EA3GXK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Spain Most frequent locator attributed to this token: IM98

Receiver-side FT8 activity involving EA3GXK, decoded by SO8OO in southeastern Poland. 5,710 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 51 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-08-30.

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 5,710 FT8 messages attributed to EA3GXK as the transmitting token by decoded message structure across 51 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (97%), followed by 40 m (3%) and 10 m (0%). The busiest six-hour window was 18:00-00:00 UTC, containing 46% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10 dB.

Overview

5,710
Messages attributed
51
UTC dates decoded
824
Active 15-min windows
-10 dB
Estimated median S/N

Bands

First attributed message: 2026-06-08
Last attributed message: 2026-08-30 07:43 UTC

Observed FT8 message patterns

Attributed sample
5,710 messages
Active dates
51 UTC dates
Estimated median S/N
-10 dB
Estimated 10th-90th percentile
-17 to -2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 917, moderate (-15 to -9 dB) 2,594, strong (≥ -8 dB) 2,199.

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 EA3GXK

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
IM98 · 4,624 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,203 km (approx.)
Last such locator decoded
2026-08-30 07:43 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 UTCBandEA3GXK S/NCounterpartCounterpart S/NMsgsCapture
08-30 09:56 20m - / -5 TC30AGU -16 / - 2 Partial capture
08-30 07:53 20m - / -13 M5ZAP -15 / - 5 Partial capture
08-30 06:57 20m - / -16 RO6OP +6 / - 3 ✓ Closing fragment
08-30 06:34 20m -14 / - OZ4ACK - / - 12 Partial capture
08-30 06:28 20m -13 / - DC9GT - / - 7 Partial capture
08-30 06:20 20m -1 / - R9FFT - / -18 5 Partial capture
08-30 06:14 20m -9 / -20 RM6OS +2 / - 9 Partial capture
08-30 05:56 20m -3 / -12 RU3NCW 0 / -18 20 ✓ Full exchange observed
08-30 05:41 20m 0 / - <...> - / -15 2 Partial capture
08-30 05:34 20m -4 / - TA7AO -13 / -18 6 ✓ Closing observed
08-30 05:21 20m 0 / -18 TA7AO -9 / -21 24 ✓ Full exchange observed
08-29 21:05 20m -14 / - N0V - / - 4 Partial capture
08-29 20:45 20m - / -7 TA3HEB +2 / - 2 ✓ Closing fragment
08-29 20:13 20m -6 / - G0BKL - / - 5 Partial capture
08-29 20:02 20m -9 / - W2BJ - / - 13 Partial capture
08-29 19:56 20m -4 / - DK4EE - / - 13 Partial capture
08-29 19:47 20m -3 / -9 IU2NBZ -2 / -19 16 ✓ Full exchange observed
08-29 19:42 20m -8 / - MI7IHF - / - 2 ✓ Closing fragment
08-29 19:39 20m +1 / - MM5WJF/P - / -14 4 Partial capture
08-29 19:34 20m -1 / -4 HA3HA -17 / -8 4 ✓ Full exchange observed
08-29 19:33 20m -2 / - OE5ABL - / -12 2 ✓ Closing fragment
08-29 19:31 20m -2 / - DM9EE - / -16 3 ✓ Closing fragment
08-29 19:21 20m -10 / - M7LSI - / - 6 Partial capture
08-29 19:20 20m -5 / - PA1CTW - / -8 3 ✓ Closing fragment
08-29 19:05 20m -3 / - YO5ODC - / - 6 Partial capture
08-29 19:03 20m -2 / - SM7TZK - / -13 2 Partial capture
08-29 19:02 20m -13 / - G0AGT - / -5 3 ✓ Closing fragment
08-29 18:55 20m -7 / - SP9LKN - / - 11 Partial capture
08-29 18:53 20m -6 / - R6LQU - / -6 4 ✓ Closing fragment
08-29 18:50 20m 0 / - OZ9ACF - / - 5 Partial capture
08-29 18:47 20m -6 / - LA6AFA - / - 2 ✓ Closing fragment
08-29 18:39 20m -8 / - PA3FLA - / - 7 Partial capture
08-29 18:37 20m -2 / - RL4R - / -12 3 ✓ Closing fragment
08-29 18:32 20m -5 / - M9KER - / - 4 Partial capture
08-29 18:27 20m 0 / - M7OKF - / -18 4 Partial capture
08-29 18:26 20m -4 / - UB1OBV - / - 2 Partial capture
08-29 18:23 20m -4 / - HA7SJX - / -10 3 ✓ Closing fragment
08-29 18:22 20m -14 / - G1ZHD - / -10 3 ✓ Closing fragment
08-29 18:19 20m -18 / - SQ7KHW - / - 4 Partial capture
08-29 18:09 20m +2 / - AA3B - / - 7 Partial capture
08-29 18:03 20m -10 / - TA2PCB - / -24 2 Partial capture
08-29 17:54 20m -9 / - DM6KW - / - 7 Partial capture
08-29 17:42 20m -11 / -20 DL2TT +10 / -12 10 ✓ Full exchange observed
08-29 17:33 20m -8 / - UF4S - / -12 12 ✓ Closing fragment
08-29 17:29 20m -4 / - F5IYG - / - 7 Partial capture
08-29 17:19 20m -8 / - OZ1TDK - / -18 10 ✓ Closing fragment
08-27 17:29 20m 0 / - Z34K - / - 4 Partial capture
08-27 16:59 20m 0 / - RI1FJL - / -16 7 Partial capture
08-27 16:32 20m -8 / - DG3MJB - / - 2 Partial capture
08-27 16:27 20m -7 / - <...> - / -14 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
065215  -6 1211  RX3ASQ EA3GXK IM98 (x2)
065700  +7 1119  EA3GXK RO6OP -16 (x3)
074315 -16 1210  RX3ASQ EA3GXK IM98
075330 -15  847  EA3GXK M5ZAP -13 (x5)
092730 -20  259  EA3GXK DF3RD RR73
094930 -15  980  EA3GXK DK5CR/QRP -15
095630 -13  958  EA3GXK TC30AGU -05 (x2)
80m
UTC    dB Audio  Message
192845 -13 1221  EW8AAC EA3GXK IM98
224530  -4  610  EC3A EA3GXK R+00
224545 -16  610  EA3GXK EC3A RR73
224600  -5  610  EC3A EA3GXK 73
212215 -17  702  CT2HEX EA3GXK IM98 (x2)
212300 -12  702  EA3GXK CT2HEX RR73
212315 -12  703  CT2HEX EA3GXK 73
212330 +14  703  EA3GXK UA4FKT LO23 (x3)
40m
UTC    dB Audio  Message
044430 -11  614  DK5UR EA3GXK IM98
044815 -12  614  EA3GXK DK5UR -20
052615 -16 1231  EA3GXK LY1SR -19 (x2)
075945  -7  740  EA3GXK DL1DOS -25 (x2)
214800  +1  957  EA3GXK R2AL KO85 (x2)
214900  +0  705  EA3GXK UA4FKT LO23
214900  +1  957  EA3GXK R2AL KO85 (x2)
215030  -1  705  EA3GXK UA4FKT R-11 (x2)
212215 -10 1029  EA3GXK R2EA -14 (x2)
10m
UTC    dB Audio  Message
181500 -15  916  EA3GXK IU4PQN -04
102330 -13 1058  EA3GXK PI4DX +03
201630 -11 1147  EA3GXK PY9AA -09

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.

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