EB7FSB — 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: Spain Most frequent locator attributed to this token: IM87

Receiver-side FT8 activity involving EB7FSB, decoded by SO8OO in southeastern Poland. 207 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 6 UTC dates in the available aggregate history. Observed between 2026-08-18 and 2026-09-15.

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 207 FT8 messages attributed to EB7FSB as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (45%), followed by 40 m (38%) and 80 m (17%). Most decodes (59%) fell within the six-hour window 17:00-23:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.

Overview

207
Messages attributed
6
UTC dates decoded
33
Active 15-min windows
-15 dB
Estimated median S/N

Bands

First attributed message: 2026-08-18
Last attributed message: 2026-09-15 21:09 UTC

Observed FT8 message patterns

Attributed sample
207 messages
Active dates
6 UTC dates
Estimated median S/N
-15 dB
Estimated 10th-90th percentile
-22 to -3 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 95, moderate (-15 to -9 dB) 65, strong (≥ -8 dB) 47.

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 EB7FSB

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
IM87 · 108 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,407 km (approx.)
Last such locator decoded
2026-09-15 21:09 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 UTCBandEB7FSB S/NCounterpartCounterpart S/NMsgsCapture
10-05 17:22 40m - / -24 HB9ELE +10 / - 2 ✓ Closing fragment
10-02 06:25 40m - / -11 OT7K +2 / - 2 ✓ Closing fragment
09-28 17:47 40m - / -17 G6LTT -13 / - 4 ✓ Closing fragment
09-15 21:04 40m -18 / +1 F5SJC -21 / -3 4 ✓ Full exchange observed
09-15 20:56 40m -22 / - OS4K -17 / - 2 ✓ Closing observed
09-15 18:56 40m -16 / - JA4LXY - / - 2 Partial capture
08-28 17:04 20m -12 / - F4ACR -2 / -13 3 ✓ Closing observed
08-28 17:02 20m -14 / - ES2AJ - / - 4 ✓ Closing fragment
08-28 16:34 20m -20 / - <...> - / - 2 Partial capture
08-28 16:26 20m - / -14 MW9VVX -6 / - 3 Partial capture
08-25 11:09 20m - / +2 G0MGK -5 / - 4 Partial capture
08-25 09:38 20m - / - GJ0KYZ -6 / - 2 Partial capture
08-25 09:37 20m - / - F5ADE +2 / - 2 Partial capture
08-25 09:35 20m - / -13 F4LML -14 / - 4 ✓ Closing fragment
08-25 07:35 20m -5 / - N2LEE - / - 3 Partial capture
08-25 07:31 20m -13 / - LB8TG -11 / -8 5 ✓ Closing observed
08-25 07:27 20m -11 / - VK2GQR - / -14 3 ✓ Closing fragment
08-25 07:25 20m -11 / - LB8TG - / - 3 Partial capture
08-25 07:22 20m - / -14 OE7MAH -18 / - 2 Partial capture
08-25 07:22 20m -15 / -13 R5KH +12 / -11 4 ✓ Full exchange observed
08-25 07:20 20m -13 / - PD1DRE - / -11 3 ✓ Closing fragment
08-25 07:19 20m -8 / - F1PPH -10 / -5 3 ✓ Closing observed
08-25 07:18 20m -8 / - UX7QV - / -14 2 ✓ Closing fragment
08-25 07:16 20m -15 / - R7OV - / -18 3 Partial capture
