OS8A — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO20

Receiver-side FT8 activity involving OS8A, decoded by SO8OO in southeastern Poland. 176 related FT8 messages, 82 CQ messages, observed on 40m, 20m, 10m, across 11 UTC dates. Heard between 2026-04-25 and 2026-07-03.

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

176
Related messages
82
CQ messages
11
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-04-25
Last seen: 2026-07-03 16:17 UTC

Activity Heatmap

Locator transmitted by OS8A

Approximate centre of JO20, decoded 2026-07-03 18:17 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 UTCBandOS8A S/NCounterpartCounterpart S/NMsgsCapture
07-03 18:20 10m -5 / - EA1FPN - / +6 2 ✓ Closing fragment
07-03 18:18 10m -7 / - EB7CFU - / - 2 ✓ Closing fragment
07-03 18:17 10m -8 / - CX6BK - / -19 3 ✓ Closing fragment
07-03 18:11 10m -12 / - LU2MET - / -22 8 Partial capture
06-08 08:39 20m -12 / - SP6CJE - / -25 5 ✓ Closing fragment
06-08 08:17 20m -10 / - F6BHK -4 / -17 6 Partial capture
06-08 08:14 20m - / - HB9FMC -10 / - 2 Partial capture
06-08 08:11 20m - / -10 MM7CEH -9 / - 2 ✓ Closing fragment
06-08 08:08 20m -14 / - F4FLF -8 / -22 3 Partial capture
06-08 08:07 20m -14 / -3 F6FDY -4 / -15 5 Partial capture
06-08 08:03 20m -17 / - KA4DQJ - / -24 2 Partial capture
06-05 07:58 20m -11 / - VE7LGP - / -4 3 ✓ Closing fragment
06-04 08:08 10m +13 / - VK6WTF - / - 5 Partial capture
06-04 08:06 10m +11 / - BG0AYW - / +6 4 ✓ Closing fragment
06-04 07:51 10m +8 / - E70SZ -17 / +8 17 Partial capture
06-04 07:46 10m +4 / - IZ8PPI - / -3 2 ✓ Closing fragment
06-04 07:42 10m +5 / - R4FCK -16 / -10 4 ✓ Closing observed
06-04 07:39 10m +2 / - YC2ALF - / -14 2 Partial capture
06-04 07:37 10m +2 / - YD0JHX -19 / +2 3 ✓ Closing observed
06-04 07:37 10m +2 / - YB7AAE - / -16 2 ✓ Closing fragment
06-04 05:32 60m -10 / - 3G0Z - / -26 14 ✓ Closing fragment
06-01 07:28 20m +14 / - HK3AB - / -25 2 ✓ Closing fragment
06-01 07:22 20m - / - RM9WU -13 / - 2 Partial capture
06-01 07:21 20m - / - IK5EEA -2 / - 4 Partial capture
06-01 05:51 40m -6 / - DL8OAZ -12 / -10 3 ✓ Closing observed
06-01 05:50 40m - / -14 RZ5D -14 / - 3 Partial capture
06-01 05:50 40m -5 / -5 YO9PH -6 / -15 6 ✓ Full exchange observed
06-01 05:49 40m -3 / - HB9ZHK - / -23 2 ✓ Closing fragment
06-01 05:45 40m -5 / - EC3A - / +4 5 ✓ Closing fragment
06-01 05:43 40m -2 / - PC1K -24 / +2 3 ✓ Closing observed
06-01 05:43 40m - / -9 YO9PH -11 / - 2 Partial capture
06-01 05:42 40m -4 / +3 S51PV -15 / -16 7 ✓ Full exchange observed
06-01 05:41 40m -1 / - SP7TF - / -6 2 ✓ Closing fragment
06-01 05:35 40m +3 / - <...> - / - 8 Partial capture
06-01 05:30 40m -4 / - J88IH - / - 6 Partial capture
05-28 07:39 20m +10 / - MM7CEH - / -11 2 ✓ Closing fragment
05-28 07:37 20m +6 / - RA6OY - / -10 2 ✓ Closing fragment
05-28 07:34 20m +2 / - R4AGO +13 / -5 2 Partial capture
05-28 07:32 20m +10 / - RW6B -10 / -13 3 ✓ Closing observed
05-28 07:29 20m +3 / -18 UR3AHB -5 / +8 4 ✓ Full exchange observed
05-28 07:26 20m +4 / - EA4RKC - / -14 2 ✓ Closing fragment
05-28 07:25 20m 0 / - UA3ZQN +10 / - 2 ✓ Closing observed
05-28 07:21 20m +3 / -2 R2DRY -7 / +6 11 ✓ Full exchange observed
05-28 07:17 20m +5 / - 9A2TN - / -9 2 ✓ Closing fragment
05-28 07:14 20m +2 / - SP2TQW - / -11 2 ✓ Closing fragment
05-28 07:12 20m +4 / - UT3KW - / 0 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
181315 -12  956  LU2MET OS8A -22 (x4)
181545 -16  956  CQ OS8A JO20 (x4)
181745 -12  955  CX6BK OS8A -19 (x2)
181845  -4  956  EB7CFU OS8A +24 (x2)
181945  -9  955  CX6BK OS8A RR73
182045 -12  955  EA1FPN OS8A +06 (x2)
20m
UTC    dB Audio  Message
083115 -16 1845  CQ OS8A JO20 (x4)
083330 -10 1846  OS8A <...> -09
083615 -19 1846  CQ OS8A JO20 (x2)
083745 -14 1845  KJ5PTH OS8A RR73
083800  -5 2488  OS8A IW5ALZ JN53
083845 -12 1845  CQ OS8A JO20
083915 -14 1845  SP6CJE OS8A R-25 (x5)
60m
UTC    dB Audio  Message
053245  -7  409  3G0Z OS8A JO20 (x14)
40m
UTC    dB Audio  Message
054845  -4 2233  CQ OS8A JO20
054915  -3 2233  HB9ZHK OS8A -23 (x2)
055030  -9 2235  OS8A YO9PH -05
055030 -14  812  OS8A RZ5D -14
055045  -6 2233  YO9PH OS8A R-15
055100  +0 2235  OS8A YO9PH RR73
055100 -12  811  OS8A RZ5D -14
055115  -3 2233  YO9PH OS8A R-15
055130  -8 2235  OS8A YO9PH RR73
055130 -12 2420  OS8A DL8OAZ JO42
055130 -16  810  OS8A RZ5D -14
055145  -6 2233  YO9PH OS8A 73
055215  -6 2233  DL8OAZ OS8A -10 (x2)

Decoder S/N history by band

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