TF4CU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Iceland Locator transmitted in a decoded message: HP93

Receiver-side FT8 activity involving TF4CU, decoded by SO8OO in southeastern Poland. 1,297 related FT8 messages, 29 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 57 UTC dates. Heard between 2026-05-26 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

1,297
Related messages
29
CQ messages
57
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-23 18:04 UTC

Activity Heatmap

Locator transmitted by TF4CU

Approximate centre of HP93, decoded 2026-08-23 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 UTCBandTF4CU S/NCounterpartCounterpart S/NMsgsCapture
08-23 20:03 20m - / -17 II7MGBR -18 / - 2 Partial capture
08-23 20:02 20m - / -20 EA7JYN -4 / - 3 Partial capture
08-23 19:57 20m - / - R1ZBR +2 / - 2 Partial capture
08-15 22:32 60m - / -6 G4MQL -3 / - 3 ✓ Closing fragment
08-15 22:31 60m - / -4 GI7LOU -8 / - 2 ✓ Closing fragment
08-15 22:29 60m - / +3 DG4BZ +2 / - 3 ✓ Closing fragment
08-15 22:27 60m -23 / 0 DL2YMG -7 / - 4 ✓ Closing observed
08-15 22:24 60m - / -14 DK7ZT -14 / - 5 ✓ Closing fragment
08-15 22:24 60m - / -19 PC2F -12 / - 3 ✓ Closing fragment
08-15 22:24 60m - / - PE1NPS -1 / - 4 Partial capture
08-15 22:20 60m - / - EW8CW +2 / - 2 Partial capture
08-15 22:14 60m - / -6 DK7ZT -16 / - 2 Partial capture
08-15 22:13 60m - / -5 SP2YY +11 / - 3 ✓ Closing fragment
08-15 22:09 60m - / -6 SE7LH -9 / - 3 ✓ Closing fragment
08-15 22:08 60m - / -1 LA2GCA -9 / - 2 ✓ Closing fragment
08-13 21:32 60m - / - IU5HIU -16 / - 2 Partial capture
08-13 21:23 60m - / -9 SP9UPH +7 / - 5 Partial capture
08-13 21:23 60m - / -16 YO6LM +7 / - 2 Partial capture
08-13 21:19 60m - / -16 PA1MVL 0 / - 4 ✓ Closing fragment
08-13 21:14 60m - / -1 ON7GB +10 / - 3 ✓ Closing fragment
08-13 21:13 60m - / -14 YO6LM +10 / - 2 Partial capture
08-13 21:12 60m - / -7 M0NXD -7 / - 2 ✓ Closing fragment
08-13 21:06 60m - / - ON7GB +3 / - 4 Partial capture
08-13 21:05 60m - / - YL2SW 0 / - 3 Partial capture
08-13 21:05 60m - / -18 LX1LW -4 / - 2 ✓ Closing fragment
08-13 21:03 60m - / -13 G3UHU -6 / - 3 ✓ Closing fragment
08-13 21:02 60m - / -2 SP9TBT -5 / - 3 ✓ Closing fragment
08-12 19:03 60m - / - ON7GB +1 / - 3 Partial capture
08-11 21:39 60m - / - LY2HM -8 / - 6 Partial capture
08-11 21:39 60m - / - DL1NEO -8 / - 6 Partial capture
08-11 21:34 60m - / -10 SV2HTI +3 / - 5 ✓ Closing fragment
08-11 21:33 60m - / - LY2HM -11 / - 7 Partial capture
08-11 21:32 60m - / -17 DD6ZV +8 / - 5 ✓ Closing fragment
08-11 21:32 60m - / -7 DL7ARV +3 / - 5 ✓ Closing fragment
08-11 21:30 60m - / - SP5JMA +4 / - 3 Partial capture
08-11 21:30 60m - / -5 PA3DOL -7 / - 23 Partial capture
08-11 21:29 60m - / -3 GM4GZW -5 / - 2 ✓ Closing fragment
08-11 21:27 60m - / -4 PI4DX +7 / - 2 ✓ Closing fragment
08-11 21:24 60m - / -11 SM4GOJ -5 / - 3 ✓ Closing fragment
08-11 21:23 60m - / -6 DB6LL +4 / - 14 ✓ Closing fragment
08-11 21:23 60m - / - SP5JMA +8 / - 6 Partial capture
08-11 21:21 60m - / -4 LA9GX +5 / - 5 ✓ Closing fragment
08-11 21:20 60m - / -10 DL5DQZ +6 / - 9 ✓ Closing fragment
08-11 21:18 60m - / -9 PA3DOL -4 / - 20 Partial capture
08-11 21:18 60m - / -4 EA1U -14 / - 5 ✓ Closing fragment
08-11 21:18 60m - / -13 YO6LM 0 / - 4 Partial capture
08-11 21:17 60m - / -7 GB8VJ -12 / - 2 ✓ Closing fragment
08-11 21:17 60m - / -11 LY8O +1 / - 5 ✓ Closing fragment
08-04 21:26 20m - / -19 K1HC -16 / - 2 ✓ Closing fragment
08-03 20:08 20m - / -10 TN8GD -8 / - 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
205900  -5 2669  TF4CU S59ST JN76
212630 -16 1447  TF4CU K1HC -19 (x2)
174330 -17 1607  TF4CU PD0RDD JO22
191815  -6  821  TF4CU <...> -13
181745 -10  419  CQ TF4CU HP93
182015  -7  419  G7TVI TF4CU -22
195730  +2  717  TF4CU R1ZBR KP69 (x2)
200230  -5 1692  TF4CU EA7JYN R-20 (x2)
200330 -19 1290  TF4CU II7MGBR -17
200330 -17 1152  TF4CU M1EAS IO83
200330  -2 1691  TF4CU EA7JYN R-20
200400 -17 1290  TF4CU II7MGBR -17
60m
UTC    dB Audio  Message
222600 -15 1900  TF4CU DK7ZT RR73 (x3)
222730  -8 1516  TF4CU DL2YMG JO31 (x2)
222815 -23 1516  DL2YMG TF4CU RR73
222830  -7 1515  TF4CU DL2YMG 73
222900  +1  540  TF4CU DG4BZ JO42 (x3)
223130  -7  340  TF4CU GI7LOU R-04 (x2)
223230  -2  485  TF4CU G4MQL IO81 (x3)
80m
UTC    dB Audio  Message
223700 -15 1208  TF4CU TF4M RR73
10m
UTC    dB Audio  Message
201030  -7 1439  TF4CU 9A3MA -12 (x4)
201100 -15 1771  TF4CU HI7WWA -08
162300  -9  671  TF4CU LX1JH JN39 (x4)
164115 -11  629  TF4CU DN9RL JO61
164415 -17 1467  TF4CU R6OP KN88
185700  -9 1104  TF4CU ON7VZ -10
185630 -11 1171  TF4CU PA3GMD JO21 (x3)
40m
UTC    dB Audio  Message
182045 -16 1769  TF4CU SQ9FSH JO90

Decoder S/N history by band

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