G4ZAM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: England Locator transmitted in a decoded message: IO91

Receiver-side FT8 activity involving G4ZAM, decoded by SO8OO in southeastern Poland. 231 related FT8 messages, 3 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 46 UTC dates. Heard between 2026-05-24 and 2026-08-22.

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

231
Related messages
3
CQ messages
46
UTC dates heard
-4 dB
Mean decoder S/N

Bands

First seen: 2026-05-24
Last seen: 2026-08-22 18:39 UTC

Activity Heatmap

Locator transmitted by G4ZAM

Approximate centre of IO91, decoded 2026-08-24 06:05 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 UTCBandG4ZAM S/NCounterpartCounterpart S/NMsgsCapture
08-22 20:37 160m - / -20 9A2RD +4 / - 2 ✓ Closing fragment
08-22 20:29 160m - / -14 DP6K +10 / - 3 ✓ Closing fragment
08-22 20:28 160m - / -20 SM5EPO -6 / - 2 ✓ Closing fragment
08-20 05:38 20m - / -20 8Z1IT -14 / - 3 ✓ Closing fragment
08-18 22:23 160m - / -16 IU5TUD -12 / - 4 ✓ Closing fragment
08-18 22:11 160m -19 / -10 DL1HB -4 / - 3 ✓ Closing observed
08-18 21:43 160m - / -20 LB7ZG -14 / - 3 ✓ Closing fragment
08-18 21:42 160m - / -10 DL1NEO +14 / - 2 ✓ Closing fragment
08-18 21:29 160m - / -8 C31CT -12 / - 2 ✓ Closing fragment
08-18 20:46 160m - / -18 SP7CMW +6 / - 2 ✓ Closing fragment
08-17 20:42 160m - / -15 SP1MGM -2 / - 5 ✓ Closing fragment
08-17 20:41 160m - / -17 F4GGJ -20 / - 2 ✓ Closing fragment
08-17 20:28 160m - / -15 SP6AXW +8 / - 3 ✓ Closing fragment
08-16 20:48 80m -22 / -19 9A4BP/P -12 / -11 5 ✓ Full exchange observed
08-16 20:45 80m -24 / - 4X1VE - / - 2 Partial capture
08-16 01:22 40m -2 / - VE5RR - / - 2 Partial capture
08-16 01:02 40m -12 / - KF4AAF - / -11 4 Partial capture
08-16 00:58 40m -21 / - 9A4BP/P - / - 3 ✓ Closing fragment
08-15 23:54 80m -4 / - HK3X - / - 2 Partial capture
08-15 23:42 80m -16 / - HK3X - / - 2 Partial capture
08-15 23:37 80m -4 / - ZP5DBC - / - 5 Partial capture
08-15 22:53 80m -8 / - ZP5DBC - / - 2 Partial capture
08-13 03:54 80m -4 / - KF8EXX - / - 4 Partial capture
08-13 03:49 80m -4 / - KF8EXX - / - 2 Partial capture
08-13 03:43 80m -6 / - KF8EXX - / - 2 Partial capture
08-13 02:18 80m -4 / - KG5YJW - / - 2 Partial capture
08-13 02:11 80m -8 / - W2ECK - / - 5 Partial capture
08-12 05:32 80m - / -18 HB10GBT -21 / - 3 Partial capture
08-11 23:06 80m -11 / - PY4RP - / - 2 Partial capture
08-11 23:02 80m -5 / - EA4DM -16 / -9 3 ✓ Closing observed
08-11 23:00 80m -6 / - PY4RP - / - 3 Partial capture
08-10 22:00 80m -20 / - EA1AA - / -6 2 ✓ Closing fragment
