F4ESO — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: France Most frequent locator attributed to this token: JN39

Receiver-side FT8 activity involving F4ESO, decoded by SO8OO in southeastern Poland. 1,600 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 82 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-11-03.

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 1,600 FT8 messages attributed to F4ESO as the transmitting token by decoded message structure across 82 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (43%), followed by 40 m (30%) and 60 m (16%). Most decodes (84%) fell within the six-hour window 17:00-23:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (68%); the estimated median was -5 dB.

Overview

1,600
Messages attributed
82
UTC dates decoded
192
Active 15-min windows
-5 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-11-03 22:16 UTC

Observed FT8 message patterns

Attributed sample
1,600 messages
Active dates
82 UTC dates
Estimated median S/N
-5 dB
Estimated 10th-90th percentile
-15.3 to +2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 158, moderate (-15 to -9 dB) 348, strong (≥ -8 dB) 1,094.

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.

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to F4ESO

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
JN39 · 805 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,063 km (approx.)
Last such locator decoded
2026-11-03 22:16 UTC

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 UTCBandF4ESO S/NCounterpartCounterpart S/NMsgsCapture
11-03 22:15 60m -5 / - PI40EUDXF - / - 4 Partial capture
11-03 22:03 40m -22 / - ER3ZW - / - 2 Partial capture
11-03 07:28 80m - / +3 DL1SEW -16 / - 9 Partial capture
11-03 06:49 60m -8 / -5 SQ7LQT -5 / -12 5 ✓ Full exchange observed
11-03 06:48 60m -10 / - G4ATX -4 / - 5 ✓ Full exchange observed
11-03 06:44 60m -9 / - F4MJX - / -16 6 ✓ Closing fragment
11-03 06:42 60m -7 / - DL6EBC - / -18 3 ✓ Closing fragment
11-02 22:33 80m +3 / - F4EAH - / - 2 Partial capture
11-02 22:30 80m +7 / -3 OM2WW 0 / -7 5 ✓ Full exchange observed
11-02 22:27 80m +3 / +2 DO9MHG -6 / - 5 ✓ Closing observed
11-02 22:26 80m +6 / - OM2WQ - / - 2 Partial capture
11-02 22:25 80m - / -7 DG3YEV +10 / - 2 ✓ Closing fragment
11-02 22:21 80m +7 / - M8IFY - / -9 3 ✓ Closing fragment
11-01 21:01 60m -4 / - HA3PG - / -6 3 ✓ Closing fragment
11-01 20:58 60m -6 / - G3PMY -6 / -14 6 ✓ Closing observed
11-01 20:53 60m -6 / - DL50IPARC - / -8 2 Partial capture
11-01 20:50 60m -5 / - SP9ONC - / -12 3 ✓ Closing fragment
11-01 20:45 80m - / - DL5OAH 0 / - 2 ✓ Closing fragment
11-01 20:43 80m - / -12 SQ2JYJ -4 / - 3 ✓ Closing fragment
11-01 20:35 80m -3 / - F4LHL -1 / +6 4 ✓ Closing observed
11-01 00:00 80m 0 / - F4NPE -14 / -8 3 Partial capture
11-01 00:00 80m - / - SP5JMA -2 / - 2 Partial capture
10-31 23:59 80m +2 / - DL6MRM +2 / -3 4 ✓ Full exchange observed
10-31 23:53 80m -1 / - 5B4AMX -6 / -18 7 ✓ Closing observed
10-31 23:52 80m -3 / 0 F4IVG -5 / -1 5 ✓ Full exchange observed
10-31 23:48 80m +4 / - TC3ATA - / - 2 Partial capture
10-30 07:32 40m -11 / - WA4HR - / - 4 Partial capture
10-30 07:27 40m -6 / - IU6RUJ - / -2 2 Partial capture
10-30 07:24 40m -10 / - YU7AS - / - 2 Partial capture
10-30 07:18 40m -7 / - F1UNR - / - 2 ✓ Closing fragment
10-30 07:14 40m -8 / - IQ0AK - / -16 4 ✓ Closing fragment
10-30 07:11 40m -10 / - DF2JK - / 0 3 ✓ Closing fragment
10-30 07:09 40m -2 / -3 ON1DGN -18 / +5 5 ✓ Full exchange observed
10-30 07:06 40m -4 / -11 ON3ANY -4 / +10 7 ✓ Full exchange observed
10-30 07:05 40m -6 / +9 DK1HSI +1 / +7 3 ✓ Full exchange observed
10-29 22:36 80m +2 / - 9A5MP -22 / -25 9 ✓ Closing observed
10-29 22:34 80m - / -16 SP6SR -6 / - 2 ✓ Closing fragment
10-29 22:15 80m +2 / +4 G7RHF -20 / - 3 ✓ Closing observed
10-29 22:14 80m +4 / -5 G4FHL +2 / -7 4 ✓ Full exchange observed
10-29 22:12 80m -8 / - EO210WLP - / -9 2 Partial capture
10-29 22:08 80m - / -7 EO210WLP +8 / - 2 Partial capture
10-29 22:05 80m -5 / - SP5DFK/QRP - / -8 5 Partial capture
10-29 22:02 80m -5 / -3 F4LHL +1 / -6 7 Partial capture
10-29 22:00 80m -5 / - SP9NVY +3 / -1 4 ✓ Closing observed
10-29 21:58 80m -3 / -8 CT7BRV -3 / +5 5 ✓ Full exchange observed
10-29 21:56 80m -4 / - YO6BLU - / - 4 Partial capture
10-28 20:02 40m -5 / - LZ2KSQ - / -14 6 Partial capture
10-28 20:00 40m -2 / - EB5BSI - / - 4 Partial capture
10-28 19:58 40m -1 / - GI3PXT - / - 3 Partial capture
10-28 19:56 40m -3 / - TA1SW - / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

