WB4MNK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: EL99

Receiver-side FT8 activity involving WB4MNK, decoded by SO8OO in southeastern Poland. 396 related FT8 messages, 44 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 34 UTC dates. Heard between 2026-05-21 and 2026-08-17.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

396
Related messages
44
CQ messages
34
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 20m 60m 40m 10m
First seen: 2026-05-21
Last seen: 2026-08-17 23:38 UTC

Frequent QSO partners observed at SO8OO

Stations WB4MNK worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by WB4MNK

Approximate centre of EL99, decoded 2026-08-21 00:28 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 UTCBandWB4MNK S/NCounterpartCounterpart S/NMsgsCapture
08-21 00:28 20m -22 / - YV5OIE - / - 2 Partial capture
08-21 00:20 20m -20 / - AC8HF - / -15 2 ✓ Closing fragment
08-21 00:18 20m -17 / - VA3MBT - / -22 2 ✓ Closing fragment
08-21 00:14 20m -7 / - AF0E - / -21 3 ✓ Closing fragment
08-21 00:12 20m 0 / - AC2ZZ - / -18 4 Partial capture
08-21 00:01 20m -16 / - M7SDQ - / -20 3 Partial capture
08-20 23:59 20m -9 / - DG5KAC - / - 3 Partial capture
08-18 01:18 80m -17 / - KE9ALH - / -19 3 ✓ Closing fragment
08-18 01:13 60m -11 / - KI0D - / -18 2 ✓ Closing fragment
08-18 01:10 60m -10 / -8 EB1LA 0 / -14 5 ✓ Full exchange observed
08-18 01:07 60m -11 / -16 HA7TM +18 / - 3 ✓ Closing observed
08-18 01:03 60m - / -21 PC2F -14 / - 5 ✓ Closing fragment
08-18 01:01 60m -21 / -15 ER3UA -2 / -15 4 ✓ Full exchange observed
08-17 23:14 40m - / -16 E71DK -18 / - 2 Partial capture
08-17 23:08 40m - / -11 IK4LZH -6 / - 3 Partial capture
08-14 02:12 20m - / - UR3LM -16 / - 2 Partial capture
08-08 01:11 40m - / - UR7FM -11 / - 2 Partial capture
08-08 01:08 40m - / -9 R2EN -13 / - 2 ✓ Closing fragment
08-07 23:52 40m - / +6 G5TV -19 / - 2 Partial capture
08-07 23:49 40m - / -10 DD7MK -6 / - 2 ✓ Closing fragment
08-07 02:33 40m - / - RX6LN -7 / - 3 ✓ Closing fragment
08-07 02:30 40m - / -13 US6CQ -6 / - 2 ✓ Closing fragment
08-07 02:24 40m - / -17 RQ3P -2 / - 3 Partial capture
08-07 02:21 40m - / -3 F4HQB -5 / - 3 ✓ Closing fragment
08-07 02:14 40m - / -16 RA6ZC -16 / - 2 ✓ Closing fragment
08-07 02:11 40m - / -7 G6OTZ -16 / - 2 Partial capture
08-07 02:11 40m - / - RW6MMU -16 / - 5 Partial capture
08-07 01:50 80m - / -12 CT7AUT -12 / - 2 ✓ Closing fragment
08-07 01:46 80m - / - CT7AUT -15 / - 3 Partial capture
08-07 01:46 80m - / -2 K4BQP/4 -19 / - 2 ✓ Closing fragment
08-07 01:36 80m - / -18 IW0FFK -4 / - 3 ✓ Closing fragment
08-05 01:10 40m - / -14 RN6MA -15 / - 2 ✓ Closing fragment
08-05 00:48 40m - / -19 RV3O -6 / - 2 ✓ Closing fragment
08-03 01:50 80m - / - OM0RX +13 / - 3 Partial capture
08-03 01:39 80m - / -16 <...> -4 / - 2 Partial capture
08-01 03:27 80m - / -3 W1CDO -3 / - 2 ✓ Closing fragment
08-01 03:23 80m -9 / -14 G7RAU +7 / - 5 ✓ Closing observed
08-01 03:18 80m - / -10 F4DIA +1 / - 3 ✓ Closing fragment
08-01 03:14 80m - / - OM0RX +11 / - 3 Partial capture
08-01 03:12 80m - / - SP8ONV +10 / - 5 Partial capture
08-01 03:03 80m - / - DO1ID +11 / - 4 Partial capture
07-27 02:20 40m - / - RX6LN -15 / - 6 Partial capture
07-27 01:18 40m - / - UA4FKT -5 / - 2 Partial capture
07-11 02:46 20m - / - DL1R -5 / - 5 Partial capture
07-07 00:09 20m - / - DL1BBO -5 / - 2 Partial capture
06-24 00:59 20m -4 / - M7JVT - / -10 2 ✓ Closing fragment
06-24 00:58 20m -3 / - RW4C - / -15 3 ✓ Closing fragment
06-24 00:50 20m -5 / - AA4TN - / -12 2 ✓ Closing fragment
06-24 00:46 20m -4 / - W7LDE - / - 2 Partial capture
06-24 00:43 20m -2 / - K3UCQ - / -6 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
000145 -16 1317  M7SDQ WB4MNK EL99 (x2)
001215  -4  688  AC2ZZ WB4MNK EL99 (x4)
001415  -6  982  AF0E WB4MNK EL99 (x3)
001845 -17 2090  VA3MBT WB4MNK R-22 (x2)
002030 -18 1496  AC8HF WB4MNK R-15 (x2)
002815 -23 1409  YV5OIE WB4MNK EL99 (x2)
80m 
UTC    dB Audio  Message
014630 -17 2201  WB4MNK K4BQP/4 -02
014630 -13 1443  WB4MNK CT7AUT IM67
014700 -21 2201  <WB4MNK> K4BQP/4 RR73
014700 -17 1443  WB4MNK CT7AUT IM67 (x4)
012930 -24  862  WB4MNK VP8A -19 (x2)
011745 -13 2621  N1WI WB4MNK R-12
011845 -18  832  KE9ALH WB4MNK EL99 (x3)
012000  +7 1004  WB4MNK LY8O KO25
013845 +18  464  WB4MNK US6EX KN78
60m 
UTC    dB Audio  Message
010615 -16 1283  WB4MNK PC2F 73
010730 +17  528  WB4MNK HA7TM -16 (x2)
010815 -11  529  HA7TM WB4MNK 73
011015 -14  824  CQ WB4MNK EL99                        a1
011030  +1  348  WB4MNK EB1LA IN73
011045 -10  821  EB1LA WB4MNK -14
011100  +2  348  WB4MNK EB1LA R-08
011115 -11  822  EB1LA WB4MNK RR73
011130  -2  348  WB4MNK EB1LA 73
011145 -11  821  CQ WB4MNK EL99 (x3)
011315 -12  824  KI0D WB4MNK -18 (x2)
40m 
UTC    dB Audio  Message
010830 -13 1756  WB4MNK R2EN -09 (x2)
011130 -10 2527  WB4MNK UR7FM KN56 (x2)
222445 -13 1374  WB4MNK OK5AC -22
230715 -19 1306  WB4MNK G0ANS -13
230815  -4  438  WB4MNK IK4LZH JN54 (x3)
231415 -21 2072  WB4MNK E71DK -16 (x2)
232100 -10  675  WB4MNK IW1GB -14
232130 -13  674  WB4MNK F1IQH R-07
232630  -6  674  WB4MNK TA3NK KM39
232700  -9  733  WB4MNK ON5CDG R-10

Decoder S/N history by band

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