F4EWK — 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: JN26

Receiver-side FT8 activity involving F4EWK, decoded by SO8OO in southeastern Poland. 2,504 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 49 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-11-05.

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 2,504 FT8 messages attributed to F4EWK as the transmitting token by decoded message structure across 49 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (56%), followed by 40 m (16%) and 160 m (14%). The busiest six-hour window was 01:00-07:00 UTC, containing 48% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -6 dB.

Overview

2,504
Messages attributed
49
UTC dates decoded
227
Active 15-min windows
-6 dB
Estimated median S/N

Bands

First attributed message: 2026-06-10
Last attributed message: 2026-11-05 19:51 UTC

Observed FT8 message patterns

Attributed sample
2,504 messages
Active dates
49 UTC dates
Estimated median S/N
-6 dB
Estimated 10th-90th percentile
-19 to +5.3 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 460, moderate (-15 to -9 dB) 577, strong (≥ -8 dB) 1,467.

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 F4EWK

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
JN26 · 1,554 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,298 km (approx.)
Last such locator decoded
2026-11-05 19:51 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 UTCBandF4EWK S/NCounterpartCounterpart S/NMsgsCapture
11-05 19:51 80m -3 / - JA4VUQ - / - 2 Partial capture
11-05 19:49 80m -2 / -23 R9FAI -12 / -10 5 ✓ Full exchange observed
11-05 19:48 80m -1 / +2 M0BEW -10 / +5 4 ✓ Full exchange observed
11-05 19:43 80m +4 / +4 DH5IS -5 / -4 3 ✓ Full exchange observed
11-05 19:43 80m +1 / +3 UR7EU -4 / - 6 ✓ Closing observed
11-05 19:43 80m - / - DO1WFW -6 / - 2 Partial capture
11-05 19:35 80m +2 / -14 SP5JMA +11 / -11 5 ✓ Full exchange observed
11-05 19:33 80m +1 / +9 DL1HTY +1 / -2 5 ✓ Full exchange observed
11-05 06:29 160m -21 / - DK80NDS - / - 3 Partial capture
11-05 03:38 160m -10 / - WT3Q - / - 6 Partial capture
11-05 03:34 160m -8 / - 6W/IK2HKT - / - 6 Partial capture
11-05 03:26 160m -6 / - 6W/IK2HKT - / - 3 Partial capture
11-05 03:21 160m -10 / - 6W/IK2HKT - / - 4 Partial capture
11-05 03:14 160m -12 / - 6W/IK2HKT - / - 10 Partial capture
11-04 02:38 80m - / +1 MI0NWA -2 / - 5 ✓ Closing fragment
11-04 02:35 80m +6 / - KQ4TV - / - 2 Partial capture
11-03 01:23 80m -2 / -1 M9XPN -9 / -7 8 ✓ Full exchange observed
11-03 01:19 80m +1 / -18 6W/IK2HKT +1 / 0 2 Partial capture
10-31 19:41 80m -6 / -14 DO1SHK -2 / -7 5 ✓ Full exchange observed
10-31 18:42 80m -7 / - DO4HBE - / -19 2 ✓ Closing fragment
10-31 06:25 160m -14 / - DF3JO - / +2 2 ✓ Closing fragment
10-31 06:20 160m -8 / - W3LL - / -14 3 ✓ Closing fragment
10-31 06:17 80m -5 / - 9A2WA - / -16 3 Partial capture
10-31 06:16 80m -7 / - N1YXE - / -10 2 ✓ Closing fragment
10-31 06:13 80m -6 / - W0RLD - / -12 5 ✓ Closing fragment
10-31 06:04 80m +6 / - VA3FZ - / -17 4 ✓ Closing fragment
10-31 05:47 80m -4 / - IU2THY - / -1 2 ✓ Closing fragment
10-31 05:44 80m +5 / -9 SQ5RJK -3 / -15 7 ✓ Full exchange observed
10-31 05:40 80m +14 / - DL9GF - / -15 2 ✓ Closing fragment
