UR5SDB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KN28

Receiver-side FT8 activity involving UR5SDB, decoded by SO8OO in southeastern Poland. 119 related FT8 messages, 6 CQ messages, observed on 40m, 20m, 10m, across 12 UTC dates. Heard between 2026-05-21 and 2026-08-16.

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

119
Related messages
6
CQ messages
12
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-05-21
Last seen: 2026-08-16 11:09 UTC

Activity Heatmap

Locator transmitted by UR5SDB

Approximate centre of KN28, decoded 2026-08-11 18:51 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 UTCBandUR5SDB S/NCounterpartCounterpart S/NMsgsCapture
08-16 11:55 10m - / -4 F4FSY -10 / - 2 Partial capture
08-12 18:30 10m - / -6 DO9BAU -3 / - 20 ✓ Closing fragment
08-11 18:48 40m -10 / - JA4FKX - / - 2 Partial capture
08-11 18:45 40m -11 / -15 S56LKP -18 / -6 5 ✓ Full exchange observed
08-11 18:41 40m -7 / -19 GB64MOD -16 / -8 5 Partial capture
08-11 17:21 10m - / -7 DO5WG -17 / - 2 ✓ Closing fragment
08-11 17:02 10m - / - DM1TRO -9 / - 5 Partial capture
08-10 21:14 10m - / -7 UR5QW -7 / - 2 ✓ Closing fragment
08-09 23:13 40m - / - PD0IFI 0 / - 4 ✓ Closing fragment
08-06 17:27 20m - / +3 F1PPH -3 / - 3 ✓ Closing fragment
08-06 17:16 20m - / -11 TA2ED -18 / - 2 ✓ Closing fragment
08-06 16:48 20m - / - PD2WL -13 / - 6 Partial capture
08-06 16:45 20m - / -6 DF3WI -3 / - 4 ✓ Closing fragment
08-06 16:45 20m - / - PA7ZZ -6 / - 2 Partial capture
08-06 13:34 20m - / -3 F1PBZ -8 / - 2 Partial capture
06-21 16:35 20m - / - 2E1HAT -1 / - 3 Partial capture
06-21 16:32 20m - / -8 <...> -12 / - 2 Partial capture
06-21 16:27 20m - / -20 LZ2VQ -2 / - 2 ✓ Closing fragment
06-09 02:22 40m - / -9 F1PBZ +8 / - 2 ✓ Closing fragment
06-09 02:13 40m - / -7 KB3Z -8 / - 2 ✓ Closing fragment
06-09 02:10 40m - / +5 DJ0MAB +2 / - 2 ✓ Closing fragment
06-09 02:10 40m - / - DL9KM -11 / - 3 Partial capture
06-09 01:47 20m - / -3 W2CG -7 / - 2 ✓ Closing fragment
06-09 01:28 20m - / - IQ4JO +17 / - 2 Partial capture
05-31 16:50 40m -7 / - C32JK -14 / - 2 ✓ Closing observed
05-31 16:48 40m -5 / -12 SP1MGM +10 / - 4 ✓ Closing observed
05-31 16:46 40m +2 / - OE5IGP +12 / -3 5 ✓ Full exchange observed
05-31 16:40 40m -6 / -10 DL7ACA -7 / -14 6 ✓ Full exchange observed
05-31 16:38 40m -12 / - S51CC - / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
183545  +2 2381  UR5SDB DO9BAU R-06 (x10)
115545 -10 1720  UR5SDB F4FSY -04 (x2)
120115  -8 1195  UR5SDB SM6ASB JO58
130545 -17 1069  UR5SDB PE1MHY -04 (x2)
40m
UTC    dB Audio  Message
184145  +0 1269  GB64MOD UR5SDB KN28 (x3)
184300 -16 1269  UR5SDB GB64MOD -19
184315 -11 1269  GB64MOD UR5SDB R-08
184445 -14 1269  CQ UR5SDB KN28
184530 +11  438  UR5SDB UR3CFC +08
184545 -17 2046  S56LKP UR5SDB KN28
184700 -19 2045  UR5SDB S56LKP -15
184715  -8 2045  S56LKP UR5SDB R-06
184730 -18 2045  UR5SDB S56LKP RR73
184745  -8 2045  S56LKP UR5SDB 73
184845 -12 1232  JA4FKX UR5SDB KN28 (x2)
185115  -9 1232  CQ UR5SDB KN28
20m
UTC    dB Audio  Message
164615  -3 2481  UR5SDB DF3WI JO30 (x3)
164815  -9 1325  UR5SDB PD2WL JO22 (x6)
165245 -15 1176  UR5SDB PD3LKN JO22
171630 -18 2002  UR5SDB TA2ED -11 (x2)
172715  +0  415  UR5SDB F1PPH JN25 (x3)

Decoder S/N history by band

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