NP4JF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Puerto Rico

Receiver-side FT8 activity involving NP4JF, decoded by SO8OO in southeastern Poland. 183 related FT8 messages, 8 CQ messages, observed on 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-06-18 and 2026-08-17.

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

183
Related messages
8
CQ messages
14
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-06-18
Last seen: 2026-08-17 20:02 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 UTCBandNP4JF S/NCounterpartCounterpart S/NMsgsCapture
08-17 21:59 20m - / - EA5BLP -2 / - 7 Partial capture
08-17 21:47 20m - / - RA3ZH -1 / - 6 Partial capture
08-04 22:03 20m - / -18 UA3VVA -11 / - 4 ✓ Closing fragment
07-29 22:16 20m - / - M7XCO -19 / - 7 Partial capture
07-29 22:06 20m - / - MM3WYM -16 / - 2 Partial capture
07-29 22:02 20m - / - M0WOO -5 / - 2 Partial capture
07-29 21:58 20m - / - M8KUG -12 / - 4 Partial capture
07-29 21:57 20m - / - M7XCO -20 / - 4 Partial capture
07-28 18:44 20m - / -19 F1NQP +4 / - 2 ✓ Closing fragment
07-27 23:15 20m - / -19 WI1U -12 / - 2 ✓ Closing fragment
07-27 22:16 20m - / -15 UN7LEW -2 / - 3 ✓ Closing fragment
07-22 23:16 20m - / - UT5MD +2 / - 2 Partial capture
07-20 20:10 20m - / -20 IK4LZH -4 / - 4 Partial capture
07-07 20:21 20m - / - M9KTM -4 / - 5 Partial capture
07-07 20:20 20m - / - IN3KXV -4 / - 2 Partial capture
07-06 23:46 20m - / 0 IK4LZH -5 / - 2 Partial capture
07-06 23:30 40m - / - LB5JK -7 / - 5 Partial capture
07-06 23:28 40m - / - DB3EH -8 / - 13 Partial capture
07-06 23:27 40m - / - DK2LG +3 / - 2 Partial capture
07-02 22:53 20m - / - M7OOT -22 / - 4 Partial capture
07-02 22:37 20m -24 / -5 PD1HPB -24 / - 2 ✓ Closing observed
06-24 21:39 20m - / - M0CKX -7 / - 4 Partial capture
06-24 20:54 20m - / - R5AK -9 / - 3 Partial capture
06-24 20:36 20m - / -10 UA3ALY -12 / - 4 Partial capture
06-24 20:33 20m - / -5 IS0KNG -12 / - 3 ✓ Closing fragment
06-24 20:32 20m - / - F4BYA -7 / - 3 Partial capture
06-24 19:56 20m - / - F4BYA -6 / - 2 Partial capture
06-24 19:42 20m - / -12 IK4LZH -6 / - 6 ✓ Closing fragment
06-24 19:28 10m - / -14 F4LZZ -7 / - 7 Partial capture
06-24 19:11 10m - / -6 I2XIP -6 / - 3 ✓ Closing fragment
06-22 20:40 20m - / - M9WHQ +8 / - 6 Partial capture
06-22 20:30 20m - / - M8GNC -10 / - 2 Partial capture
06-22 20:12 20m - / - IK2JYT -4 / - 3 Partial capture
06-18 22:31 20m - / - EA3FKT -1 / - 4 Partial capture
06-18 22:28 20m -20 / - HC5CG - / -8 3 Partial capture
06-18 22:20 20m -24 / - ON4CJK - / -13 2 ✓ Closing fragment
06-18 22:13 20m -18 / - EA3PV -9 / -8 3 Partial capture
06-18 22:09 20m -18 / -20 9K2MP +2 / -11 7 ✓ Full exchange observed
06-18 21:58 20m - / - IK4LZH -10 / - 2 Partial capture
06-18 21:08 10m - / -7 SV2CLJ -3 / - 4 ✓ Closing fragment
06-18 21:04 10m - / -14 EB5HRZ -12 / - 3 Partial capture
06-18 20:40 10m - / - F1LZV -6 / - 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
220400 -11 2259  NP4JF UA3VVA R-18 (x2)
214715  -2  534  NP4JF RA3ZH KO81 (x6)
215945  -7  364  NP4JF EA5BLP JN00 (x7)
40m
UTC    dB Audio  Message
233045  -9 2592  NP4JF LB5JK JO38
233045 -10 1218  NP4JF DB3EH JO42
233115  -4 2592  NP4JF LB5JK JO38
233115  -7 1218  NP4JF DB3EH JO42
233145 -11 2592  NP4JF LB5JK JO38
233145  -7 1218  NP4JF DB3EH JO42
233215  -8 2592  NP4JF LB5JK JO38
233215 -12 1218  NP4JF DB3EH JO42
233245  -3 2592  NP4JF LB5JK JO38
233245  +0 1219  NP4JF DB3EH JO42 (x6)
10m
UTC    dB Audio  Message
210945  -9  867  NP4JF SV2CLJ 73
214445  +0 2082  NP4JF IS0LJG JN40
191130  +4 2602  NP4JF IQ4JO JN63
191130  -6 1227  NP4JF I2XIP JN45 (x3)
192645  -7 2604  NP4JF IQ4JO JN63
192815 -16 2390  NP4JF SV1EKI KM18
192815  -6  691  NP4JF F4LZZ JN09 (x7)

Decoder S/N history by band

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