10-31 05:21 80m +7 / -1 S52AS -3 / - 3 ✓ Closing observed
10-31 05:20 80m +4 / -5 S55KZ +1 / +2 3 Partial capture
10-31 05:15 80m +9 / - RA1NBG -11 / -18 3 ✓ Closing observed
10-31 05:12 80m +6 / - DA6OOM - / -17 4 ✓ Closing fragment
10-31 05:06 80m +6 / - M7KEV -16 / -25 7 Partial capture
10-31 04:56 80m +8 / - DO2NTC - / -18 6 Partial capture
10-31 04:51 80m +8 / - SQ9DKS - / -7 2 ✓ Closing fragment
10-31 04:48 80m +8 / -5 UR5TL +7 / -6 5 ✓ Full exchange observed
10-31 04:46 80m +7 / -2 HA3TBL 0 / +1 5 ✓ Full exchange observed
10-31 04:43 80m +8 / - IZ5FSO - / -4 5 Partial capture
10-31 04:41 80m +12 / -8 NQ3N -19 / -17 2 Partial capture
10-30 17:00 80m -2 / - EB4FSM - / -3 2 ✓ Closing fragment
10-30 06:28 40m -6 / - W3EWL - / -17 6 Partial capture
10-30 06:27 40m - / - M9XPN -16 / - 3 Partial capture
10-30 06:27 40m - / - F4BYA +10 / - 4 Partial capture
10-30 06:22 40m -11 / - G0BLB +3 / -13 9 Partial capture
10-30 06:21 40m -10 / - DK1TS - / +2 2 ✓ Closing fragment
10-30 06:17 40m - / - F4BYA +8 / - 4 Partial capture
10-30 06:13 40m -2 / +5 OK3MB -7 / -4 8 ✓ Full exchange observed
10-30 06:12 40m 0 / - PD4RJ - / -1 2 ✓ Closing fragment
10-30 06:02 160m - / -23 SQ7LQT -2 / - 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
194715  +3 2663  CQ F4EWK JN26 (x3)
194830 -11 2661  F4EWK M0BEW +02
194830 -17 2895  F4EWK JA9BFN PM86
194845  +1 2663  M0BEW F4EWK R+05
194900  -9 2660  F4EWK M0BEW RR73
194915  -3 2663  M0BEW F4EWK 73
194930 -11 2184  F4EWK R9FAI LO87
194945  -2 2663  R9FAI F4EWK -10 (x2)
195030 -12 2183  F4EWK R9FAI R-23
195045  -7 2663  R9FAI F4EWK RR73
195115  -4 2663  JA4VUQ F4EWK JN26 (x2)
160m
UTC    dB Audio  Message
033745  -6 2357  6W/IK2HKT F4EWK JN26
033845 -15 2357  WT3Q F4EWK JN26 (x6)
062915 -21 1624  DK80NDS F4EWK JN26 (x3)
063115 -21 1624  CQ F4EWK JN26 (x5)
40m
UTC    dB Audio  Message
062700  -7 2082  CQ F4EWK JN26
062715  +4 2982  F4EWK F4BYA JN19
062730  -5 2081  CQ F4EWK JN26
062745 -14 2082  F4EWK M9XPN IO91
062745 +11 2982  F4EWK F4BYA JN19
062800  -3 2081  W3EWL F4EWK R-17
062815 -17 2083  F4EWK M9XPN IO91
062815 +14 2982  F4EWK F4BYA JN19
062830  -5 2081  W3EWL F4EWK R-17
062845 -16 2083  F4EWK M9XPN IO91
062845 +12 2982  F4EWK F4BYA JN19
062900  -4 2081  W3EWL F4EWK R-17 (x4)
10m
UTC    dB Audio  Message
115900 -16 1145  8Q7PR F4EWK JN26 (x3)
150545 -22 1415  F4EWK EA7UW IM76 (x12)
60m
UTC    dB Audio  Message
183200 -16 1164  CQ F4EWK JN26 (x2)
183245  +2 1164  F4EWK YL2CA KO06
183300 -16 1164  YL2CA F4EWK -03
183315  +3 1164  F4EWK YL2CA R-04
183330 -16 1164  YL2CA F4EWK RR73
183345  +3 1164  F4EWK YL2CA 73
183400 -15 1164  CQ F4EWK JN26                         a1 (x2)
183515  -6 1335  F4EWK 9A60CBM R-08
183600 -17 1164  CQ F4EWK JN26
183700 -17 1164  DG2EBG F4EWK -04 (x4)
20m
UTC    dB Audio  Message
161630 -10 1966  OZ9FF F4EWK 73
161700 -18 1966  CQ F4EWK JN26
161730 -12 1966  TA2PCB F4EWK JN26 (x2)
162130 -21 1966  AC4BV F4EWK JN26 (x3)
162615 -24 1878  F4EWK LY3VD KO24 (x3)
163330 -13 1966  BG4UCZ F4EWK JN26
163530 -13 1966  SV1EGE F4EWK RR73
163545 -16  802  F4EWK UR5LY -15 (x2)
163845 -19 1966  5B4ARQ F4EWK R-10

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

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