08-10 21:52 80m -10 / -2 DA6IT -2 / +2 5 ✓ Full exchange observed
08-10 03:45 80m +1 / - KY4WI - / - 3 Partial capture
08-10 03:16 80m -16 / - AG5PC - / - 2 Partial capture
08-10 03:13 80m -3 / - OA4CLU - / - 3 Partial capture
08-09 22:28 80m -17 / - UK8FCM - / - 4 Partial capture
08-09 22:22 80m -7 / -3 T77RN -4 / -14 5 ✓ Full exchange observed
08-09 01:10 80m +2 / 0 SP6JIU +23 / -1 5 ✓ Full exchange observed
08-09 01:08 80m -16 / -9 OE8DDX +16 / -3 5 ✓ Full exchange observed
08-08 23:49 80m -4 / +4 OH0ERF -13 / -5 3 Partial capture
08-08 21:54 160m - / -11 DH3KR -14 / - 2 ✓ Closing fragment
08-07 21:56 80m -22 / - M8JJS - / -9 2 ✓ Closing fragment
08-07 21:54 80m -5 / -8 IT9PQJ -2 / -5 2 Partial capture
08-07 21:53 80m -13 / -5 DO2BBC +2 / -4 4 ✓ Full exchange observed
08-07 21:44 80m -14 / -7 DM8ET -6 / -5 6 ✓ Full exchange observed
08-07 21:40 80m -16 / -16 <...> -2 / -13 2 Partial capture
08-07 13:12 20m -2 / - OX3LX - / - 2 Partial capture
08-05 20:24 80m - / - SM3IZB -6 / - 2 Partial capture
08-05 19:51 20m -8 / - BG4UCZ - / -13 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
005715 -15 2438  D2UY G4ZAM IO91
005845 -20 1142  9A4BP/P G4ZAM IO91 (x2)
005945 -14 2437  D2UY G4ZAM IO91
010115 -22 1141  9A4BP/P G4ZAM 73
010200 -12 2121  KF4AAF G4ZAM IO91 (x4)
010945 -17  285  KB9ELS G4ZAM IO91
011100  -6 2864  VE5RR G4ZAM IO91 (x4)
060545 -22 2017  N5COP G4ZAM IO91
160m
UTC    dB Audio  Message
221100  -4 1186  G4ZAM DL1HB -10 (x2)
221145 -19 1187  DL1HB G4ZAM 73
222300 -13 1808  G4ZAM IU5TUD -16 (x4)
202800  -8 2297  G4ZAM SM5EPO -20 (x2)
202900  +9  786  G4ZAM DP6K JO50 (x3)
203730 +10  996  G4ZAM 9A2RD -20 (x2)
203930  +9 2077  G4ZAM <...> -17
20m
UTC    dB Audio  Message
153615  -1  358  BG7WJH G4ZAM IO91
140600 -17 2308  GM6ZC/P G4ZAM IO91 (x2)
065230 -11  576  KJ5PTH G4ZAM IO91
063445 -10 2467  G4ZAM EA/SQ1DOZ R+00
195100  -8 2204  BG4UCZ G4ZAM R-13 (x2)
195430 -11 2204  RA1QX G4ZAM -12
130730  -3 2732  OX3LX G4ZAM IO91 (x3)
053800 -15 2434  G4ZAM 8Z1IT -20 (x3)
062630 -17  839  AH6HY G4ZAM IO91
80m
UTC    dB Audio  Message
233945  -1  356  ZP5DBC G4ZAM IO91
234230 -18 1381  HK3X G4ZAM IO91 (x6)
201445 -22 1142  G4ZAM JE6WOQ -23
204500 -24 1597  4X1VE G4ZAM IO91 (x2)
204800 -24 1896  9A4BP/P G4ZAM IO91
204815 -15 1896  G4ZAM 9A4BP/P -19
204830 -20 1896  9A4BP/P G4ZAM R-11
204845  -8 1896  G4ZAM 9A4BP/P RR73
204900 -22 1896  9A4BP/P G4ZAM 73
10m
UTC    dB Audio  Message
080315  +5 1071  G4ZAM SM0VKU -09 (x4)
215915  -3 2948  G4ZAM DO1FDK JO41 (x2)

Decoder S/N history by band

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