UA1ACO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO49

Receiver-side FT8 activity involving UA1ACO, decoded by SO8OO in southeastern Poland. 419 related FT8 messages, 41 CQ messages, observed on 80m, 40m, 20m, 10m, across 17 UTC dates. Heard between 2026-05-13 and 2026-08-08.

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

419
Related messages
41
CQ messages
17
UTC dates heard
-5 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-13
Last seen: 2026-08-08 22:27 UTC

Frequent QSO partners observed at SO8OO

Stations UA1ACO worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by UA1ACO

Approximate centre of KO49, decoded 2026-08-09 00:27 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 UTCBandUA1ACO S/NCounterpartCounterpart S/NMsgsCapture
08-09 00:23 80m -19 / - DO5PY -10 / -11 5 ✓ Closing observed
08-09 00:23 80m -16 / -6 R5AV -4 / - 4 ✓ Full exchange observed
08-09 00:21 80m -7 / -11 RC6OD 0 / +9 5 ✓ Full exchange observed
08-09 00:19 80m - / -8 RA3WY -2 / - 4 ✓ Closing fragment
08-09 00:15 80m -11 / -11 8S7DL +1 / +8 8 ✓ Full exchange observed
08-09 00:15 80m -12 / -8 DO9JTR -19 / -18 10 ✓ Full exchange observed
08-09 00:10 80m -12 / +3 OH0ERF -16 / +5 10 ✓ Full exchange observed
08-09 00:08 80m -17 / -5 RK3DWA/3 -10 / - 2 Partial capture
07-06 01:45 80m -20 / -13 DG1KPC +13 / - 3 ✓ Closing observed
07-06 01:36 40m - / -9 UA3AFR -5 / - 5 ✓ Closing fragment
07-06 01:10 40m -18 / - <...> - / -5 2 Partial capture
07-06 00:05 40m - / -11 UA3VVA -20 / - 2 Partial capture
07-05 23:40 40m - / -5 OH5WWA 0 / - 2 ✓ Closing fragment
07-05 23:08 40m - / -15 MW0USK -1 / - 2 ✓ Closing fragment
07-05 22:48 40m - / -9 PD2TX -2 / - 2 ✓ Closing fragment
07-05 22:15 40m - / - DK5NC -18 / - 3 ✓ Closing fragment
07-05 22:02 40m - / - DK4CH -17 / - 3 Partial capture
07-05 21:56 40m - / -10 G4DBW -12 / - 3 ✓ Closing fragment
07-05 21:41 80m -11 / -21 RA7Z -9 / - 5 ✓ Closing observed
07-05 21:38 80m - / -17 9A1BTU +10 / - 2 ✓ Closing fragment
07-05 21:36 80m -9 / - SN1B - / - 2 Partial capture
07-05 21:30 80m -9 / - G7DPE -10 / +6 5 ✓ Closing observed
06-30 11:35 10m - / -18 PD0HLA +6 / - 2 ✓ Closing fragment
06-30 11:32 10m - / - PE1JAT -14 / - 2 Partial capture
06-30 11:27 10m - / -5 ON8WI +7 / - 4 ✓ Closing fragment
06-29 20:19 40m - / -9 RA3GZ -10 / - 2 ✓ Closing fragment
06-29 20:10 40m - / -15 OL900CO -12 / - 2 Partial capture
06-29 20:01 40m - / - OZ1KZX -4 / - 2 ✓ Closing fragment
06-28 11:57 20m - / -19 M7CLO -5 / - 2 ✓ Closing fragment
06-27 23:18 40m - / -15 E75AA -7 / - 2 ✓ Closing fragment
06-27 21:26 10m - / -8 DL3MIB -8 / - 2 ✓ Closing fragment
