N4MTB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving N4MTB, decoded by SO8OO in southeastern Poland. 64 related FT8 messages, observed on 80m, 40m, 20m, across 4 UTC dates. Heard between 2026-06-09 and 2026-08-21.

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

64
Related messages
0
CQ messages
4
UTC dates heard
0 dB
Mean decoder S/N

Bands

First seen: 2026-06-09
Last seen: 2026-08-21 20:31 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 UTCBandN4MTB S/NCounterpartCounterpart S/NMsgsCapture
08-21 22:29 20m - / -17 LU1FIV -6 / - 4 ✓ Closing fragment
08-21 22:26 40m - / -10 CT3MD -5 / - 3 ✓ Closing fragment
08-20 23:54 20m - / -13 SV5BYP -6 / - 3 ✓ Closing fragment
08-20 23:44 20m - / -16 YO4NF -3 / - 4 ✓ Closing fragment
08-20 23:41 20m - / -14 7Z1BQ -11 / - 3 ✓ Closing fragment
08-19 23:32 40m -13 / -10 S56KO -5 / -14 5 ✓ Full exchange observed
08-19 23:16 40m - / - DK2FM +3 / - 2 Partial capture
06-10 02:23 40m - / - F6FHZ -12 / - 2 Partial capture
06-10 02:17 40m -8 / - 9A4ZM - / -8 2 Partial capture
06-10 02:16 40m - / - IU8RFW +2 / - 4 Partial capture
06-10 02:14 40m -8 / - OM0RX - / -15 3 ✓ Closing fragment
06-10 02:14 40m - / - IU0NAD -2 / - 2 Partial capture
06-10 02:12 40m -4 / - US2YW -11 / -10 4 Partial capture
06-10 02:12 40m -7 / -3 4X1UF -9 / -11 6 ✓ Full exchange observed
06-10 02:03 80m - / -16 EU3AA +13 / - 7 ✓ Closing fragment
06-10 01:59 80m - / -20 9A5E +11 / - 14 Partial capture
06-10 01:50 80m -19 / -18 CX6VM -4 / -3 4 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
234115 -13 1241  N4MTB 7Z1BQ R-14 (x3)
234415  -1  907  N4MTB YO4NF -16 (x4)
234815 -11  903  N4MTB 9A4ZM JN86
235415  -4 1631  N4MTB SV5BYP R-13 (x3)
222915  -5 2576  N4MTB LU1FIV R-17 (x4)
40m
UTC    dB Audio  Message
021745  +0 1859  N4MTB IU8RFW JN70
022100 -12  600  9A3AUH N4MTB -11
022315 -12  695  N4MTB F6FHZ JN18 (x2)
231645  +4 2124  N4MTB DK2FM JO61 (x2)
232400 -15 1731  N4MTB PV8AJ R-03
233215  -1 2488  N4MTB S56KO R-10
233230 -13  746  S56KO N4MTB -14
233245  -9 2488  N4MTB S56KO R-07 (x3)
222600  -4  941  N4MTB CT3MD R-10 (x3)
80m
UTC    dB Audio  Message
020245 +16 2134  N4MTB 9A5E R-20
020300  +8  931  N4MTB EU3AA R-16
020315 +10 2134  N4MTB 9A5E R-20
020330 +15  931  N4MTB EU3AA R-16
020345 +10 2134  N4MTB 9A5E R-20
020400 +13  931  N4MTB EU3AA R-16 (x2)
020445  +7 2134  N4MTB 9A5E R-20 (x2)
020530 +17  931  N4MTB EU3AA R-26
020545  +8 2134  N4MTB 9A5E R-20
020600 +14  931  N4MTB EU3AA R-20
020615  +7 2134  N4MTB 9A5E R-20
020630 +11  932  N4MTB EU3AA 73
020645 +10 2134  N4MTB 9A5E R-20

Decoder S/N history by band

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