DO9USB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO31

Receiver-side FT8 activity involving DO9USB, decoded by SO8OO in southeastern Poland. 190 related FT8 messages, 1 CQ messages, observed on 80m, 10m, across 29 UTC dates. Heard between 2026-05-25 and 2026-08-23.

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

190
Related messages
1
CQ messages
29
UTC dates heard
-9 dB
Mean decoder S/N

Bands

First seen: 2026-05-25
Last seen: 2026-08-23 15:59 UTC

Activity Heatmap

Locator transmitted by DO9USB

Approximate centre of JO31, decoded 2026-08-17 20:09 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 UTCBandDO9USB S/NCounterpartCounterpart S/NMsgsCapture
08-23 17:59 80m -24 / -8 DO7RMA +9 / - 3 ✓ Closing observed
08-17 20:05 80m -15 / -16 SP3GTP +4 / -5 5 ✓ Full exchange observed
08-17 20:02 80m - / -4 PE1NAO -12 / - 2 ✓ Closing fragment
08-17 19:52 80m -15 / -12 IQ4JO 0 / -7 4 ✓ Full exchange observed
08-17 17:52 80m - / -5 DO5HOK -8 / - 2 Partial capture
08-08 19:06 80m -19 / -6 PB1PCH -7 / - 5 ✓ Full exchange observed
08-08 18:23 80m - / -4 5P5Z +4 / - 2 ✓ Closing fragment
08-06 18:34 80m -19 / -1 ON5RJ -10 / - 4 Partial capture
08-06 18:29 80m - / -15 DL6UM -1 / - 5 ✓ Closing fragment
08-05 17:42 80m - / - F5RRS -10 / - 5 Partial capture
07-28 18:40 80m -24 / -2 DB100FT -8 / -4 2 Partial capture
07-24 14:18 10m - / -2 IK4JPP -16 / - 2 Partial capture
07-24 14:17 10m -16 / - I1FLC - / -6 2 ✓ Closing fragment
07-24 14:13 10m -14 / - OH1NHX - / -1 4 Partial capture
07-24 14:12 10m -12 / - PD00DOG - / - 2 Partial capture
07-22 18:23 80m -9 / -1 DD0AM -15 / -19 40 ✓ Full exchange observed
07-22 18:05 80m - / -1 DD0AM -13 / - 22 Partial capture
07-22 17:55 80m - / -1 DD0AM -15 / - 5 Partial capture
07-22 17:50 80m - / -1 DD0AM -15 / - 3 Partial capture
07-22 17:38 80m - / -1 DD0AM -8 / - 7 Partial capture
07-22 17:25 80m - / -1 DD0AM -7 / - 6 Partial capture
07-19 19:28 80m - / - DL7ACN -14 / - 2 ✓ Closing fragment
07-19 18:20 80m - / -17 DK7ZT -8 / - 5 Partial capture
07-15 18:22 80m -17 / -17 M0UOO -13 / - 5 Partial capture
07-14 18:52 80m - / - DH1DAC -11 / - 5 Partial capture
07-12 19:11 80m -24 / -3 DF3IS -12 / - 3 ✓ Closing observed
07-12 19:07 80m -19 / -7 DO3HUM 0 / -6 5 ✓ Full exchange observed
07-12 18:21 80m - / -13 SP9KKA +15 / - 3 ✓ Closing fragment
07-08 18:54 80m - / -7 DL0SOP -8 / - 2 ✓ Closing fragment
07-07 18:35 80m - / - SP6FME +6 / - 2 Partial capture
07-07 14:11 10m -20 / - SP9LS - / +6 2 Partial capture
07-06 17:06 10m -19 / - 9A2GU - / -18 2 Partial capture
07-06 17:03 10m -14 / - LZ3CB - / - 3 Partial capture
07-06 16:50 10m -18 / - UX2SB - / +1 3 ✓ Closing fragment
06-29 18:23 80m - / -4 DL7FCB -11 / - 8 Partial capture
06-20 14:57 10m - / -6 IQ6PE -2 / - 3 ✓ Closing fragment
06-16 18:35 80m -18 / -17 LA2GCA -22 / - 2 Partial capture
06-16 18:14 80m -20 / -5 DA1E -12 / - 4 ✓ Closing observed
06-15 18:50 80m - / -6 SQ9PCO +10 / - 2 ✓ Closing fragment
06-14 18:15 80m -13 / -1 DK7ZT -5 / - 5 ✓ Closing observed
06-13 17:52 80m - / -14 SP3CMX -18 / - 2 ✓ Closing fragment
06-10 18:55 80m - / -3 DO7RMA -12 / - 2 ✓ Closing fragment
06-10 18:42 80m - / -5 DO9KB 0 / - 2 ✓ Closing fragment
06-10 18:11 10m -10 / - PU2BRU - / - 2 Partial capture
06-08 17:06 10m -4 / - <...> - / - 2 Partial capture
06-08 17:05 10m - / -18 A41ZZ -12 / - 2 Partial capture
06-06 17:57 80m - / - OE8PPL -2 / - 2 ✓ Closing fragment
06-04 09:31 10m - / - IZ4JMA +8 / - 2 Partial capture
06-03 18:22 80m - / -20 IV3FSG -1 / - 2 ✓ Closing fragment
06-03 18:08 80m - / -18 OM1II -6 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
195600 -16 1194  SV2HTW DO9USB JO31
200215 -13 1359  DO9USB PE1NAO -04 (x2)
200545 -14  923  SP3GTP DO9USB JO31
200600  +2  923  DO9USB SP3GTP -16
200615 -16  923  SP3GTP DO9USB R-05
200630  +5  923  DO9USB SP3GTP RR73
200645 -14  923  SP3GTP DO9USB 73
200915 -19 2131  RX4SA DO9USB JO31
173815 -10 1598  DO9USB DO7RMA -04
175100 -13  699  DO9USB DK5OPA 73
061145 -14 2005  DO9USB DA6BOC -21
175900  +8 1909  DO9USB DO7RMA -08 (x2)
175945 -24 1909  DO7RMA DO9USB 73
10m
UTC    dB Audio  Message
145945 -15 1595  VE1JBC DO9USB JO31
171645 -11 1150  PP2RR DO9USB JO31
172445 -11  791  IT9ACJ DO9USB JO31
172845 -13 1631  EA5UI DO9USB JO31
141200 -11 1249  PD00DOG DO9USB JO31 (x2)
141345 -15 1312  OH1NHX DO9USB JO31 (x4)
141715 -13 1312  I1FLC DO9USB R-06 (x2)
141800 -13 2026  DO9USB IK4JPP -02 (x2)
185300 -19 1737  CX5ABM DO9USB JO31

Decoder S/N history by band

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