WP4U — FT8 station from Puerto Rico
Amateur radio station WP4U operating from Puerto Rico (grid square JO57). 433 FT8 spots received at SO8OO WebSDR, 12 CQ calls, active on 160m, 80m, 60m, 40m, 20m, over 14 days, best SNR +21 dB. Heard between 2026-04-20 and 2026-05-10.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
433
Total spots
12
CQ calls
14
Days active
-3 dB
Avg SNR
Bands
80m
20m
40m
60m
160m
First seen: 2026-04-20
Last seen: 2026-05-10 21:51 UTC
Last seen: 2026-05-10 21:51 UTC
Frequent QSO partners observed at SO8OO
Stations WP4U worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | WP4U | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-10 23:48 | 40m | - / +2 | KO4FQW | -10 / - | 2 | ✓ Confirmed |
| 05-10 23:47 | 40m | -19 / - | SA6CME | - / - | 6 | Partial |
| 05-10 23:45 | 40m | -5 / -5 | EC3A | -10 / -8 | 5 | ✓ Complete |
| 05-10 23:43 | 40m | - / -16 | VP8A | -6 / - | 4 | ✓ Confirmed |
| 05-10 23:37 | 40m | -12 / - | TA1SY | - / - | 2 | Partial |
| 05-10 23:35 | 40m | - / -25 | LU6EHM | -7 / - | 5 | Partial |
| 05-10 23:34 | 40m | - / -9 | DL9KM | -6 / - | 2 | Partial |
| 05-10 23:32 | 40m | - / - | VE1RSM | -8 / - | 2 | ✓ Confirmed |
| 05-10 23:31 | 40m | - / -8 | PP6BVM | -8 / - | 2 | Partial |
| 05-10 23:28 | 40m | - / -13 | YD6HMM | -10 / - | 2 | ✓ Confirmed |
| 05-10 23:25 | 40m | -4 / - | M0YHR | - / - | 2 | Partial |
| 05-10 23:23 | 40m | - / - | <...> | -8 / - | 2 | Partial |
| 05-10 23:11 | 40m | - / -7 | CE8TDO | -11 / - | 2 | ✓ Confirmed |
| 05-10 23:08 | 40m | - / -23 | VK9BSA | -11 / - | 4 | Partial |
| 05-10 23:04 | 40m | -9 / +2 | R2HP | -8 / -11 | 5 | ✓ Complete |
| 05-10 23:01 | 40m | - / -12 | YD2ALF | -8 / - | 6 | ✓ Confirmed |
| 05-10 22:57 | 40m | -21 / -18 | F6FHZ | -8 / - | 5 | ✓ Complete |
| 05-10 22:55 | 40m | -17 / - | R4FJ | -11 / -3 | 2 | ✓ Verified |
| 05-10 22:52 | 40m | -23 / -3 | RA3UAG | -8 / - | 6 | ✓ Complete |
| 05-10 22:51 | 40m | - / -13 | YD2ALF | -8 / - | 4 | Partial |
| 05-10 22:49 | 40m | -17 / - | F6FHZ | - / - | 4 | Partial |
| 05-10 22:48 | 40m | +4 / +1 | IZ8DBJ | -10 / -8 | 5 | ✓ Complete |
| 05-10 21:22 | 20m | - / - | <...> | +3 / - | 2 | Partial |
| 05-08 03:41 | 40m | - / -3 | DD0AM | -1 / - | 2 | ✓ Confirmed |
| 05-08 03:36 | 40m | - / -5 | <...> | -3 / - | 2 | Partial |
| 05-08 03:34 | 40m | - / -18 | UA3WG | -6 / - | 2 | Partial |
| 05-08 03:31 | 40m | - / -4 | AO4RKB | -5 / - | 5 | ✓ Confirmed |
| 05-08 03:28 | 40m | - / - | AO4RKB | -5 / - | 3 | Partial |
| 05-08 03:28 | 40m | -9 / -18 | RN6HK | -4 / - | 2 | Partial |
| 05-08 03:27 | 40m | +13 / +1 | 5B4AMM | -4 / - | 4 | ✓ Complete |
| 05-08 03:23 | 40m | - / -10 | <...> | -6 / - | 2 | Partial |
| 05-08 03:15 | 40m | -13 / - | <...> | -3 / -7 | 7 | Partial |
| 05-08 03:09 | 40m | -16 / +4 | SP7IIT | -2 / -8 | 8 | ✓ Complete |
| 05-08 03:07 | 40m | -9 / -18 | RN6HK | -1 / -7 | 6 | Partial |
