KP4U — FT8 station from Puerto Rico
Amateur radio station KP4U operating from Puerto Rico. 137 FT8 spots received at SO8OO WebSDR, 16 CQ calls, active on 160m, 60m, 40m, 20m, 10m, over 9 days, best SNR +17 dB. Heard between 2026-04-20 and 2026-05-04.
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Overview
137
Total spots
16
CQ calls
9
Days active
-4 dB
Avg SNR
Bands
20m
40m
60m
10m
160m
First seen: 2026-04-20
Last seen: 2026-05-04 00:54 UTC
Last seen: 2026-05-04 00:54 UTC
Frequent QSO partners observed at SO8OO
Stations KP4U worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | KP4U | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-03 00:31 | 40m | 0 / - | HB9GVH | - / - | 2 | Partial |
| 05-02 04:11 | 20m | +16 / - | R9AL | - / -14 | 2 | Partial |
| 05-02 04:07 | 20m | -16 / - | HB9DVZ | - / - | 2 | Partial |
| 05-01 01:07 | 60m | -5 / - | DL5ZW | - / -11 | 3 | ✓ Confirmed |
| 05-01 01:06 | 60m | -8 / - | AA1NK | - / - | 4 | Partial |
| 05-01 01:05 | 60m | +1 / - | DL3EL | - / -16 | 3 | ✓ Confirmed |
| 05-01 01:03 | 60m | -3 / - | DL5ZR | - / -12 | 3 | ✓ Confirmed |
| 05-01 00:57 | 60m | +5 / - | OP9T | - / - | 3 | Partial |
| 05-01 00:56 | 60m | -10 / - | CT7AUT | - / -7 | 4 | ✓ Confirmed |
| 05-01 00:55 | 60m | -18 / - | WK2M | - / -2 | 2 | Partial |
| 05-01 00:50 | 60m | +16 / - | HB9DVO | - / -18 | 5 | ✓ Confirmed |
| 04-30 02:03 | 20m | - / -11 | WV4F | -12 / - | 9 | Partial |
| 04-30 02:01 | 20m | - / -10 | UR4QWW | -17 / - | 2 | ✓ Confirmed |
| 04-30 01:58 | 20m | - / +1 | N5EYT | -14 / - | 2 | ✓ Confirmed |
| 04-30 01:57 | 20m | - / -13 | PD1HPB | -12 / - | 2 | ✓ Confirmed |
| 04-30 01:53 | 20m | -21 / -12 | HK3AB | -10 / - | 3 | ✓ Verified |
| 04-30 01:49 | 20m | - / -9 | DL4GCJ | -13 / - | 3 | Partial |
| 04-30 01:47 | 20m | - / -24 | KL7HRO | -14 / - | 2 | Partial |
| 04-30 01:41 | 20m | - / -12 | KL7HRO | -11 / - | 2 | Partial |
| 04-30 01:35 | 40m | +5 / - | RZ6HBF | - / -18 | 2 | ✓ Confirmed |
| 04-30 01:32 | 40m | - / -13 | KE2CUR | -20 / - | 3 | Partial |
| 04-30 01:28 | 40m | - / -13 | KE9CKM | -20 / - | 3 | ✓ Confirmed |
| 04-30 01:22 | 40m | - / -17 | KR4GRW | -22 / - | 2 | ✓ Confirmed |
| 04-30 01:19 | 40m | - / -6 | KS4RF | -16 / - | 2 | ✓ Confirmed |
| 04-30 00:57 | 40m | -8 / - | UB4CJS | - / -15 | 2 | ✓ Confirmed |
| 04-30 00:52 | 40m | +6 / - | R5DT | - / -12 | 3 | ✓ Confirmed |
| 04-30 00:49 | 40m | -20 / - | M0RBD | - / - | 2 | ✓ Confirmed |
| 04-29 23:41 | 60m | +9 / - | OE3OOG | - / - | 3 | Partial |
