ZW5B — FT8 station from Brazil
Amateur radio station ZW5B operating from Brazil (grid square JN47). 742 FT8 spots received at SO8OO WebSDR, 30 CQ calls, active on 80m, 60m, 40m, 20m, 10m, over 49 days, best SNR +26 dB. Heard between 2026-04-29 and 2026-07-28.
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Overview
742
Total spots
30
CQ calls
49
Days active
-3 dB
Avg SNR
Bands
80m
20m
40m
60m
10m
First seen: 2026-04-29
Last seen: 2026-07-28 19:54 UTC
Last seen: 2026-07-28 19:54 UTC
Frequent QSO partners observed at SO8OO
Stations ZW5B worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | ZW5B | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-28 21:50 | 80m | -13 / - | OE9HGV | - / - | 8 | Partial |
| 07-28 21:47 | 80m | +8 / - | OZ1KZX | - / - | 2 | Partial |
| 07-28 21:45 | 80m | -2 / - | OH2FQV | - / -15 | 2 | ✓ Confirmed |
| 07-28 21:42 | 80m | -10 / - | DG4BZ | - / - | 15 | Partial |
| 07-28 21:42 | 80m | -14 / - | DL1BJL | - / - | 8 | Partial |
| 07-28 21:42 | 80m | +15 / - | OH6O | - / -6 | 5 | ✓ Confirmed |
| 07-28 21:41 | 80m | +22 / - | OH3NXW | - / -10 | 4 | ✓ Confirmed |
| 07-28 21:40 | 80m | +10 / - | RC6OD | - / -18 | 2 | ✓ Confirmed |
| 07-28 21:38 | 80m | +5 / - | LB7ZG | - / -9 | 3 | ✓ Confirmed |
| 07-28 21:38 | 80m | -10 / - | OE9HGV | - / - | 3 | Partial |
| 07-28 21:38 | 80m | +1 / - | DO1OAS | - / -19 | 2 | Partial |
| 07-28 21:38 | 80m | -3 / - | SM3XGV | - / -9 | 9 | ✓ Confirmed |
| 07-24 20:58 | 40m | -18 / - | S50PV | - / - | 3 | Partial |
| 07-24 20:58 | 40m | -14 / - | YT1VDA | - / -13 | 3 | ✓ Confirmed |
| 07-24 20:54 | 40m | -20 / - | S50PV | - / - | 4 | Partial |
| 07-24 20:53 | 40m | -14 / - | PD2V | - / -11 | 2 | ✓ Confirmed |
| 07-18 22:17 | 80m | -21 / - | DL2DBR | - / - | 3 | Partial |
| 07-18 22:11 | 80m | -24 / - | DL2DBR | - / - | 4 | Partial |
| 07-18 22:11 | 80m | +9 / - | SP2LLP | - / -22 | 5 | ✓ Confirmed |
| 07-16 19:23 | 20m | -14 / -4 | EA4GVT | -7 / - | 3 | ✓ Verified |
| 07-16 19:23 | 20m | - / -20 | SP2DPK | -6 / - | 2 | Partial |
| 07-16 19:21 | 20m | -4 / -11 | RA4NCC | -7 / -16 | 4 | ✓ Complete |
| 07-16 19:16 | 20m | - / -2 | ZC4RH | -11 / - | 4 | ✓ Confirmed |
| 07-14 20:06 | 20m | -20 / - | ZC4RH | -5 / -6 | 6 | Partial |
| 07-12 18:08 | 20m | -7 / - | EA5IT | - / - | 3 | Partial |
| 07-08 21:08 | 20m | - / -13 | T22TT | -8 / - | 5 | ✓ Confirmed |
| 06-30 20:30 | 20m | -9 / - | F6KKR | - / - | 3 | Partial |
| 06-30 20:28 | 20m | - / -1 | DL1RI | -7 / - | 3 | ✓ Confirmed |
| 06-30 20:27 | 20m | -10 / - | F6KKR | - / - | 2 | Partial |
| 06-30 20:24 | 20m | - / -21 | 3A2MW | -8 / - | 6 | ✓ Confirmed |
| 06-30 02:32 | 80m | - / -14 | <...> | -10 / - | 3 | Partial |
| 06-29 02:40 | 80m | -12 / - | IU8QTX | - / - | 4 | Partial |
| 06-29 02:37 | 80m | - / -13 | <...> | -10 / - | 3 | Partial |
| 06-27 02:43 | 60m | -16 / - | DK7ZT | - / -12 | 3 | Partial |
