KP4SMC — FT8 station from Puerto Rico

Puerto Rico Grid: ?

Amateur radio station KP4SMC operating from Puerto Rico. 157 FT8 spots received at SO8OO WebSDR, 22 CQ calls, active on 40m, 20m, 10m, over 16 days, best SNR +18 dB. Heard between 2026-04-26 and 2026-06-28.

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

Overview

157
Total spots
22
CQ calls
16
Days active
-5 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-26
Last seen: 2026-06-28 05:11 UTC

Frequent QSO partners observed at SO8OO

Stations KP4SMC worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandKP4SMCPartnerPartner SNRMsgs
06-28 06:59 20m -10 / - GI4OGS - / - 2 Partial
06-21 22:17 20m -4 / - CR7BRV - / -6 2 ✓ Confirmed
06-15 02:06 20m -8 / - SV9TLU -17 / -17 4 Partial
06-13 19:45 10m +5 / - F1PBZ - / -18 4 Partial
06-10 22:21 10m +3 / - GW8DX - / -22 2 ✓ Confirmed
06-08 06:50 20m +1 / - IK4LZH - / -16 2 ✓ Confirmed
06-07 21:19 10m -16 / - F6BTP - / - 2 Partial
06-07 21:15 10m -9 / - G4SJX - / -11 3 ✓ Confirmed
06-07 19:35 10m -9 / - IU5TQG - / -17 3 Partial
06-07 19:31 10m -11 / - LU1EEP - / -9 5 ✓ Confirmed
05-31 05:50 20m - / -22 HB9GNL -24 / - 2 Partial
05-31 05:46 20m -4 / - IU0QDT - / - 2 Partial
05-31 05:12 20m +11 / -18 SV5BYP -20 / -18 6 Partial
05-31 05:10 20m - / -18 SQ8GKT -20 / - 2 Partial
05-24 19:57 10m +16 / - UA6YW - / -16 2 ✓ Confirmed
05-24 19:20 10m - / - <...> -14 / - 2 Partial
05-17 01:32 40m -15 / - KP4FRA - / +2 2 ✓ Confirmed
05-15 22:50 40m - / - Z62NS -8 / - 2 Partial
05-15 20:15 20m - / - KP4FRA -16 / - 2 Partial
05-15 20:12 20m -2 / -13 EB1ESY -17 / -9 3 Partial
05-14 22:57 40m -16 / - EC3A - / -11 3 ✓ Confirmed
05-14 22:56 40m -2 / - UN8FR - / - 3 Partial
05-14 22:53 40m +14 / -7 DK2DB -20 / -14 6 ✓ Complete
05-14 22:50 40m -5 / - DF1KBN - / -14 3 ✓ Confirmed
05-14 22:48 40m 0 / - 8S2A - / -12 2 ✓ Confirmed
05-14 22:31 40m -2 / - EG1PIC - / -12 3 ✓ Confirmed
05-11 22:27 20m -6 / - UA3AGW - / +4 2 ✓ Confirmed
05-11 22:24 20m - / - KP4FRA -11 / - 2 Partial
05-11 06:13 20m +9 / - F5IXN - / - 4 Partial
05-11 06:08 20m - / -9 IZ3CIX -8 / - 2 Partial
05-11 06:00 20m 0 / - SV5BYP - / -15 5 Partial
05-11 05:56 20m +2 / - SV5BYP - / - 4 Partial
05-11 05:24 20m - / - E75AA -10 / - 2 Partial
05-11 05:21 20m - / -15 IU1VJP -6 / - 5 ✓ Confirmed
05-11 05:18 20m - / -13 UR7MA -5 / - 2 ✓ Confirmed
05-11 05:16 20m - / -11 YO4FZV -10 / - 2 ✓ Confirmed
05-11 05:13 20m - / -25 F1RHX -6 / - 2 ✓ Confirmed
05-11 05:07 20m - / -11 N9KIW -10 / - 6 Partial
05-11 04:59 20m - / -2 F6EXV -12 / - 4 ✓ Confirmed
05-11 04:56 20m - / -9 N7BKW -18 / - 2 ✓ Confirmed
05-11 04:48 20m - / -11 KC2RAI -8 / - 5 Partial
05-11 04:39 20m - / -10 YO4CPO -6 / - 2 Partial
05-11 04:37 20m - / -11 EB5RR -12 / - 2 Partial
05-11 04:09 20m -6 / - RA4ABH - / - 4 Partial
05-10 23:38 40m -24 / - RX9WM - / - 3 Partial
05-10 23:35 40m -5 / - EB3JT - / -16 3 ✓ Confirmed
05-10 04:41 20m -9 / - PD0WC - / - 3 Partial
05-10 04:01 20m -22 / - VE6RLZ -22 / -14 2 Partial
05-03 19:15 20m +3 / - TN8GD - / -13 4 ✓ Confirmed
04-26 04:36 20m -20 / - SP9JZU - / -16 2 Partial

Station Log

20m 
UTC    dB  Freq  Message
055045 -24 1982  HB9GNL KP4SMC R-22 (x2)
065045  +1  462  KP4SMC IK4LZH R-16 (x2)
015915 -20 2321  <...> KP4SMC FK68
020600 -17 2321  SV9TLU KP4SMC FK68
020615  -9 2573  KP4SMC SV9TLU -17 (x3)
054430 -14 1006  KP4SMC N3RC -03
221730  -4  675  KP4SMC CR7BRV -06 (x2)
065945 -16 2304  KP4SMC GI4OGS IO64 (x2)
071100 -13 2044  KP4SMC EC3A -14
10m 
UTC    dB  Freq  Message
200730 -23 2054  KP4SMC IZ8PPI -19
203600 -17 2287  KP4SMC PP5OB GG53
211500 -10 2224  KP4SMC G4SJX IO92 (x3)
211900 -17 2287  KP4SMC F6BTP JN09 (x2)
214000 -13 2285  KP4SMC CA2VJM FG40
221645 -20 1963  KP4SMC G0FWX -14
222115  +3 2564  KP4SMC GW8DX -22 (x2)
194515  +2 2688  KP4SMC F1PBZ -18 (x4)
40m 
UTC    dB  Freq  Message
225415 +14 2667  KP4SMC DK2DB R-14
225430 -23 2380  DK2DB KP4SMC RR73
225445 +13 2667  KP4SMC DK2DB 73
225530 -18 2381  YO6LM KP4SMC -19
225645  -4 2898  KP4SMC UN8FR MO82 (x3)
225745 -16 1813  KP4SMC EC3A -11 (x3)
215315  -1 1999  KP4SMC IW0RLC JN63
225045  -8 2965  Z62NS KP4SMC FK68 (x2)
013245 -15 1384  KP4SMC KP4FRA +02 (x2)

SNR History by Band