EA1FLB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Spain Most frequent locator attributed to this token: IN53

Receiver-side FT8 activity involving EA1FLB, decoded by SO8OO in southeastern Poland. 34 FT8 messages attributed to this token as transmitter, on 20m, 10m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-28 and 2026-07-20.

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 34 FT8 messages attributed to EA1FLB as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 10 m (56%), followed by 20 m (44%). Most decodes (76%) fell within the six-hour window 12:00-18:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's weak S/N range (76%); the estimated median was -18 dB.

Overview

34
Messages attributed
5
UTC dates decoded
8
Active 15-min windows
-18 dB
Estimated median S/N

Bands

20m · 15 10m · 19
First attributed message: 2026-06-28
Last attributed message: 2026-07-20 18:37 UTC

Observed FT8 message patterns

Attributed sample
34 messages
Active dates
5 UTC dates
Estimated median S/N
-18 dB
Estimated 10th-90th percentile
-21 to -12 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 26, moderate (-15 to -9 dB) 7, strong (≥ -8 dB) 1.

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.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with EA1FLB in decoded directed-looking exchanges:

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 EA1FLB

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
IN53 · 25 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,434 km (approx.)
Last such locator decoded
2026-07-20 18:37 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 UTCBandEA1FLB S/NCounterpartCounterpart S/NMsgsCapture
07-22 15:43 20m - / -5 CN2DX -8 / - 3 Partial capture
07-22 15:36 20m - / -15 EA7IB -11 / - 2 ✓ Closing fragment
07-20 18:36 20m -11 / - YO3YX - / - 4 Partial capture
07-20 17:53 10m - / -2 RX6AOB -14 / - 2 ✓ Closing fragment
07-19 17:24 20m - / -2 F4MGP -15 / - 3 ✓ Closing fragment
07-18 19:51 40m - / -17 UB6OFG -5 / - 3 ✓ Closing fragment
07-18 19:42 40m - / -15 OE3PBS -6 / - 2 ✓ Closing fragment
07-18 11:07 10m - / -8 R6AR -2 / - 4 ✓ Closing fragment
07-14 17:32 20m -12 / -9 IK4RVY 0 / - 3 ✓ Closing observed
07-12 17:30 20m -18 / - TA3XEE - / -13 2 ✓ Closing fragment
07-12 17:28 20m -18 / - YH7KS - / - 2 Partial capture
07-05 17:02 40m - / -11 TM2WWA -8 / - 2 ✓ Closing fragment
06-29 12:46 10m -20 / - 8A1WWA - / - 2 Partial capture
06-29 12:42 10m -22 / - MW7TTA - / - 2 Partial capture
06-29 12:41 10m -20 / - HA1BF - / - 2 Partial capture
06-29 12:37 10m -19 / - ON4BJP -14 / -3 2 ✓ Closing observed
06-29 12:35 10m -20 / - PA3BMB -17 / - 2 ✓ Closing observed
06-29 12:33 10m -19 / -7 R5AV -12 / -17 4 ✓ Full exchange observed
06-28 18:46 10m - / -17 UA3ZZ +6 / - 2 ✓ Closing fragment
06-28 10:11 10m - / - SV2CLJ -5 / - 4 Partial capture
06-27 11:04 10m - / -9 F4FSY -12 / - 2 ✓ Closing fragment
06-26 13:10 20m - / -9 <...> -10 / - 5 Partial capture
06-26 12:38 20m - / +10 DL6REX -18 / - 5 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
173400 -19 1319  S57AM EA1FLB IN53
174100 -17 1319  CQ EA1FLB IN53                        a1 (x2)
172415 -16 2117  EA1FLB F4MGP JN04 (x3)
183600  -8 1160  YO3YX EA1FLB IN53 (x4)
153600 -10 1162  EA1FLB EA7IB R-15 (x2)
154330  -7 1779  EA1FLB CN2DX -05 (x3)
10m 
UTC    dB Audio  Message
123945 -22 1994  IR0WWA EA1FLB R-12
124045 -21 1993  CQ EA1FLB IN53
124115 -22 1993  HA1BF EA1FLB IN53 (x2)
124215 -20 1993  CQ EA1FLB IN53
124245 -21 1993  MW7TTA EA1FLB IN53 (x2)
124615 -21 1993  8A1WWA EA1FLB IN53 (x2)
110730  -4 1557  EA1FLB R6AR -08 (x4)
175345 -14 1429  EA1FLB RX6AOB -02 (x2)
40m 
UTC    dB Audio  Message
165530 -13 1223  EA1FLB TM2WWA -18 (x3)
170530 -11  420  EA1FLB DL3LO -21
194145 -17 1886  EA1FLB LY8O RR73
194245  -5 1932  EA1FLB OE3PBS -15 (x2)
195115  -7  651  EA1FLB UB6OFG -17 (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.

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