 0 / - 4 ✓ Closing fragment
10-24 18:45 40m - / -12 F1PBZ -4 / - 2 Partial capture
10-22 19:14 40m -19 / -15 CN8NS -12 / - 3 ✓ Closing observed
10-21 19:21 40m - / -3 G1LQT -7 / - 2 Partial capture
10-21 18:35 40m - / - PD4RJ -4 / - 4 Partial capture
10-21 18:29 40m -22 / -15 DH5BM -12 / -14 3 ✓ Full exchange observed
10-21 18:18 40m - / - DG3DAF -8 / - 2 Partial capture
10-19 19:26 40m - / - F4BYA +6 / - 4 Partial capture
10-14 18:39 40m - / - F4BYA 0 / - 4 Partial capture
10-14 18:25 40m - / - F4BYA +6 / - 7 Partial capture
10-14 18:20 40m - / -8 IZ3EAW -2 / - 8 ✓ Closing fragment
10-14 18:18 40m - / -18 ON3MOH -8 / - 2 ✓ Closing fragment
10-14 18:12 40m - / -5 IU8RFW -9 / - 2 ✓ Closing fragment
10-14 18:08 40m -18 / -10 IZ3EAW -5 / - 15 ✓ Closing observed
10-14 17:56 40m - / - RA6BL -8 / - 2 Partial capture
10-14 17:55 40m - / -21 R2EA -2 / - 2 Partial capture
10-13 19:11 40m - / - RD7O +8 / - 2 Partial capture
10-13 18:45 40m - / -1 DK2NO -3 / - 5 ✓ Closing fragment
10-13 18:29 40m - / - LA2GCA -11 / - 2 Partial capture
10-13 18:28 40m - / - G4RAC -12 / - 4 Partial capture
10-12 18:07 40m - / - RT2H -1 / - 3 Partial capture
10-11 19:07 40m - / - PD0TDG -3 / - 12 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
191700  -9 1368  EA5KAI DG2EBG JO31 (x5)
192130 -14 1398  EA5KAI UR4QWW KN77 (x8)
185700  -1 2476  EA5KAI G4DBW JO01 (x2)
80m
UTC    dB Audio  Message
184900 -14 1618  EA5KAI EH3ST -20 (x2)
20m
UTC    dB Audio  Message
131830 -13 1935  EA5KAI DC7MA JN39
131900 +13 2910  EA5KAI F4BYA JN19 (x2)
132400  -9 1931  EA5KAI DC7MA R-05 (x2)
132930 +10 2587  EA5KAI DL1R JN58 (x3)
140130  -7 2501  EA5KAI M7PHE IO93 (x4)
150145  +7 1370  EA5KAI ON4CVL JO10 (x3)
10m
UTC    dB Audio  Message
145430 -20 1290  EA5KAI DH5BM JO41
162530  -1 2949  EA5KAI DO1FDK JO41 (x3)
164930  +3 2534  EA5KAI DB2HA JO52 (x7)
145945 -18 2026  EA5KAI PA3BMB JO22 (x3)
153515 -20 1482  EA5KAI IZ0EAE JN61

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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