NP3DM — FT8 station from Puerto Rico

Puerto Rico Grid: FK68

Amateur radio station NP3DM operating from Puerto Rico (grid square FK68). 1,015 FT8 spots received at SO8OO WebSDR, 235 CQ calls, active on 160m, 40m, 20m, 10m, over 29 days, best SNR +22 dB. Heard between 2026-04-25 and 2026-06-15.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

1,015
Total spots
235
CQ calls
29
Days active
-9 dB
Avg SNR

Bands

20m 40m 10m 160m
First seen: 2026-04-25
Last seen: 2026-06-15 20:56 UTC

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandNP3DMPartnerPartner SNRMsgs
06-15 22:22 20m -5 / - PJ4BZL - / -8 3 ✓ Confirmed
06-14 23:26 20m -18 / - AI4JD - / -16 3 Partial
06-11 23:14 20m -7 / - R5AK - / - 2 Partial
06-05 07:20 20m -7 / - MW7KFZ - / - 3 Partial
06-05 07:20 20m -1 / - PD1DTH - / -24 9 Partial
06-05 07:12 20m -9 / - MW7KFZ - / - 4 Partial
06-05 06:28 20m -8 / - DA1VID - / - 2 Partial
06-05 03:07 20m -6 / - KI5ZYU - / -13 2 ✓ Confirmed
06-05 02:13 20m -9 / - N8EVR - / -14 8 Partial
06-05 01:17 20m -14 / - HK3X - / -18 3 ✓ Confirmed
06-04 23:48 20m -9 / - N3RF - / - 3 Partial
06-04 07:04 20m -17 / - ON4JMV - / -24 2 Partial
06-04 00:47 20m -6 / - DL9ATW - / - 2 Partial
06-04 00:25 160m -12 / - YU1LD - / - 13 Partial
06-03 23:05 20m +4 / - IQ7PU - / - 2 Partial
06-03 23:03 20m -16 / - PA0BTR - / - 2 Partial
06-03 22:26 20m -5 / - YT1UBN - / - 19 Partial
06-03 22:24 20m -2 / - DF5AH - / - 3 Partial
06-03 21:00 20m -9 / - G4SRT - / - 3 Partial
06-03 20:57 20m -2 / - S55A - / -3 2 Partial
06-03 20:50 20m -8 / - M8KHC - / -9 8 Partial
06-03 20:49 20m -2 / - R5AK - / - 2 Partial
06-03 06:46 20m -10 / - ON4JMV - / -17 2 Partial
06-03 04:15 20m +2 / - DL6LAG - / -21 6 Partial
06-03 03:23 20m +2 / - R7OV - / - 6 Partial
06-02 03:03 20m +2 / - RC8SC - / - 4 Partial
06-02 02:56 20m -15 / - R7OV - / -4 8 Partial
05-30 23:39 20m -6 / - EA4IMS - / - 2 Partial
05-30 23:11 20m -20 / - LZ3DX - / - 3 Partial
05-30 23:11 20m +12 / - RQ7O - / -17 5 ✓ Confirmed
05-30 22:18 20m +13 / - EA3CHO - / -21 4 Partial
05-30 22:13 20m +8 / - EA3CHO - / - 3 Partial
05-30 05:21 20m -19 / - F4JMX - / - 4 Partial
05-30 02:01 20m -13 / - EA7GHD - / -21 5 ✓ Confirmed
05-30 01:56 20m -13 / - EA7GHD - / - 4 Partial
05-29 23:56 20m -18 / - KP4TR - / -15 7 ✓ Confirmed
05-29 08:31 20m -13 / - PD5LDB - / -24 4 Partial
05-29 07:31 20m -4 / - IZ4AFM - / -21 3 ✓ Confirmed
05-29 07:25 20m -2 / - IZ4FTB - / -22 4 Partial
05-29 04:47 20m -3 / - R3AP - / -21 13 ✓ Confirmed
05-29 03:08 20m - / -16 K5NOC -20 / - 2 ✓ Confirmed
05-29 00:03 20m - / -9 AC2RL -19 / - 2 ✓ Confirmed
05-28 23:17 20m - / -16 KX7U -21 / - 2 Partial
05-28 22:48 20m +4 / - EA5JWB - / -8 6 Partial
05-28 22:31 20m -13 / - YU1BV - / -13 3 ✓ Confirmed
05-28 22:11 20m -19 / - CT7AUT - / -8 3 ✓ Confirmed
05-28 21:56 20m +12 / - SV5BYP - / - 2 Partial
05-28 06:35 20m +6 / - IK2JYT - / -9 3 Partial
05-28 05:52 20m -17 / - F4EDB - / -22 2 Partial
05-28 05:33 20m +4 / - R7OV - / - 4 Partial

Station Log

20m
UTC    dB  Freq  Message
072330  +1 2203  NP3DM PD1DTH R-24 (x3)
225245 -21 1546  CQ NP3DM FK68
231400  -9 1531  NP3DM R5AK KO85 (x2)
232600 -19 1818  NP3DM AI4JD EL97 (x3)
222230  -4 1855  NP3DM PJ4BZL FK52 (x3)
224945 -24 1855  CQ NP3DM FK68 (x3)
10m
UTC    dB  Freq  Message
202130 -23 1793  NP3DM XQ3SK FF46
160m
UTC    dB  Freq  Message
002515 -13 1772  NP3DM YU1LD KN04 (x13)
40m
UTC    dB  Freq  Message
201530  -2 1400  NP3DM DL6MBX JN58 (x2)

SNR History by Band