N5MK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: FN20

Receiver-side FT8 activity involving N5MK, decoded by SO8OO in southeastern Poland. 192 related FT8 messages, 20 CQ messages, observed on 40m, 20m, across 21 UTC dates. Heard between 2026-05-24 and 2026-08-22.

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

192
Related messages
20
CQ messages
21
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-05-24
Last seen: 2026-08-22 23:34 UTC

Activity Heatmap

Locator transmitted by N5MK

Approximate centre of FN20, decoded 2026-08-23 01:32 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandN5MK S/NCounterpartCounterpart S/NMsgsCapture
08-23 01:32 20m -17 / -2 OK1AYM +9 / -11 5 ✓ Full exchange observed
08-23 01:29 20m -13 / -15 PD0RCQ -5 / -16 7 ✓ Full exchange observed
08-23 01:28 20m - / - DL9UXF -6 / - 2 Partial capture
08-23 01:13 20m -19 / +6 DL1VCA 0 / - 3 Partial capture
08-23 01:10 20m -17 / - 8Z1IT - / - 3 Partial capture
08-21 01:21 20m - / +1 9K2GR +10 / - 2 ✓ Closing fragment
08-21 00:30 20m - / -17 7Z1DM -17 / - 2 Partial capture
08-07 00:44 20m - / -14 HB9EXE -17 / - 4 Partial capture
07-17 14:38 20m - / - IK4LZH -14 / - 2 Partial capture
07-05 23:43 20m - / - EA1IOK -9 / - 4 Partial capture
06-07 12:14 20m - / - F1PSX +2 / - 18 Partial capture
06-07 01:08 20m - / -11 F4JRC +5 / - 2 ✓ Closing fragment
06-06 10:36 20m - / -13 DL1FAM -7 / - 3 ✓ Closing fragment
06-05 02:38 40m - / -18 I0KNQ 0 / - 6 Partial capture
06-05 01:56 40m -15 / - GB6DD -17 / -11 2 ✓ Closing observed
06-05 01:51 40m -15 / -17 E72ET -18 / -13 5 ✓ Full exchange observed
06-05 01:42 40m -12 / - PY2VOX - / - 2 Partial capture
06-05 01:30 40m -13 / -17 SQ2HEB -18 / -6 6 ✓ Full exchange observed
06-05 01:28 40m -14 / - DJ0MAB +14 / -9 4 Partial capture
06-05 01:26 40m - / -12 R7KEA +1 / - 2 ✓ Closing fragment
06-05 01:17 40m -18 / - N8GAS - / - 3 Partial capture
06-04 23:38 20m - / - EA1IOK -3 / - 4 Partial capture
06-04 02:32 40m -19 / - UR5LAK - / - 5 Partial capture
06-04 02:04 20m -7 / - N7YI - / - 8 Partial capture
06-04 01:55 20m - / -21 OH2XO +6 / - 2 Partial capture
06-04 01:46 20m - / -11 4U1UN -10 / - 2 ✓ Closing fragment
06-04 01:24 20m -8 / -4 N0QX -15 / - 2 Partial capture
06-04 01:24 20m - / - EA1IOK +7 / - 2 Partial capture
06-04 01:24 20m - / -3 F1PBZ +11 / - 2 Partial capture
06-04 00:15 20m - / - KD8ECZ -10 / - 3 Partial capture
06-04 00:09 20m -8 / - NI7C - / - 2 Partial capture
06-03 01:36 20m - / -14 TA3OER +1 / - 3 Partial capture
06-03 01:23 20m -18 / - CO2WL - / -10 2 ✓ Closing fragment
06-01 01:09 40m -10 / -12 A41KB -9 / - 4 ✓ Closing observed
06-01 01:07 40m -9 / -5 F4NGR -3 / -6 5 ✓ Full exchange observed
06-01 01:06 40m -10 / - KC2HGP - / 0 2 Partial capture
06-01 01:02 40m -9 / - TA2BMV - / - 4 Partial capture
06-01 01:00 40m -8 / - K8YE - / 0 3 ✓ Closing fragment
06-01 00:22 40m -10 / - KI5ZMB - / -11 2 Partial capture
06-01 00:19 40m -11 / - F6FHZ -5 / - 3 ✓ Closing observed
06-01 00:18 40m -12 / - WB0TAX - / -11 2 Partial capture
06-01 00:16 40m -12 / - K8GED - / -2 2 Partial capture
06-01 00:11 40m -10 / -6 EB2FBI -15 / -14 6 ✓ Full exchange observed
06-01 00:08 40m -13 / - ZS6KBS - / -15 4 ✓ Closing fragment
05-31 19:56 20m - / - DF3IS -11 / - 2 Partial capture
05-31 19:47 20m - / - OE2LEX -2 / - 3 Partial capture
05-30 20:20 20m - / - EA1IOK +8 / - 3 Partial capture
05-29 23:42 20m - / - EA1IOK -2 / - 3 Partial capture
05-28 01:06 40m - / - EA1CQ -8 / - 2 Partial capture
05-28 01:06 40m - / -10 IU0NAD -6 / - 5 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
012815  -5 2213  N5MK DL9UXF JO71 (x2)
012915  -2 2215  N5MK PD0RCQ JO21
012930 -12 2214  PD0RCQ N5MK -16
012945  -3 2215  N5MK PD0RCQ JO21
013000 -14 2214  PD0RCQ N5MK -20
013015  -9 2215  N5MK PD0RCQ R-15 (x3)
013200 -16 1428  CQ N5MK FN20
013245  +8 1428  N5MK OK1AYM JO70
013330 -18 1429  OK1AYM N5MK -11
013345 +10 1427  N5MK OK1AYM R-02
013400 -16 1428  OK1AYM N5MK RRR
013415  +9 1427  N5MK OK1AYM 73
40m
UTC    dB Audio  Message
015415 -17 2376  E72ET N5MK R-13 (x2)
015645 -15 2376  GB6DD N5MK R-11
015700 -17 1733  N5MK GB6DD RR73
020615 -14 2376  KE9END N5MK FN20
020815 -20 1971  OA4ENG N5MK 73
021215 -22 1910  N5MK HI6M RR73
021745  +2 2527  N5MK OZ4LAMA -13
023845  -3 1351  N5MK I0KNQ -18 (x2)
023915 -13 1970  N5MK LY1DY KO14
023945  +2 1351  N5MK I0KNQ -18 (x4)

Decoder S/N history by band

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