EA1JZC — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving EA1JZC, decoded by SO8OO in southeastern Poland. 10 FT8 messages attributed to this token as transmitter, on 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-06-17 and 2026-08-29.
These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.
SO8OO decoded 10 FT8 messages attributed to EA1JZC as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). In this small sample, the estimated median decoder S/N was -15 dB; no usual signal pattern is inferred.
Overview
Observed FT8 message patterns
- Attributed sample
- 10 messages
- Active dates
- 4 UTC dates
- Estimated median S/N
- -15 dB
- S/N percentile sample
- Too small
- Recurring-pattern threshold
- Not met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 4, moderate (-15 to -9 dB) 5, strong (≥ -8 dB) 1.
WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with EA1JZC in decoded directed-looking exchanges:
Most frequent locator attributed to EA1JZC
The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.
- Attributed locator
- JN11 · 5 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,727 km (approx.)
- Last such locator decoded
- 2026-08-29 15:45 UTC
Other locator fields attributed to this token: IN72 (3).
A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.
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 UTC | Band | EA1JZC S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-27 09:16 | 40m | - / -12 | F1IQH | -22 / - | 2 | ✓ Closing fragment |
| 10-27 09:10 | 40m | - / -15 | E74K | -5 / - | 5 | ✓ Closing fragment |
| 10-14 21:18 | 60m | - / -18 | EB3JT | -6 / - | 3 | ✓ Closing fragment |
| 10-14 21:15 | 60m | - / -19 | EA5GO | -13 / - | 2 | ✓ Closing fragment |
| 10-14 21:15 | 60m | - / - | DK2GB | -8 / - | 4 | Partial capture |
| 10-14 21:09 | 60m | - / -21 | DL6KA | +2 / - | 7 | ✓ Closing fragment |
| 10-14 21:08 | 60m | - / -13 | G4ZFJ | +7 / - | 7 | ✓ Closing fragment |
| 10-14 21:08 | 60m | - / -10 | ON7GB | +1 / - | 3 | ✓ Closing fragment |
| 10-10 21:29 | 80m | - / -12 | F4IVG | -10 / - | 2 | ✓ Closing fragment |
| 10-10 21:23 | 80m | - / -20 | DD7EE | +5 / - | 5 | Partial capture |
| 08-29 15:44 | 20m | -20 / - | DS2NSC | - / - | 2 | Partial capture |
| 08-26 16:04 | 20m | - / -9 | 3A2MW | -12 / - | 3 | ✓ Closing fragment |
| 08-26 15:45 | 10m | - / -15 | CT3MD | +2 / - | 2 | ✓ Closing fragment |
| 08-23 14:29 | 20m | - / - | DL1R | +9 / - | 7 | Partial capture |
| 08-23 13:47 | 20m | - / -11 | M3TZX | -8 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 161800 -13 1358 EA1JZC II8IHBC -05 091030 -5 2371 EA1JZC E74K -15 (x5) 091600 -22 1943 EA1JZC F1IQH R-12 (x2)
UTC dB Audio Message 211115 +11 756 EA1JZC G4ZFJ R-13 211115 +5 633 EA1JZC DL6KA -21 211145 +9 756 EA1JZC G4ZFJ 73 211145 +6 633 EA1JZC DL6KA -21 (x3) 211515 -6 579 EA1JZC DK2GB JO31 211545 -12 855 EA1JZC EA5GO R-19 211545 -11 578 EA1JZC DK2GB JO31 211615 -14 855 EA1JZC EA5GO 73 211615 -9 579 EA1JZC DK2GB JO31 (x2) 211815 -8 919 EA1JZC EB3JT JN01 (x3)
UTC dB Audio Message 212345 +0 2189 EA1JZC DD7EE -20 (x5) 212945 -10 2250 EA1JZC F4IVG -12 (x2)
UTC dB Audio Message 143200 +10 2657 EA1JZC DL1R JN58 (x2) 201015 -15 2493 HG0NPJ EA1JZC 73 201145 -15 1203 SP9KSK EA1JZC IN72 202130 -20 2275 EA1JZC BG7BMG RR73 202515 -9 681 UT5MD EA1JZC IN72 202715 +4 542 EA1JZC MW1CFA -13 160415 -10 1856 EA1JZC 3A2MW -09 (x3) 163530 -13 668 UZ5DM EA1JZC IN72 153630 -20 2020 SM0SWD EA1JZC R-16 154100 -23 1970 DS2NSC EA1JZC JN11 (x3)
UTC dB Audio Message 154545 +2 904 EA1JZC CT3MD -15 (x2)
Decoder S/N history by band
Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.
CW
No CW receptions recorded for this callsign in the last 30 days.
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