GB9EMF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: England Most frequent locator attributed to this token: IO82

Receiver-side FT8 activity involving GB9EMF, decoded by SO8OO in southeastern Poland. 41 FT8 messages attributed to this token as transmitter, on 20m, across 2 UTC dates in the available aggregate history. Observed between 2026-07-16 and 2026-07-20.

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 41 FT8 messages attributed to GB9EMF as the transmitting token by decoded message structure across 2 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 -18 dB; no usual signal pattern is inferred.

Overview

41
Messages attributed
2
UTC dates decoded
5
Active 15-min windows
-18 dB
Estimated median S/N

Bands

20m · 41
First attributed message: 2026-07-16
Last attributed message: 2026-07-20 22:03 UTC

Observed FT8 message patterns

Attributed sample
41 messages
Active dates
2 UTC dates
Estimated median S/N
-18 dB
Estimated 10th-90th percentile
-22 to -14 dB
Recurring-pattern threshold
Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 29, moderate (-15 to -9 dB) 12, strong (≥ -8 dB) 0.

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 GB9EMF in decoded directed-looking exchanges:

Most frequent locator attributed to GB9EMF

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
IO82 · 12 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,741 km (approx.)
Last such locator decoded
2026-07-20 21:57 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 UTCBandGB9EMF S/NCounterpartCounterpart S/NMsgsCapture
07-20 22:01 20m -14 / - K5GZG - / -12 5 Partial capture
07-20 21:55 20m -15 / - KE0QEQ - / -14 3 ✓ Closing fragment
07-20 21:53 20m -18 / - K1CXS - / -10 2 ✓ Closing fragment
07-20 21:51 20m -20 / - UW5KW - / -14 2 ✓ Closing fragment
07-20 21:50 20m -16 / - N2LHW - / -15 2 ✓ Closing fragment
07-20 21:38 20m -16 / - N1SK - / -16 2 Partial capture
07-20 21:36 20m -17 / - PD0IFI -18 / - 4 ✓ Closing observed
07-19 14:45 20m - / - F5PBG -20 / - 2 Partial capture
07-19 14:37 20m - / -2 DL1UDO -15 / - 3 ✓ Closing fragment
07-19 14:28 20m - / +5 PA0LDE -11 / - 2 ✓ Closing fragment
07-16 13:57 20m - / +3 F5SJC -5 / - 3 ✓ Closing fragment
07-16 13:57 20m - / -14 RN6MA -1 / - 4 ✓ Closing fragment
07-16 13:54 20m -18 / - R1LP -14 / -12 3 ✓ Closing observed
07-16 13:48 20m -16 / -3 LZ3CB +7 / 0 4 ✓ Full exchange observed
07-16 13:47 20m -21 / - K8JDC - / -12 2 ✓ Closing fragment
07-16 13:45 20m -22 / - UA3LRN - / -15 2 Partial capture
07-15 21:19 20m - / -11 YO4NF -8 / - 2 ✓ Closing fragment
07-15 20:16 20m - / -6 I1RJP +1 / - 5 Partial capture
07-15 20:12 40m - / - HG8LXL +1 / - 3 Partial capture
07-15 20:10 40m - / - DL6UM -2 / - 5 Partial capture
07-15 19:58 40m - / -11 YO9PH -17 / - 2 ✓ Closing fragment
07-15 19:56 40m - / -10 DK3TNA -16 / - 3 ✓ Closing fragment
07-15 19:56 40m - / -3 DL7ACA -3 / - 3 ✓ Closing fragment
07-15 19:53 40m - / -1 PA2KV -5 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
215330 -17 2183  K1CXS GB9EMF RR73
215400 -18 2183  CQ GB9EMF IO82 (x3)
215530 -17 2182  KE0QEQ GB9EMF -14 (x3)
215700 -19 2183  CQ GB9EMF IO82 (x2)
215930 -15 2183  HI8AYR GB9EMF RR73
220100 -15 2183  K5GZG GB9EMF -12 (x5)
40m 
UTC    dB Audio  Message
195630  +0 2777  GB9EMF DL7ACA R-03
195630 -16 1839  GB9EMF DK3TNA JO62
195700  -5 2777  GB9EMF DL7ACA 73
195730 -14 1839  GB9EMF DK3TNA R-10
195800 -20 1983  GB9EMF YO9PH -11
195800 -18 1839  GB9EMF DK3TNA 73
195830 -14 1984  GB9EMF YO9PH RR73
201030  -2  577  GB9EMF DL6UM JO60 (x3)
201200  -1 2614  GB9EMF HG8LXL KN06
201200  -1  577  GB9EMF DL6UM JO60 (x2)
201330  +0 2614  GB9EMF HG8LXL KN06 (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.

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