W4SFX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: EM94

Receiver-side FT8 activity involving W4SFX, decoded by SO8OO in southeastern Poland. 526 related FT8 messages, 1 CQ messages, observed on 80m, 60m, 40m, 20m, across 18 UTC dates. Heard between 2026-04-28 and 2026-06-30.

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

526
Related messages
1
CQ messages
18
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-04-28
Last seen: 2026-06-30 01:07 UTC

Activity Heatmap

Locator transmitted by W4SFX

Approximate centre of EM94, decoded 2026-07-03 01:38 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 UTCBandW4SFX S/NCounterpartCounterpart S/NMsgsCapture
06-30 03:06 40m - / - OM0RX -17 / - 3 Partial capture
06-30 03:03 40m - / - DF3MC -5 / - 6 Partial capture
06-30 02:46 40m - / - DF3MC -10 / - 5 Partial capture
06-30 02:26 40m - / -24 R2EC -3 / - 3 ✓ Closing fragment
06-30 00:43 40m - / - OM0RX -17 / - 3 Partial capture
06-30 00:39 40m - / - F1IQH -14 / - 2 Partial capture
06-30 00:31 40m - / -16 OM0RX -21 / - 7 Partial capture
06-29 01:24 40m - / -19 DK5UR +1 / - 3 ✓ Closing fragment
06-24 23:49 20m - / - EA3HMM +3 / - 2 Partial capture
06-24 23:41 20m - / -15 IS0KNG -7 / - 2 ✓ Closing fragment
06-24 20:50 20m - / -14 HB9TIH -16 / - 2 ✓ Closing fragment
06-24 20:35 20m - / - IK2JYT -6 / - 4 Partial capture
06-23 02:25 20m - / - F5PBG -8 / - 3 Partial capture
06-21 23:44 20m - / -3 K4C -20 / - 2 ✓ Closing fragment
06-14 03:05 20m - / - HB9VAA -12 / - 2 Partial capture
06-12 01:25 40m - / +7 KB2GCG -10 / - 2 ✓ Closing fragment
06-12 01:02 40m - / - F1IQH -12 / - 3 Partial capture
06-12 01:02 40m - / +7 KG2H -23 / - 3 ✓ Closing fragment
06-11 02:16 40m - / -20 PD9OH +2 / - 4 ✓ Closing fragment
06-11 02:09 40m - / - PD9OH +3 / - 2 Partial capture
06-11 02:01 40m - / -14 OE4AAC +8 / - 5 ✓ Closing fragment
06-11 01:54 40m - / -11 CT2GQA -4 / - 2 Partial capture
06-11 01:18 40m - / -19 SP3MAL -2 / - 3 Partial capture
06-11 01:18 40m - / -17 PD9OH -6 / - 7 Partial capture
06-11 01:13 40m - / - F1IQH -6 / - 3 Partial capture
06-11 00:07 40m - / - PD9OH -14 / - 4 Partial capture
06-11 00:02 40m - / - PD9OH -14 / - 2 Partial capture
06-10 23:40 40m - / - PD9OH -5 / - 4 Partial capture
06-10 03:17 40m - / -15 DL5AN -9 / - 2 Partial capture
06-10 03:01 40m - / -8 HA1SU -14 / - 2 ✓ Closing fragment
06-09 03:53 40m - / - SP9IZV -23 / - 3 Partial capture
06-09 03:49 40m - / -18 S58MU +5 / - 3 Partial capture
06-09 03:48 40m - / - PD1HBL -8 / - 2 Partial capture
06-09 03:35 40m - / - PD1HBL -11 / - 2 Partial capture
06-09 03:11 40m - / -16 IT9EUT -10 / - 4 ✓ Closing fragment
06-09 03:02 40m - / -13 YO9IAB +15 / - 5 ✓ Closing fragment
06-09 02:36 40m - / -11 EI2IXB +2 / - 2 ✓ Closing fragment
06-09 02:28 40m - / - 9A3AUH -7 / - 4 Partial capture
06-09 02:22 40m - / +1 K4XP -6 / - 4 ✓ Closing fragment
06-09 02:09 40m -15 / - KF4CCG -15 / - 2 Partial capture
06-09 01:47 40m -15 / +6 K2DBK -18 / +4 3 Partial capture
06-09 01:41 40m - / -5 KC1VFW -11 / - 2 Partial capture
06-09 01:38 40m - / - ON4MAP -21 / - 3 Partial capture
06-09 01:35 40m - / - 4L7T -13 / - 2 Partial capture
06-09 01:34 40m - / -8 F5PBG +2 / - 4 ✓ Closing fragment
06-09 01:33 40m - / +1 W2HWW -14 / - 2 Partial capture
06-09 01:18 40m - / - PA3KUS -14 / - 3 Partial capture
06-09 01:12 40m - / -13 DJ0MAB +9 / - 3 ✓ Closing fragment
06-09 01:06 40m -14 / - WZ9B - / - 2 ✓ Closing fragment
06-09 01:05 40m -14 / - DK8HC -9 / -18 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
013845 -24  858  K2L W4SFX EM94
40m
UTC    dB Audio  Message
022745  -1 2463  W4SFX R2EC 73
024645 -12 1375  W4SFX DF3MC JN57 (x10)
030645 -21 1614  W4SFX OM0RX JN88
030645  -6 1496  W4SFX DF3MC JN57
030715 -13 1613  W4SFX OM0RX JN88 (x2)
20m
UTC    dB Audio  Message
203500  -8  787  W4SFX IK2JYT JN45 (x4)
205030 -16 1782  W4SFX HB9TIH R-14 (x2)
234130  -8 1678  W4SFX IS0KNG -15 (x2)
234915 -12  735  W4SFX VE9CF FN76
234945  +4 1138  W4SFX EA3HMM JN00 (x2)
235715  -9  735  W4SFX VE9CF FN76
001715 -11 1637  W4SFX IT9CCB 73
181545 -20 1373  W4SFX EA4T -17
005715  -8 3064  W4SFX AA1SU -05

Decoder S/N history by band

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