E77EA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Bosnia-Herzegovina Most frequent locator attributed to this token: JN84

Receiver-side FT8 activity involving E77EA, decoded by SO8OO in southeastern Poland. 1,367 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 43 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-09-18.

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 1,367 FT8 messages attributed to E77EA as the transmitting token by decoded message structure across 43 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (66%), followed by 40 m (26%) and 20 m (8%). Most decodes (92%) fell within the six-hour window 16:00-22:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (83%); the estimated median was -1 dB.

Overview

1,367
Messages attributed
43
UTC dates decoded
186
Active 15-min windows
-1 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-09-18 20:06 UTC

Observed FT8 message patterns

Attributed sample
1,367 messages
Active dates
43 UTC dates
Estimated median S/N
-1 dB
Estimated 10th-90th percentile
-12 to +7 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 85, moderate (-15 to -9 dB) 146, strong (≥ -8 dB) 1,136.

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 E77EA

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
JN84 · 873 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
704 km (approx.)
Last such locator decoded
2026-09-18 20:02 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 UTCBandE77EA S/NCounterpartCounterpart S/NMsgsCapture
09-18 20:06 40m -17 / - R3RRC/P -9 / -13 2 ✓ Closing observed
09-18 20:00 40m -11 / - R3RRC/P - / - 6 Partial capture
09-17 21:51 80m +2 / - UI7N - / - 4 Partial capture
09-17 19:10 40m -3 / - R6ML - / -19 3 ✓ Closing fragment
09-17 18:34 80m 0 / -14 R3KLE -14 / -8 7 ✓ Full exchange observed
09-17 18:29 80m 0 / +9 9A670KC -1 / -4 3 Partial capture
09-17 18:29 80m 0 / -5 3Z100PKP +15 / +5 3 Partial capture
09-17 17:59 80m -2 / - RG6OR - / - 4 Partial capture
09-17 17:34 80m +2 / -16 HA3SR -6 / +4 8 ✓ Full exchange observed
09-15 18:55 40m -2 / -3 DL5EBS -2 / +2 6 ✓ Full exchange observed
09-15 18:54 40m +4 / - SN100PKP - / -9 2 Partial capture
09-15 18:49 40m +1 / - UB2FEK - / -11 3 ✓ Closing fragment
09-15 18:47 40m - / - DL6LG -12 / - 3 Partial capture
09-15 18:47 40m 0 / -9 DK8HC -8 / -3 6 ✓ Full exchange observed
09-15 18:43 40m 0 / -11 UB6ODO -6 / -23 12 ✓ Full exchange observed
09-14 19:43 80m - / - F4ANC -18 / - 4 Partial capture
09-14 19:41 80m +12 / - II7IAME - / -22 2 Partial capture
09-14 19:38 80m +9 / - R8AIM/0 - / -22 4 Partial capture
09-14 19:30 80m +8 / - DB100FT - / -22 6 Partial capture
09-14 19:28 80m +7 / - R8AIM/0 - / -22 3 Partial capture
09-14 19:27 80m +10 / - UB0SMX/P - / -22 3 Partial capture
09-14 19:17 80m +2 / -15 UA9LT -11 / -5 4 ✓ Full exchange observed
09-14 19:15 80m +1 / - UA0TP - / -13 4 ✓ Closing fragment
09-14 03:59 80m +7 / - W4PSK - / - 5 Partial capture
09-13 21:00 80m +4 / - R3DIK/M - / -17 3 Partial capture
09-13 20:06 80m +5 / - R9OOF - / - 3 Partial capture
09-13 19:47 80m -3 / - R9OOF - / - 3 Partial capture
09-13 19:46 80m -1 / - R3DIK/M - / - 2 Partial capture
09-13 19:40 80m -2 / - UA9JTJ/9 - / - 5 Partial capture
09-13 19:32 80m +1 / -14 R3DIK/M -4 / -12 7 Partial capture
09-13 19:07 80m +4 / - RD9M/3 - / - 3 Partial capture
09-13 19:01 80m +9 / - II8IHBC - / -12 2 Partial capture
09-13 18:47 80m +3 / -15 R3KHR -8 / -10 5 ✓ Full exchange observed
09-13 18:44 80m +5 / - R3KPI - / - 5 Partial capture
09-13 18:25 40m -5 / -17 R4HNT -5 / -14 6 ✓ Full exchange observed
09-13 18:22 40m - / -12 R3KHR +2 / - 2 ✓ Closing fragment
09-13 18:13 40m -9 / - R6HV/P - / - 5 Partial capture
09-12 20:42 80m +4 / - R4RJ - / - 3 Partial capture
09-12 03:43 80m -3 / - KP4EIT - / -15 10 Partial capture
09-12 03:34 80m - / +7 DO1ID +13 / - 2 Partial capture
09-12 03:33 80m -4 / -18 RK3YWA -19 / -15 5 ✓ Full exchange observed
09-12 03:30 80m - / - DL2HUC +3 / - 3 Partial capture
09-12 03:29 80m -4 / - RA3PGR - / - 2 ✓ Closing fragment
09-11 19:52 80m 0 / - UA3IDQ -8 / -19 13 ✓ Closing observed
09-11 19:47 80m -3 / +2 OE5ABL +1 / -4 4 Partial capture
09-11 19:44 80m +1 / - R7ZY - / -13 3 ✓ Closing fragment
09-10 19:50 80m -8 / - UF6V/UA5D - / - 2 Partial capture
09-10 19:43 80m -1 / - R5VCR - / - 6 Partial capture
09-10 19:41 80m -1 / - SN40KZE - / - 2 Partial capture
09-10 19:13 80m +1 / - RT9K - / -25 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
183045  +0 1565  9A670KC E77EA JN84
183100 +15 1029  E77EA 3Z100PKP -05
183115  -1 1565  9A670KC E77EA R-04
183400  -5 1565  R3KLE E77EA JN84 (x3)
183545 -15 1907  E77EA R3KLE -14
183600  +4 1565  R3KLE E77EA R-08
183615 -13 1907  E77EA R3KLE RR73
183630  +4 1565  R3KLE E77EA 73
215100  +2 1793  UI7N E77EA JN84 (x4)
031815  +5 2237  E77EA G1CEC IO83
40m
UTC    dB Audio  Message
185700  -2 1207  DL5EBS E77EA +02
185715  -2 2170  E77EA DL5EBS R-03
185730  -1 1207  DL5EBS E77EA RR73
185745  +3 2170  E77EA DL5EBS 73
191015  +0 1279  R6ML E77EA JN84 (x3)
200000  -4 1522  R3RRC/P E77EA JN84 (x7)
200615  -9 1867  E77EA R3RRC/P RR73
10m
UTC    dB Audio  Message
074315  +0 2051  E77EA DK8ZZ -07 (x2)
20m
UTC    dB Audio  Message
083115 -18 1435  <...> E77EA JN84 (x3)
084415 -11 1218  E77EA LZ1ZF -04
085830 -17 1434  E77EA R4HEA -21 (x2)
172200 -14  604  E77EA RA4CQW/P -15
175615  +4 1323  E77EA F1PPH JN07 (x8)

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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