F4BYB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France Locator transmitted in a decoded message: JO10

Receiver-side FT8 activity involving F4BYB, decoded by SO8OO in southeastern Poland. 91 related FT8 messages, 5 CQ messages, observed on 40m, 20m, 10m, across 13 UTC dates. Heard between 2026-05-17 and 2026-08-12.

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

91
Related messages
5
CQ messages
13
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-17
Last seen: 2026-08-12 17:47 UTC

Activity Heatmap

Locator transmitted by F4BYB

Approximate centre of JO10, decoded 2026-08-12 19:44 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 UTCBandF4BYB S/NCounterpartCounterpart S/NMsgsCapture
08-12 19:45 10m -12 / - DL3LBK -9 / +5 6 ✓ Closing observed
08-12 19:44 10m -17 / -19 DO7TTR/P -15 / - 4 Partial capture
08-12 16:55 20m -16 / - DL9KM - / -8 2 ✓ Closing fragment
08-11 04:42 40m - / -4 SQ3MQD -3 / - 3 ✓ Closing fragment
07-31 12:18 20m -13 / - GM5CAR - / -5 3 ✓ Closing fragment
07-31 12:14 20m -16 / - DL7UVO - / -23 2 Partial capture
07-31 12:11 20m -16 / -3 9A6NTK -11 / 0 5 ✓ Full exchange observed
07-31 12:04 20m -18 / - VP2MAA - / -26 2 Partial capture
07-28 15:52 20m - / -14 F4JCU -1 / - 3 ✓ Closing fragment
07-28 15:51 20m - / -8 E70SZ -8 / - 3 ✓ Closing fragment
07-28 15:47 20m - / -16 IS0KNG -18 / - 5 ✓ Closing fragment
07-28 15:47 20m - / -12 RN6MA +2 / - 2 ✓ Closing fragment
07-26 07:31 40m - / - OE6TNO -14 / - 2 Partial capture
07-25 17:50 40m - / 0 9A4ZM -14 / - 2 ✓ Closing fragment
06-06 18:19 20m - / - R1BDX -21 / - 2 Partial capture
06-04 15:57 40m -16 / - GW4ZUA - / - 2 ✓ Closing fragment
06-04 15:28 40m -18 / - TK5NJ - / -24 2 ✓ Closing fragment
06-04 14:39 40m - / - UX7QV +7 / - 5 Partial capture
06-04 14:37 40m - / - S51PV -9 / - 4 Partial capture
05-31 18:44 20m - / -1 TA3NK -8 / - 2 ✓ Closing fragment
05-31 18:33 20m - / -12 RK3AQ +1 / - 3 ✓ Closing fragment
05-31 18:31 20m - / -5 RC5F -2 / - 3 ✓ Closing fragment
05-31 14:51 20m -11 / - <...> - / -24 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
194415 -17 2129  DO7TTR/P F4BYB JO10
194430 -12 2131  F4BYB DO7TTR/P -19 (x3)
194530  -9 2592  F4BYB DL3LBK JO54 (x4)
194715 -11 2592  DL3LBK F4BYB +05 (x2)
195245 -19 2246  OZ2SPACE F4BYB R-10
20m
UTC    dB Audio  Message
120815 -15 1219  CQ F4BYB JO10                         a1
121100  -7 1425  F4BYB 9A6NTK JN85
121115 -14 1425  9A6NTK F4BYB +00
121130 -12 1425  F4BYB 9A6NTK R-03
121145 -18 1425  9A6NTK F4BYB RR73
121200 -15 1424  F4BYB 9A6NTK 73
121415 -16 1219  DL7UVO F4BYB JO10 (x2)
121800 -15 1424  GM5CAR F4BYB JO10 (x3)
122030  -8 1467  RY2B F4BYB JO10
165345 -11 2495  OZ/DO2TSG F4BYB R-14
165515 -17 1095  DL9KM F4BYB -08 (x2)
40m
UTC    dB Audio  Message
144100  +5  725  F4BYB UX7QV KN29 (x2)
151715 -21 1638  M0GQC F4BYB 73
152845 -16 2103  TK5NJ F4BYB R-24 (x2)
155745 -17 1443  GW4ZUA F4BYB JO10 (x2)
174815 -11 1404  F4BYB SP9BEB RR73
175045 -14 2171  F4BYB 9A4ZM R+00 (x2)
073145 -13  765  F4BYB OE6TNO JN77 (x2)
044245  +0  897  F4BYB SQ3MQD JO71 (x3)

Decoder S/N history by band

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