| 05-08 03:06 | 40m | - / -7 | UG4P | -1 / - | 2 | ✓ Confirmed |
| 05-08 02:58 | 40m | - / - | <...> | -2 / - | 3 | Partial |
| 05-08 02:00 | 80m | +4 / -5 | LY3BRA | -12 / -13 | 4 | ✓ Complete |
| 05-08 01:57 | 80m | +13 / -5 | UW5KW | -20 / -13 | 6 | ✓ Complete |
| 05-08 01:52 | 80m | +4 / -14 | OK4SD | -21 / - | 6 | ✓ Verified |
| 05-08 01:51 | 80m | - / -4 | WK2H | -22 / - | 2 | ✓ Confirmed |
| 05-08 01:50 | 80m | +11 / -4 | DL5BWG | -21 / -9 | 7 | Partial |
| 05-08 01:49 | 80m | -1 / -9 | EW8AAC | -17 / -7 | 3 | Partial |
| 05-08 01:47 | 80m | +16 / - | DL5BWG | - / - | 3 | Partial |
| 05-08 01:46 | 80m | +7 / -14 | <...> | -12 / -16 | 3 | Partial |
| 05-07 03:44 | 40m | +4 / - | DL9KM | - / - | 4 | Partial |
| 05-07 03:41 | 40m | -1 / - | PI4DX | -13 / - | 4 | ✓ Verified |
| 05-07 03:41 | 40m | -9 / -18 | TA3NK | -12 / -7 | 9 | ✓ Complete |
| 05-07 03:35 | 40m | - / - | BH3MPM | -9 / - | 6 | Partial |
| 05-07 02:23 | 40m | - / - | T47FCR | 0 / - | 3 | Partial |
| 05-06 03:49 | 40m | -10 / - | 4X6FB | - / - | 2 | Partial |
Station Log
40m
UTC dB Freq Message 234615 -4 1605 WP4U EC3A -08 234630 -11 1227 EC3A WP4U R-05 234645 -4 1604 WP4U EC3A RR73 234700 -8 1228 EC3A WP4U 73 234715 -12 2028 WP4U IZ8PPI -04 234745 -19 2090 WP4U SA6CME JO57 234800 -10 1227 KO4FQW WP4U +02 234815 -18 2090 WP4U SA6CME JO57 234830 -10 1227 KO4FQW WP4U RR73 234845 -16 2090 WP4U SA6CME JO57 234915 -5 1990 WP4U PD4JVB JO21 234915 -17 2090 WP4U SA6CME JO57 234945 +14 408 WP4U IK4JQR JN54 235045 -23 1939 WP4U SA6CME JO57 (x2)
20m
UTC dB Freq Message 040900 -13 302 WP4U RY7F LN04 040915 +7 2417 RY7F WP4U +05 040930 -14 302 WP4U RY7F R-01 040945 +5 2417 RY7F WP4U RR73 041045 +1 2417 OM3WFH WP4U -14 041115 +7 2417 SP6VXO WP4U R-05 (x2) 041245 +4 1917 ES2DR WP4U RR73 024600 -1 1367 <...> WP4U R+00 (x2) 024830 -5 1196 UR5FFC WP4U -10 (x2) 212200 +2 997 <...> WP4U FK68 212215 -4 2325 WP4U LZ100LZ -02 212230 +4 997 <...> WP4U R+11
80m
UTC dB Freq Message 015345 -21 1013 OK4SD WP4U -14 015400 +6 1105 WP4U DL5BWG R-09 015415 -21 1013 OK4SD WP4U RR73 015430 +3 531 WP4U OK4SD 73 015430 +10 1012 WP4U DL5BWG JO72 015730 -17 1013 UW5KW WP4U FK68 (x2) 015815 +12 2189 WP4U UW5KW -13 015830 -18 1013 UW5KW WP4U R-05 015845 +14 2189 WP4U UW5KW RR73 015900 -24 1014 UW5KW WP4U 73 020030 +4 1228 WP4U LY3BRA -13 020045 -12 1013 LY3BRA WP4U R-05 020100 +5 1228 WP4U LY3BRA RR73 020115 -11 1013 LY3BRA WP4U 73
160m
UTC dB Freq Message 011600 +11 965 WP4U YU1LD KN04 (x6) 030100 +4 1422 WP4U IW4AOT -18 (x4) 023745 -19 1289 <...> WP4U FK68 (x5)
60m
UTC dB Freq Message 004515 -3 895 HB9SNR WP4U RR73 004530 +4 1003 WP4U HB9SNR 73 004615 -2 895 QRT WP4U FK68 004700 +0 1198 WP4U LZ1GC KN22 (x3) 035345 -8 2579 <...> WP4U FK68 035400 +10 1245 WP4U SX100PAOK -01 035400 +5 2694 WP4U OE5DML JN78 035430 +9 1245 <WP4U> SX100PAOK RR73 035430 +11 2694 WP4U OE5DML JN78 (x3) 035615 -16 1759 OE5DML WP4U RR73 035630 +6 2694 WP4U OE5DML 73