W4SFD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving W4SFD, decoded by SO8OO in southeastern Poland. 339 related FT8 messages, 3 CQ messages, observed on 80m, 40m, 20m, across 36 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

339
Related messages
3
CQ messages
36
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-17
Last seen: 2026-08-12 00:33 UTC

Activity Heatmap

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 UTCBandW4SFD S/NCounterpartCounterpart S/NMsgsCapture
08-12 02:32 20m - / +6 F1PBZ -1 / - 2 Partial capture
08-12 02:32 20m - / - IK4LZH -8 / - 2 Partial capture
08-12 02:16 20m - / -15 SV5BYP -14 / - 4 ✓ Closing fragment
08-12 01:48 20m - / -18 RN6MA -22 / - 2 Partial capture
08-12 01:39 20m - / -17 RN6MA -21 / - 2 Partial capture
08-11 03:14 40m - / - DL3MIB -12 / - 6 Partial capture
08-11 03:13 40m - / -11 YO6LM -2 / - 2 Partial capture
08-10 22:13 20m - / - IK4LZH -8 / - 2 Partial capture
08-08 03:41 20m - / -12 9K2OK -17 / - 6 Partial capture
08-08 01:17 40m - / -12 F1PBZ -4 / - 2 Partial capture
08-08 01:17 40m - / - OO0O -14 / - 4 Partial capture
08-06 02:37 20m - / -15 F1PBZ -13 / - 2 Partial capture
08-03 02:50 40m - / - F5PBG -17 / - 4 Partial capture
07-27 03:24 20m - / -11 A71UN -16 / - 2 Partial capture
07-19 06:02 20m - / - PC5R -9 / - 5 Partial capture
07-19 05:56 20m - / - DL1UDO -4 / - 2 Partial capture
07-19 05:50 20m - / - IK4LZH -9 / - 3 Partial capture
07-19 05:48 20m - / - R2AL -4 / - 2 ✓ Closing fragment
07-19 05:45 20m - / - OK1KM -14 / - 2 Partial capture
07-19 05:42 20m - / -21 DL3OCF -8 / - 4 ✓ Closing fragment
07-19 05:42 20m - / - LZ3CB +17 / - 3 Partial capture
07-19 05:42 20m - / -18 SQ2NUH -4 / - 3 Partial capture
07-19 05:40 20m - / - R2AL +7 / - 3 Partial capture
07-19 05:36 20m - / - DL1R -3 / - 2 Partial capture
07-19 05:36 20m - / - R2AL +1 / - 4 Partial capture
07-19 05:35 20m - / -17 F1ODM +2 / - 4 Partial capture
07-19 05:33 20m - / - R2DR -17 / - 2 Partial capture
07-19 05:31 20m - / - IK4LZH -3 / - 4 Partial capture
07-07 03:20 20m - / -16 RA3FY -21 / - 3 ✓ Closing fragment
06-30 01:34 40m - / -15 F4GTB -12 / - 4 Partial capture
06-30 00:18 20m - / -15 OE8DDX -12 / - 2 ✓ Closing fragment
06-26 02:53 40m - / -19 DK7ZT -16 / - 3 Partial capture
06-26 02:32 40m - / - F5RRS -13 / - 2 Partial capture
06-24 23:13 20m - / -12 EA3HMM -12 / - 7 ✓ Closing fragment
06-24 22:23 20m - / -14 IS0KNG -7 / - 12 Partial capture
06-24 21:55 20m - / 0 EA8UP -16 / - 5 ✓ Closing fragment
06-23 21:23 20m - / -14 G5TV -10 / - 4 ✓ Closing fragment
06-23 21:13 20m - / -3 EA4T -18 / - 2 Partial capture
06-23 20:04 20m - / - EA2TW -15 / - 2 Partial capture
06-23 04:51 20m - / -20 IU0TPA -6 / - 4 Partial capture
06-23 04:21 40m - / - F1MXE -20 / - 2 Partial capture
06-23 03:56 20m - / - F5PBG -4 / - 4 Partial capture
06-22 20:45 20m - / -13 CT2GFJ -18 / - 4 ✓ Closing fragment
06-16 02:59 40m - / - IK4LZH +6 / - 3 Partial capture
06-16 02:51 40m - / - F4BYA +7 / - 4 Partial capture
06-15 05:12 20m - / - DL3OCF -18 / - 2 Partial capture
06-15 05:11 20m - / -15 SM6KKX +5 / - 5 ✓ Closing fragment
06-15 05:10 20m - / -11 F6DZU -5 / - 6 ✓ Closing fragment
06-15 05:06 20m - / -12 DL3WA -6 / - 2 Partial capture
06-15 05:06 20m - / - IK4LZH -8 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
014045 -21 1930  W4SFD RN6MA -17
014345  -1 2774  W4SFD F1PBZ -16
014845 -24 1930  W4SFD RN6MA -18 (x2)
015115 -16 1929  W4SFD UA6BCN -18
021600 -13 1665  W4SFD SV5BYP KM46 (x4)
023215  -8  464  W4SFD IK4LZH JN54
023215  -1 2775  W4SFD F1PBZ +06
023245  -9  464  W4SFD IK4LZH JN54
023245  -1 2774  W4SFD F1PBZ +06
023245  -8 1696  W4SFD UT5ECZ -15
023315  -9 2382  W4SFD IQ4JO JN63
40m
UTC    dB Audio  Message
011715 -14  779  W4SFD OO0O JO11
011715  -3 2743  W4SFD F1PBZ -12 (x2)
011845 -14  779  W4SFD OO0O JO11 (x3)
031315 -21 1472  W4SFD YO6GLT KN36
031345  -3 2796  W4SFD YO6LM -11
031445 -17 1069  W4SFD DL3MIB JN57
031445  -1 2796  W4SFD YO6LM -12
031545  -9 1069  W4SFD DL3MIB JN57 (x5)
80m
UTC    dB Audio  Message
030815  +0  468  W4SFD EA1IOK IN62 (x3)
033530 -12 2565  W4SFD TM2WWA -14
013530 -18  710  W4SFD K1BZ R+01

Decoder S/N history by band

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