| 04-29 23:19 | 60m | +11 / - | G4IFX | - / - | 2 | Partial |
| 04-29 23:10 | 60m | +7 / - | IK1MNJ | - / -16 | 3 | ✓ Confirmed |
| 04-29 23:09 | 60m | -5 / - | PA3KUS | - / -20 | 2 | Partial |
| 04-29 23:08 | 60m | +8 / - | DL1RWN | - / - | 2 | Partial |
| 04-29 23:04 | 60m | +8 / - | BA4RF | - / -23 | 3 | ✓ Confirmed |
| 04-29 23:04 | 60m | -10 / - | CE2SV | - / -18 | 5 | ✓ Confirmed |
| 04-29 23:00 | 60m | -1 / - | YL2QG | - / -10 | 2 | ✓ Confirmed |
| 04-29 22:58 | 60m | -8 / - | OR0A | - / -15 | 2 | ✓ Confirmed |
| 04-29 22:57 | 60m | -5 / - | CT1FMX | - / - | 3 | Partial |
| 04-29 22:54 | 60m | +10 / - | LY7Z | - / -16 | 3 | ✓ Confirmed |
| 04-29 01:21 | 40m | -1 / - | UA9SHH | - / - | 3 | Partial |
| 04-29 01:16 | 40m | 0 / - | R5DC | - / -12 | 5 | ✓ Confirmed |
| 04-24 02:47 | 40m | -10 / - | R7OV | - / - | 4 | Partial |
| 04-24 02:23 | 40m | -5 / - | R3KKG | - / - | 6 | Partial |
| 04-24 02:18 | 40m | +7 / - | R3KKG | - / - | 2 | Partial |
| 04-24 02:14 | 40m | +9 / - | R3KKG | - / - | 2 | Partial |
| 04-24 02:06 | 40m | -6 / - | RK4FV | - / -18 | 7 | ✓ Confirmed |
| 04-24 02:06 | 40m | -4 / - | R6OK | - / - | 2 | Partial |
| 04-24 02:06 | 40m | -18 / - | R7OV | - / - | 2 | Partial |
| 04-21 01:02 | 160m | +2 / - | DJ3GZ | - / -15 | 3 | ✓ Confirmed |
Station Log
160m
UTC dB Freq Message 010230 +2 2129 KP4U DJ3GZ JN47 (x3) 015330 -17 820 KP4U ON6AA JO11 025430 +5 2103 KP4U DF6PW RR73
10m
UTC dB Freq Message 180300 -19 2281 KP4U EA8DIB IL18
40m
UTC dB Freq Message 012845 -20 1235 KE9CKM KP4U -13 (x3) 013215 -20 1235 KE2CUR KP4U -13 (x3) 013445 -21 1235 CQ KP4U FK68 a1 013530 +4 1235 KP4U RZ6HBF R-18 (x2) 234400 -9 1235 KP4U IN3LHF RR73 235830 +7 636 KP4U IU1TLV JN35 002800 +1 1234 KP4U RP81OZR R-17 003100 +2 942 KP4U HB9GVH JN47 (x2) 003230 -21 1233 KP4U CR7CBH IM59
20m
UTC dB Freq Message 035045 -5 264 CQ KP4U FK68 035115 -11 265 F4MGP KP4U -02 035745 -10 265 CQ KP4U FK68 (x5) 040245 -18 264 F4CQS KP4U R+04 040345 -12 265 RZ6ALZ KP4U -11 040545 -13 265 RA4ABI KP4U R-03 040700 -14 1439 KP4U HB9DVZ JN47 (x2) 040745 -11 265 SP6VXO KP4U R-10 041100 +16 2547 KP4U R9AL -14 (x2)
60m
UTC dB Freq Message 005800 +5 427 KP4U OP9T JO21 005830 -12 1467 KP4U CT7AUT IM67 010330 -10 1697 KP4U DL5ZR JO40 (x3) 010530 +1 1430 KP4U DL3EL JO40 (x2) 010600 -7 2952 KP4U AA1NK FN42 010630 +0 1430 KP4U DL3EL 73 010630 -7 2952 KP4U AA1NK FN42 (x2) 010730 -7 1724 KP4U DL5ZW JO40 010730 -9 2952 KP4U AA1NK FN42 010800 -1 1724 KP4U DL5ZW R-11 (x2)