TF3CZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Iceland

Receiver-side FT8 activity involving TF3CZ, decoded by SO8OO in southeastern Poland. 154 related FT8 messages, 15 CQ messages, observed on 40m, 20m, across 1 UTC dates. Last heard 2026-05-31.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

154
Related messages
15
CQ messages
1
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-05-31
Last seen: 2026-05-31 19:54 UTC

Activity Heatmap

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 UTCBandTF3CZ S/NCounterpartCounterpart S/NMsgsCapture
05-31 21:42 20m - / -17 EB5FMC +6 / - 4 ✓ Closing fragment
05-31 21:20 40m -7 / - KC3SGI - / -10 3 Partial capture
05-31 21:20 20m - / - EA1BCK -14 / - 4 Partial capture
05-31 21:20 20m - / - G3ROY -7 / - 2 Partial capture
05-31 21:08 20m - / -14 K3SF -20 / - 4 ✓ Closing fragment
05-31 20:57 20m - / - CT1APN 0 / - 3 Partial capture
05-31 20:55 20m - / - G3ROY -10 / - 3 Partial capture
05-31 20:30 40m - / - PE1PEO 0 / - 6 Partial capture
05-31 20:30 40m - / - LB1R +2 / - 8 Partial capture
05-31 20:26 40m - / -16 OH5HUR +7 / - 5 ✓ Closing fragment
05-31 20:21 40m - / - PE1NPS +6 / - 4 Partial capture
05-31 20:20 40m - / -13 RM5F -2 / - 3 ✓ Closing fragment
05-31 20:11 20m - / -19 MM0JTV 0 / - 2 Partial capture
05-31 19:59 20m - / -22 G8RZ +14 / - 4 ✓ Closing fragment
05-31 19:58 20m - / - OE9DBI -13 / - 2 Partial capture
05-31 19:50 20m - / - F1HFP -20 / - 8 Partial capture
05-31 13:22 20m -10 / -7 R1BPB -9 / -2 4 ✓ Full exchange observed
05-31 13:06 20m -18 / - SM7RDT - / -18 2 ✓ Closing fragment
05-31 13:04 20m - / - OZ1CJT -8 / - 2 Partial capture
05-31 12:59 20m - / -10 DK7ZT -19 / - 2 Partial capture
05-31 12:53 20m - / - JA3PCQ -6 / - 3 Partial capture
05-31 12:51 20m - / - OZ1CJT -13 / - 3 Partial capture
05-31 12:49 20m - / -30 IZ4HVR -8 / - 2 Partial capture
05-31 12:34 20m - / +2 DK7ZT -8 / - 2 Partial capture
05-31 12:31 20m - / -6 DK7ZT -12 / - 2 Partial capture
05-31 12:27 20m - / -13 RV3F +6 / - 3 ✓ Closing fragment
05-31 12:19 20m - / - OE9GWV -12 / - 2 Partial capture
05-31 12:12 20m -8 / - WR4K - / -18 8 Partial capture
05-31 12:11 20m -10 / - VE3NKS - / -17 2 ✓ Closing fragment
05-31 12:08 20m -14 / -20 RA9CEO -10 / -15 3 Partial capture
05-31 12:07 20m - / - OE9GWV -12 / - 2 Partial capture
05-31 12:07 20m - / -23 EA7BD -13 / - 10 ✓ Closing fragment
05-31 12:07 20m - / - UT2UBD +5 / - 2 Partial capture
05-31 11:36 20m - / -24 OH8DGV -6 / - 6 ✓ Closing fragment
05-31 11:27 20m - / 0 DK7ZT -12 / - 2 Partial capture
05-31 11:24 20m - / -17 UA3IVF -10 / - 2 ✓ Closing fragment
05-31 10:37 20m - / - DB1EF -10 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
210900 -23 1320  TF3CZ K3SF FM29 (x3)
212000 -15 1917  TF3CZ EA1BCK IN73
212000  -5 2021  TF3CZ G3ROY IO70 (x2)
212030 -13 1917  TF3CZ EA1BCK IN73 (x3)
213330  -3 1595  TF3CZ SV5BYP -05
214230  +5 1397  TF3CZ EB5FMC IM99 (x4)
215430 -16 1497  TF3CZ EB7GNN IM66
40m
UTC    dB Audio  Message
203030  +1 2267  TF3CZ LB1R JO49 (x2)
203100  +2 1858  TF3CZ PE1PEO JO22
203130  +2 2267  TF3CZ LB1R JO49
203130  +5 1858  TF3CZ PE1PEO JO22
203200  +2 2267  TF3CZ LB1R JO49
203200  -1 1858  TF3CZ PE1PEO JO22 (x2)
203230  +1 2267  TF3CZ LB1R JO49
203300  -3 1859  TF3CZ PE1PEO JO22
203300  +2 2267  TF3CZ LB1R JO49 (x2)
212045  -7  625  KC3SGI TF3CZ -10 (x3)