06-27 13:34 10m - / -11 RK4FD +2 / - 5 ✓ Closing fragment
06-27 13:32 10m - / 0 DK7UY -14 / - 3 ✓ Closing fragment
06-27 13:08 10m - / - DK7UY -9 / - 2 Partial capture
06-27 13:08 10m - / -6 OZ3MC -14 / - 2 ✓ Closing fragment
06-26 23:00 80m -15 / -14 IQ4LH +4 / 0 8 ✓ Full exchange observed
06-26 22:56 80m -7 / -9 G4ZFJ +9 / +7 8 ✓ Full exchange observed
06-26 22:49 80m -12 / -18 RL7Z -5 / - 4 ✓ Closing observed
06-26 22:46 80m - / -12 R6ZEJ +9 / - 5 ✓ Closing fragment
06-26 22:45 80m -13 / - OH3NDH +5 / - 4 ✓ Closing observed
06-26 22:43 80m -9 / -15 DO3HUM -4 / -8 6 ✓ Full exchange observed
06-26 22:39 80m -3 / -13 ON3BLC 0 / -8 7 ✓ Full exchange observed
06-26 22:37 80m -10 / - G7RHF - / +1 2 Partial capture
06-26 22:35 80m -9 / -14 DL0AA +9 / +4 5 ✓ Full exchange observed
06-26 22:34 80m -14 / -16 M1WLK -23 / - 4 ✓ Closing observed
06-26 22:28 80m -8 / - LB9ZG - / +6 2 Partial capture
06-26 22:25 80m -10 / - G7RHF - / +1 2 Partial capture
06-26 22:20 80m -6 / -19 F5MYK -9 / - 4 ✓ Closing observed
06-26 22:19 80m -10 / -14 IK6BSN +3 / +1 5 ✓ Full exchange observed
06-26 22:13 40m - / -10 RA3WY -6 / - 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
002230  -1  870  UA1ACO RC6OD 73
002245  -4  870  RC6OD UA1ACO 73
002315 -16 1694  CQ UA1ACO KO49
002330 -10 2348  UA1ACO DO5PY JN49
002330  -3 1695  UA1ACO R5AV -06
002345 -18 1693  R5AV UA1ACO R+19
002400 -10 2347  UA1ACO DO5PY JN49
002400  -5 1695  UA1ACO R5AV RR73
002415 -14 1693  R5AV UA1ACO 73
002445 -16 1693  DO5PY UA1ACO -11 (x3)
002615 -18 1693  CQ UA1ACO KO49 (x3)
40m 
UTC    dB Audio  Message
000030 -16 2503  UA1ACO G0TIX R-20
000530 -18 1403  UA1ACO UA3VVA LO06 (x2)
001030 -12 1367  UA1ACO EA7LIC 73
011045 -17 2415  <...> UA1ACO -05 (x2)
011745 -17 2395  CQ UA1ACO KO49 (x3)
011945 -15 2446  <...> UA1ACO -06
013600  -6 2534  UA1ACO UA3AFR KO85 (x5)
10m 
UTC    dB Audio  Message
133545  +0  911  UA1ACO RK4FD LO22 (x3)
212645  -6 1393  UA1ACO DL3MIB R-08 (x2)
112745  +9 1610  UA1ACO ON8WI JO20 (x4)
113215 -13 1828  UA1ACO PE1JAT JO22 (x2)
113545 +12 2633  UA1ACO PD0HLA -18 (x2)
114045  -6 2818  UA1ACO RZ6LY RR73
114245 -13 1994  UA1ACO DM1YS -06
20m 
UTC    dB Audio  Message
140030 -19 1269  UA1ACO F5IXN JN23 (x2)
140130 -21 2064  UA1ACO SP1EG JO73
140130 -15 1270  UA1ACO F5IXN 73
140200 -15 2064  UA1ACO SP1EG R-02 (x2)
140430  -9 2648  UA1ACO DL1R JN58
193330 -14  801  UA1ACO IQ9BF RR73
193745 -16 1081  UA1ACO CR7BUJ -15 (x2)
142900 -22 1388  UA1ACO EA4D 73
115700  -9 2461  UA1ACO M7CLO R-19 (x2)
135715 -15 1851  UA1ACO RA4CPA R-08
135745 -12  776  UA1ACO IQ4LH R-13

Decoder S/N history by band

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