60m
UTC    dB Audio  Message
064730  -8 1451  F4MJX F4ESO R-16
064800 -11 1450  G4ATX F4ESO JN39
064815  -5  678  F4ESO G4ATX +19
064830 -13 1451  G4ATX F4ESO R+14
064845  -3  678  F4ESO G4ATX RR73
064900  -7 1451  G4ATX F4ESO 73
064945  -5 1771  F4ESO SQ7LQT -05 (x2)
065030  -9 1451  SQ7LQT F4ESO R-12
065045  -6 1770  F4ESO SQ7LQT RR73
065100  -6 1451  SQ7LQT F4ESO 73
221515  -6 1450  PI40EUDXF F4ESO JN39 (x4)
40m
UTC    dB Audio  Message
071800  -7 1456  F1UNR F4ESO R+11 (x2)
071930  -8 1456  YU7AS F4ESO JN39
072130  -7 1456  ON3BEN F4ESO JN39
072400  -8 1456  YU7AS F4ESO JN39 (x2)
072715  -6 1456  IU6RUJ F4ESO JN39 (x2)
073200 -13 1456  WA4HR F4ESO JN39 (x4)
233945  -9  927  F4ESO A60FD/5 -14
220330 -24 1456  ER3ZW F4ESO JN39 (x2)
80m
UTC    dB Audio  Message
223115 +11 1419  OM2WW F4ESO JN39
223130  -4 1322  F4ESO OM2WW -03
223145  +6 1419  OM2WW F4ESO R-07
223200  +3 1322  F4ESO OM2WW RR73
223345  +2 1419  F4EAH F4ESO JN39 (x2)
072830 -14 1147  F4ESO DL1SEW +03 (x9)
160m
UTC    dB Audio  Message
220115 -12 1417  LX1JX F4ESO R-13
220130  +7  658  F4ESO LX1JX RR73
220145 -17 1417  LX1JX F4ESO 73
220200  +1  658  F4ESO LX1JX 73
220230 -13 1417  DF2RG F4ESO JN39
220545  +2 1856  F4ESO DF2RG -15
220600 -18 1417  DF2RG F4ESO R-10
220615  -4 1856  F4ESO DF2RG RR73
220630 -17 1417  DF2RG F4ESO 73
210100 -13 1417  II5GG F4ESO JN39 (x2)
210415  +1  893  F4ESO II5GG -18 (x4)
20m
UTC    dB Audio  Message
084245 -12 1624  F4ESO EA1FG RR73
084300  -3 1866  EA1FG F4ESO 73
084330  -6 1867  IK4TVP F4ESO R+07 (x2)
084500  -1 1866  UT8SQ F4ESO +00 (x2)
084600  +4 1866  DL1BBO F4ESO -16 (x3)
084800 -15 1867  EN35UKR F4ESO JN39 (x2)
085100 -19 1867  F5RMK F4ESO JN39 (x4)
10m
UTC    dB Audio  Message
120130 -13 2480  F4ESO R2EC RR73
113415  -7 2496  F4ESO DK7UY -07 (x2)
114915  -7 2658  F4ESO LA2JKA +02

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.

Explore CW reception at SO8OO

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