PY4CZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Brazil Locator transmitted in a decoded message: GG78

Receiver-side FT8 activity involving PY4CZ, decoded by SO8OO in southeastern Poland. 55 related FT8 messages, 2 CQ messages, observed on 20m, 10m, across 8 UTC dates. Heard between 2026-05-23 and 2026-08-14.

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

55
Related messages
2
CQ messages
8
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-23
Last seen: 2026-08-14 18:05 UTC

Frequent QSO partners observed at SO8OO

Stations PY4CZ worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by PY4CZ

Approximate centre of GG78, decoded 2026-05-26 19:53 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 UTCBandPY4CZ S/NCounterpartCounterpart S/NMsgsCapture
08-14 20:01 20m - / - DH5BM -13 / - 9 Partial capture
08-14 20:01 20m - / - PG2V -18 / - 2 Partial capture
07-03 20:38 20m - / - EA3EQS -6 / - 2 Partial capture
07-03 20:24 20m - / - F4NGR -18 / - 6 Partial capture
07-03 19:51 20m - / -19 RU3VT -10 / - 2 Partial capture
07-03 19:50 20m - / -16 TM2WWA -10 / - 3 Partial capture
06-02 13:02 10m - / +1 SV9TRN -8 / - 3 Partial capture
05-26 20:15 20m -10 / - R0SDM - / - 4 Partial capture
05-26 20:13 20m -6 / - SA5IYA - / -11 3 ✓ Closing fragment
05-26 20:08 20m -10 / -19 R9FE +14 / - 6 ✓ Closing observed
05-26 19:53 10m -6 / - R4DI - / -1 2 ✓ Closing fragment
05-26 19:45 10m -6 / - UA1RC - / -15 4 ✓ Closing fragment
05-26 19:41 10m -10 / - GW7JWR - / - 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
202730 -20 1699  PY4CZ F4NGR JN33
203845  -6  730  PY4CZ EA3EQS JN01 (x2)
205930 -14 2080  PY4CZ EN35UKR -17
200100 -18 2159  PY4CZ PG2V JO21
200100  -7 2038  PY4CZ DH5BM JO41
200130 -18 2159  PY4CZ PG2V JO21
200130  -4 2038  PY4CZ DH5BM JO41 (x8)
10m
UTC    dB Audio  Message
194345 -10  615  GW7JWR PY4CZ GG78 (x2)
194545 -10  616  UA1RC PY4CZ R-15 (x4)
195315 -11  615  CQ PY4CZ GG78                         a1
195345  -6  615  R4DI PY4CZ R-01 (x2)
130245 -11  616  PY4CZ SV9TRN +01 (x3)
160900  -7  456  PY4CZ 5H1KB -08 (x2)
161730  +0  456  PY4CZ RR73; DO3ME <...> -10

Decoder S/N history by band

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