WD4SRC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: EM76

Receiver-side FT8 activity involving WD4SRC, decoded by SO8OO in southeastern Poland. 281 related FT8 messages, 1 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 23 UTC dates. Heard between 2026-05-29 and 2026-08-24.

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

281
Related messages
1
CQ messages
23
UTC dates heard
-6 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m
First seen: 2026-05-29
Last seen: 2026-08-24 02:11 UTC

Frequent QSO partners observed at SO8OO

Stations WD4SRC worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by WD4SRC

Approximate centre of EM76, decoded 2026-08-24 03:42 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 UTCBandWD4SRC S/NCounterpartCounterpart S/NMsgsCapture
08-24 04:10 40m - / - DL1GLO +8 / - 2 Partial capture
08-24 03:25 40m - / -19 F5HNQ -8 / - 6 ✓ Closing fragment
08-24 03:24 40m - / - F1IQH +3 / - 3 Partial capture
08-24 02:39 40m - / -9 4L7T -10 / - 2 Partial capture
08-24 01:34 40m - / -17 TF4M -13 / - 9 Partial capture
08-24 00:55 20m - / -21 LZ1SAD -6 / - 2 ✓ Closing fragment
08-24 00:17 20m - / -17 CP6CL -17 / - 2 ✓ Closing fragment
08-23 23:56 20m - / -22 8Q7PR -16 / - 2 ✓ Closing fragment
08-23 04:59 20m - / -17 ZL1VAH -13 / - 3 ✓ Closing fragment
08-23 04:23 80m - / -20 OE7UU +9 / - 2 ✓ Closing fragment
08-23 04:17 80m - / -19 SV8JE +1 / - 3 Partial capture
08-23 03:35 80m - / -18 PI4DX +12 / - 2 Partial capture
08-23 01:33 40m - / - DJ0MAB -14 / - 2 Partial capture
08-23 01:31 40m - / -9 CS8ABF -18 / - 2 ✓ Closing fragment
08-23 00:10 40m - / -4 EI9KF -16 / - 2 ✓ Closing fragment
08-23 00:07 20m -6 / - GM7JQK - / - 4 Partial capture
08-23 00:02 20m -5 / - SA3LEN - / -3 2 Partial capture
08-23 00:02 20m -4 / -7 DK9ZQ +12 / - 8 ✓ Closing observed
08-23 00:00 20m - / +8 KB1WQN -10 / - 3 Partial capture
08-22 23:58 20m - / -6 OZ1BUR -2 / - 2 ✓ Closing fragment
08-22 23:49 20m - / -12 HC7AE -22 / - 2 ✓ Closing fragment
08-22 23:46 20m - / -9 5Z4VJ -8 / - 2 ✓ Closing fragment
08-22 23:14 20m -13 / -13 TJ1GD -11 / - 2 ✓ Closing observed
08-22 02:37 80m - / -17 DL1RWN +16 / - 2 ✓ Closing fragment
08-22 02:24 40m - / -14 OZ8ABA -9 / - 2 ✓ Closing fragment
08-21 03:12 80m - / -23 OK2IT +20 / - 3 ✓ Closing fragment
08-21 03:08 80m - / -17 HB9CXZ +14 / - 2 ✓ Closing fragment
08-21 02:57 60m - / - F4FPR -1 / - 4 Partial capture
08-20 04:05 60m - / - F5SIB -18 / - 2 Partial capture
08-20 04:04 60m - / -17 OZ5TD -13 / - 4 Partial capture
08-20 04:00 60m - / -21 DH3YAK -11 / - 17 Partial capture
08-20 04:00 60m - / -16 EA3AKY -2 / - 3 ✓ Closing fragment
08-20 03:56 60m - / - SP3IOE +5 / - 2 Partial capture
08-20 03:56 60m - / - DH3YAK -16 / - 2 Partial capture
08-20 03:50 60m - / -12 HB9ALO -9 / - 4 ✓ Closing fragment
08-20 03:44 60m - / -18 OZ8ABA +2 / - 3 ✓ Closing fragment
08-20 03:41 60m - / -10 DL3OCF -1 / - 5 Partial capture
08-20 03:39 60m - / - DH3YAK -10 / - 3 Partial capture
08-20 03:34 60m - / -11 DL3OCF +3 / - 5 Partial capture
08-20 03:34 60m - / -16 F4IIX -14 / - 2 Partial capture
08-20 03:32 60m - / -11 ON7GB +7 / - 3 ✓ Closing fragment
08-20 03:27 60m - / -20 LA9GX +6 / - 3 ✓ Closing fragment
08-20 03:24 60m - / -12 SV8JE -1 / - 3 ✓ Closing fragment
08-20 03:20 60m - / -19 LA9GX +1 / - 6 Partial capture
08-20 03:12 60m - / -14 DL3OCF -6 / - 4 Partial capture
08-20 03:09 60m - / -12 PA3BUD +1 / - 4 Partial capture
08-20 03:07 60m - / -16 SQ1X +8 / - 2 ✓ Closing fragment
08-20 03:07 60m - / -14 S58N +2 / - 2 Partial capture
08-20 02:52 60m - / -15 DK7ZT -17 / - 2 Partial capture
08-20 02:52 60m - / - DL1UDO -12 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
032330 -21 2209  WD4SRC KM4ECH RR73
032430  +3  791  WD4SRC F1IQH JN27 (x3)
032530  -9 2029  WD4SRC F5HNQ IN98
032600 -12  791  WD4SRC TA3NK KM39
032600  -8 2029  WD4SRC F5HNQ IN98 (x5)
033430 -15 2393  WD4SRC WA2HIP RR73
034215 -18  791  AE0SB WD4SRC EM76
041030  +2 2504  WD4SRC DL1GLO JN47 (x2)
20m 
UTC    dB Audio  Message
000545 -10 2967  F4VTR WD4SRC -14
000745  -6 2967  GM7JQK WD4SRC EM76 (x4)
020700 -19  885  A61SD WD4SRC EM76
045915 -12 2692  WD4SRC ZL1VAH -17 (x3)
235630 -16 1993  WD4SRC 8Q7PR -22 (x2)
001745 -16 1992  WD4SRC CP6CL -17 (x2)
005515  -2  745  WD4SRC LZ1SAD -21 (x2)
80m 
UTC    dB Audio  Message
030845 +11 2424  WD4SRC HB9CXZ RR73
031215 +20 2664  WD4SRC OK2IT -23 (x3)
031845 -24 2203  WD4SRC CX6TU RR73
023730 +18 2657  WD4SRC DL1RWN -17 (x2)
025445 -21 1753  F5RRS WD4SRC EM76
033545 +13  983  WD4SRC PI4DX -18 (x2)
041745  +0  263  WD4SRC SV8JE -19 (x3)
042315 +10 1907  WD4SRC OE7UU -20 (x2)
60m 
UTC    dB Audio  Message
040600 -18 1938  WD4SRC F5SIB JN18
040600 -16 1078  WD4SRC OZ5TD JO44
040600 -13 1141  WD4SRC DH3YAK JO31
040630 -15 1078  WD4SRC OZ5TD R-17
040700 -14 1694  WD4SRC DH3YAK JO31 (x7)
025715  -1 2869  WD4SRC F4FPR IN88 (x4)
10m 
UTC    dB Audio  Message
120300 -22 1335  WD4SRC F4DIA RR73
182230 -14 2171  WD4SRC 7Q5MP RR73
235215  -6  845  WD4SRC SV2CLJ -17 (x6)
105930 -10  582  WD4SRC IU0VOG JN61

Decoder S/N history by band

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