08-25 07:14 20m -14 / - UR1CCT - / -14 2 ✓ Closing fragment
08-25 07:13 20m -16 / +2 F5HNQ +6 / -1 6 ✓ Full exchange observed
08-25 07:13 20m - / - R7OV +6 / - 2 Partial capture
08-25 07:06 20m - / - IC8TEM +10 / - 2 Partial capture
08-25 07:05 20m - / -7 F1ODM +12 / - 2 ✓ Closing fragment
08-25 07:03 20m -24 / - <...> - / - 2 Partial capture
08-24 19:56 40m -21 / +4 F4MGP -10 / -4 4 ✓ Full exchange observed
08-24 19:51 40m -21 / +1 EG5DX -10 / - 3 ✓ Closing observed
08-24 15:56 20m -4 / - <...> - / -2 4 Partial capture
08-24 11:48 20m -15 / -12 DJ3HW +4 / - 3 ✓ Closing observed
08-24 11:41 20m -22 / - EA2EDI - / -1 2 ✓ Closing fragment
08-24 11:39 20m -19 / - DL1R +1 / -14 12 Partial capture
08-24 11:36 20m - / -16 OZ9FF -6 / - 2 ✓ Closing fragment
08-24 11:31 20m -24 / -13 M3TZX -5 / -25 4 Partial capture
08-24 11:29 20m - / +2 IK2YJC -13 / - 2 ✓ Closing fragment
08-24 09:48 20m +1 / - RN6MA - / - 2 Partial capture
08-24 09:46 20m 0 / - IK1AQI - / - 3 Partial capture
08-24 09:45 20m - / -8 DB2VS -13 / - 2 ✓ Closing fragment
08-24 09:38 20m -4 / 0 M0LAD 0 / -11 6 ✓ Full exchange observed
08-24 09:35 20m - / - F4BYA +3 / - 3 Partial capture
08-24 09:33 20m -5 / - F5RAV - / -2 5 ✓ Closing fragment
08-24 09:30 20m -4 / -10 UB4YCZ +9 / -10 7 ✓ Full exchange observed
08-24 09:26 20m -2 / -15 R2SN -3 / -22 6 ✓ Full exchange observed
08-24 09:26 20m - / -14 OE7MAH -4 / - 2 Partial capture
08-24 09:24 20m -2 / -11 F1POK -7 / -1 3 ✓ Full exchange observed
08-24 09:22 20m +1 / -5 OS4K -16 / - 2 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
210445 -20 2127  EB7FSB F5SJC R+01 (x2)
210630 -22 2127  SP6IYR EB7FSB -20
210930 -22 2127  D44TWO EB7FSB IM87
174700 -12  239  EB7FSB G6LTT -17 (x4)
062530  +2 2156  EB7FSB OT7K -11 (x2)
172230  +7  742  EB7FSB HB9ELE -24 (x2)
182630  -9 2038  EB7FSB IQ0AAX -10
182700  -7 2039  EB7FSB RR73; SP9VEY <...> -06
174845  +5  777  EB7FSB R7CD RR73
20m
UTC    dB Audio  Message
163400 -19 2406  <...> EB7FSB IM87 (x2)
165330 -18 2406  CQ EB7FSB IM87
170115  -6 1856  EB7FSB F1JPG RR73
170200 -11 2406  ES2AJ EB7FSB IM87 (x4)
170445  -2 2407  EB7FSB F4ACR IN96
170545 -11  767  EB7FSB F4JLS 73
170600  -7 2405  F4ACR EB7FSB -13 (x2)
170700  -8 2406  CQ EB7FSB IM87 (x3)
10m
UTC    dB Audio  Message
141800 -20 2299  EB7FSB YB1MR RR73
80m
UTC    dB Audio  Message
222745  -5 2615  EB7FSB F5MYK R-05
222815  +4 1747  EB7FSB MM0KQC -10
222815  +1 2615  EB7FSB F5MYK 73
222830 -13 1822  MM0KQC EB7FSB R-01
222930 -19 1822  CQ EB7FSB IM87 (x3)
223045  +1 1822  EB7FSB DO9JTR JO42
223100 -22 1822  DO9JTR EB7FSB -06
223115  -4 1822  EB7FSB DO9JTR R-08
223130 -22 1822  DO9JTR EB7FSB RR73
223145  +2 1822  EB7FSB DO9JTR 73
223415  +3 1946  EB7FSB IQ4JO R-09 (x2)
223530 -24 1822  CQ EB7FSB IM87

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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