N1UMJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving N1UMJ, decoded by SO8OO in southeastern Poland. 68 related FT8 messages, observed on 80m, 40m, 20m, across 9 UTC dates. Heard between 2026-06-03 and 2026-08-13.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

68
Related messages
0
CQ messages
9
UTC dates heard
-1 dB
Mean decoder S/N

Bands

First seen: 2026-06-03
Last seen: 2026-08-13 02:30 UTC

Activity Heatmap

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 UTCBandN1UMJ S/NCounterpartCounterpart S/NMsgsCapture
08-13 04:28 80m - / - EA7ALL -7 / - 5 Partial capture
08-13 04:19 80m - / - EA7ALL +2 / - 2 Partial capture
08-13 04:08 80m - / - 9A5E -4 / - 2 Partial capture
08-13 04:05 80m - / - DK2CF +6 / - 2 Partial capture
08-13 03:59 80m - / - 9A5E +3 / - 2 Partial capture
08-13 03:59 80m - / -17 IK1UGX -1 / - 4 ✓ Closing fragment
08-13 03:55 80m - / -2 OK1CI +8 / - 4 ✓ Closing fragment
08-13 03:51 80m - / -12 OK1CI +9 / - 3 ✓ Closing fragment
08-13 03:35 80m - / - SP9UOP +4 / - 3 Partial capture
08-13 03:31 80m - / -17 SQ8N +23 / - 3 ✓ Closing fragment
08-13 03:25 80m -24 / - AG5PC - / -8 2 Partial capture
08-13 03:05 80m - / - EA2EJO -8 / - 4 Partial capture
08-13 02:57 80m -15 / - UR5SG - / - 3 Partial capture
08-13 02:54 80m -14 / - KE4NVI - / - 2 Partial capture
08-13 02:50 80m -23 / - K4JJL - / -16 4 Partial capture
08-13 02:49 80m - / - DO8JB +2 / - 13 Partial capture
08-13 02:46 80m -24 / - K8ATL - / -3 3 ✓ Closing fragment
08-13 02:42 80m -22 / - KG5YJW - / -5 2 ✓ Closing fragment
08-03 03:02 20m - / -12 TN8GD -2 / - 2 ✓ Closing fragment
08-01 03:44 40m - / - YO9IAB -7 / - 2 Partial capture
07-20 03:42 40m - / - R3LCG -15 / - 2 Partial capture
07-19 04:43 40m - / - DL3OCF +1 / - 2 Partial capture
06-05 02:27 20m - / -19 HZ1TT -3 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
040045  -1 1936  N1UMJ IK1UGX JN34 (x3)
040515  +4 1443  N1UMJ DK2CF JO41 (x2)
040845  +3 2136  N1UMJ 9A5E JN75 (x2)
041930  +1  734  N1UMJ EA7ALL IM88 (x8)
40m
UTC    dB Audio  Message
044315  +7 2981  N1UMJ DL3OCF JO51 (x2)
034215 -16 1905  N1UMJ R3LCG KO64 (x2)
043630 -21 1966  N1UMJ GU4WRP RR73
034415  -7 1871  N1UMJ YO9IAB KN25 (x2)
041930  -1  887  N1UMJ YL3CU -11
021700 -16 2211  N1UMJ G5TV IO93
20m
UTC    dB Audio  Message
134745  -6  276  N1UMJ VE7ON -17
022715  -7 1764  N1UMJ HZ1TT -19 (x3)
041915 -13  709  T22TT N1UMJ R-13
030230  -6  516  N1UMJ TN8GD -12 (x2)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.