EB4SM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Spain Locator transmitted in a decoded message: IN80

Receiver-side FT8 activity involving EB4SM, decoded by SO8OO in southeastern Poland. 251 related FT8 messages, 28 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 40 UTC dates. Heard between 2026-05-25 and 2026-08-22.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

251
Related messages
28
CQ messages
40
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-05-25
Last seen: 2026-08-22 21:42 UTC

Activity Heatmap

Locator transmitted by EB4SM

Approximate centre of IN80, decoded 2026-08-23 00:02 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandEB4SM S/NCounterpartCounterpart S/NMsgsCapture
08-23 00:00 80m -21 / - UR7FM - / - 6 Partial capture
08-22 23:45 80m -18 / - EA3FR - / -4 2 ✓ Closing fragment
08-22 23:41 80m -23 / - OH3EX +12 / -18 4 ✓ Closing observed
08-22 23:35 40m -12 / - LU1IBL - / - 4 Partial capture
08-22 23:30 40m -13 / - LU1IBL - / - 5 Partial capture
08-20 00:21 20m -10 / - BD8ABR - / - 2 Partial capture
08-20 00:12 20m -11 / - BD8ABR - / - 9 Partial capture
08-20 00:06 20m -20 / - BA9TX - / - 2 Partial capture
08-20 00:04 20m -17 / - BG0EMF - / - 2 Partial capture
08-20 00:00 20m -7 / -7 XU7O -10 / -7 3 ✓ Full exchange observed
08-19 22:19 60m - / -10 OJ0JR +1 / - 2 ✓ Closing fragment
08-17 23:44 80m - / - EA7LIC -7 / - 2 ✓ Closing fragment
08-17 23:39 80m - / -12 RX6DA +6 / - 2 ✓ Closing fragment
08-17 23:31 80m -20 / -3 PE1NAO -12 / -8 4 ✓ Full exchange observed
08-17 23:28 80m -15 / - EA2EES - / -3 3 ✓ Closing fragment
08-17 23:23 80m -11 / - PY5/PY2TIM - / -12 6 Partial capture
08-17 23:05 40m -16 / - OJ0YL - / - 9 Partial capture
08-15 07:32 20m -11 / - SM2IEN - / - 2 Partial capture
08-15 07:28 20m -12 / - R4CGV - / - 3 Partial capture
08-12 00:14 20m -18 / -19 EA5HM -18 / - 3 ✓ Closing observed
08-08 22:18 80m - / -19 UA4POO -14 / - 2 ✓ Closing fragment
08-08 22:14 80m -24 / -14 OE8DDX +12 / - 3 ✓ Closing observed
08-08 22:11 80m -18 / - 8S7DL -2 / -18 5 ✓ Closing observed
08-06 07:11 40m - / - LY2J -16 / - 2 Partial capture
08-06 07:01 40m - / -3 IQ4JO -21 / - 2 ✓ Closing fragment
08-05 21:27 40m - / -2 IU5VLR -17 / - 2 Partial capture
08-05 21:21 40m - / -3 DK4CH -23 / - 2 Partial capture
08-05 21:04 40m -16 / +4 RU3NCW -10 / - 3 ✓ Closing observed
08-05 20:50 80m -17 / -7 TF4M -17 / -17 5 ✓ Full exchange observed
08-05 20:41 80m -21 / -11 TA1MHS -9 / -15 7 Partial capture
08-05 20:34 80m -16 / - TA1MHS - / - 6 Partial capture
08-05 20:32 80m -10 / -19 Z3123KR 0 / - 2 Partial capture
08-04 21:21 20m -10 / - 7X5CY - / - 2 Partial capture
08-04 12:52 20m -20 / - <...> -22 / - 2 ✓ Closing fragment
08-04 12:46 20m -21 / - EA4IBN - / -9 3 ✓ Closing fragment
08-03 22:58 80m -17 / - TJ1GD/P - / - 9 Partial capture
08-03 22:49 80m -17 / - SP7X - / - 3 Partial capture
08-03 22:47 80m -16 / -9 YL2NX -6 / -10 6 ✓ Full exchange observed
08-03 22:29 80m -21 / - CU5AQ - / - 11 Partial capture
08-03 22:25 60m - / -8 ER3ZW +6 / - 2 ✓ Closing fragment
08-03 00:30 80m -10 / -15 EA8AR -14 / - 4 ✓ Closing observed
08-03 00:30 80m - / - IK4LZH +14 / - 4 Partial capture
08-03 00:26 80m - / - EA8AR -12 / - 2 Partial capture
08-03 00:26 80m -10 / -18 HA3GX +1 / -12 11 ✓ Full exchange observed
08-03 00:26 80m - / - IK4LZH +12 / - 4 Partial capture
08-03 00:24 80m - / - YO2LIM +11 / - 2 ✓ Closing fragment
08-03 00:21 80m -7 / -13 G8OO -3 / -4 5 ✓ Full exchange observed
08-03 00:19 80m -8 / -12 RN3YN -4 / -21 6 ✓ Full exchange observed
08-03 00:18 80m -10 / -11 UG4L +8 / -8 5 ✓ Full exchange observed
08-01 23:23 80m -17 / - ZS6WAB - / - 73 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
234100 -24 1855  OH3EX EB4SM IN80 (x2)
234145 +12 2687  EB4SM OH3EX RR73
234200 -23 1855  OH3EX EB4SM 73
234215  -7 1856  EB4SM OG1AO -25
234500 -18 1855  EA3FR EB4SM R-04 (x2)
235100 -14 1854  UR7FM EB4SM IN80 (x8)
40m
UTC    dB Audio  Message
230715 -15 1467  OJ0YL EB4SM IN80 (x6)
233015 -14 1879  LU1IBL EB4SM IN80 (x9)
20m
UTC    dB Audio  Message
000400 -17 1501  BG0EMF EB4SM IN80 (x2)
000630 -19 1500  BA9TX EB4SM IN80 (x2)
001245 -12 1500  BD8ABR EB4SM IN80 (x11)
60m
UTC    dB Audio  Message
222430 -20 1528  EB4SM IW9FRA -04
220300 -14 2445  R70OBN EB4SM IN80
004415  +1 1458  EB4SM DL1UDO JO31 (x2)
004830 -19 1280  EA2EES EB4SM 73
222530  +7 2029  EB4SM ER3ZW -08 (x2)
221930  +0  642  EB4SM OJ0JR -10 (x2)
10m
UTC    dB Audio  Message
085630 -14 2079  EB4SM 9H4JX -15
093300  +0 2414  EB4SM R3UG -10 (x2)
101300 -22 1946  EB4SM LX1RFJ -10

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.