| 06-27 02:24 | 60m | 0 / - | OE5DML | - / - | 2 | Partial |
| 06-26 20:59 | 80m | +6 / - | DL1HDL | - / - | 4 | Partial |
| 06-26 20:57 | 80m | +3 / - | EA3RR | - / - | 9 | Partial |
| 06-26 20:56 | 80m | - / - | EA9PB | -9 / - | 5 | Partial |
| 06-26 20:56 | 80m | +16 / - | OH5LF | - / - | 4 | Partial |
| 06-26 20:55 | 80m | +4 / - | R3EDX | - / -14 | 4 | Partial |
| 06-26 20:53 | 80m | -1 / - | R5BS | - / - | 4 | Partial |
| 06-26 20:53 | 80m | +3 / -14 | IZ5ILK | -21 / -8 | 6 | ✓ Complete |
| 06-26 20:52 | 80m | +5 / -22 | IZ3KUS | -20 / -11 | 5 | Partial |
| 06-26 20:51 | 80m | +6 / - | IW7DVM | - / - | 2 | Partial |
| 06-26 20:51 | 80m | +4 / -14 | TA1BM | -22 / -22 | 8 | ✓ Complete |
| 06-25 21:30 | 20m | - / +3 | PI4DX | +5 / - | 5 | ✓ Confirmed |
| 06-25 19:55 | 20m | -15 / - | RA3ZDU | - / - | 2 | Partial |
| 06-25 19:53 | 20m | - / -17 | 3A2MW | -7 / - | 5 | ✓ Confirmed |
| 06-22 20:42 | 20m | - / -12 | OK1UG | -14 / - | 2 | ✓ Confirmed |
| 06-22 20:40 | 20m | - / -5 | BA8BLK | -14 / - | 3 | ✓ Confirmed |
Station Log
80m
UTC dB Freq Message 214815 -13 827 ZW5B DG4BZ JO42 214815 +2 2468 ZW5B OZ1KZX JO57 214915 -3 827 ZW5B DG4BZ JO42 (x2) 215045 -9 1457 ZW5B OE9HGV JN47 (x2) 215115 -9 827 ZW5B DG4BZ JO42 215145 -12 1457 ZW5B OE9HGV JN47 215145 -11 827 ZW5B DG4BZ JO42 215215 -12 1457 ZW5B OE9HGV JN47 215215 -10 827 ZW5B DG4BZ JO42 215245 -17 1457 ZW5B OE9HGV JN47 (x4)
40m
UTC dB Freq Message 015615 -4 2285 DL6LG ZW5B -21 (x2) 205145 -19 1818 TJ1GD/P ZW5B -12 205330 -14 2094 ZW5B PD2V -11 (x2) 205415 -19 1322 ZW5B S50PV JN76 (x4) 205800 -15 1652 ZW5B YT1VDA KN04 205830 -19 1299 ZW5B S50PV JN76 205830 -13 1653 ZW5B YT1VDA R-13 205900 -18 1299 ZW5B S50PV JN76 205900 -14 1653 ZW5B YT1VDA 73 205930 -16 1299 ZW5B S50PV JN76
10m
UTC dB Freq Message 130200 -16 2438 PV8AA ZW5B GG54 114245 -20 1123 DG2NBN ZW5B GG54 193745 -14 936 E51WL ZW5B GG54 (x3) 154200 -24 1666 BA5DX ZW5B -02 (x2) 155200 -20 2158 3A2MW ZW5B GG54 155415 -8 1221 ZW5B RZ3DJ KO85 155430 -20 2157 3A2MW ZW5B GG54 155445 -7 1222 ZW5B RZ3DJ KO85 155700 -21 2158 3A2MW ZW5B GG54 160115 -24 1471 ZW5B UT2HC KN79 (x2) 175830 -10 1898 ZW5B IZ7UIU JN80
20m
UTC dB Freq Message 200815 -5 2460 ZC4RH ZW5B GG54 200830 -20 1596 ZW5B ZC4RH -06 191630 -13 2357 ZC4RH ZW5B GG54 (x4) 192145 -4 2793 ZW5B RA4NCC LO68 192200 -8 2507 RA4NCC ZW5B -11 192215 -5 2793 ZW5B RA4NCC R-16 192230 -6 2508 RA4NCC ZW5B RR73 192300 -8 2507 SP2DPK ZW5B -20 192315 -11 2226 ZW5B EA4GVT IN70 192330 -5 2506 SP2DPK ZW5B -20 192430 -7 2507 EA4GVT ZW5B -04 192615 -18 2225 ZW5B EA4GVT 73
60m
UTC dB Freq Message 234030 -5 328 ZW5B PA4PA JO22 234030 -15 1288 ZW5B EB1LA IN73 234030 -5 2071 ZW5B EA1CQ IN83 234100 +2 2482 ZW5B PE1NPS JO22 (x2) 022330 -9 639 ZW5B FP/KV1J +07 022430 +0 2469 ZW5B OE5DML JN78 (x3) 024330 -13 1900 ZW5B DK7ZT -12 (x2) 024430 -4 383 ZW5B SP4NKJ KO13 024430 -16 1900 ZW5B DK7ZT -12 024630 -14 2085 ZW5B OE5DML JN78 024730 -18 1900 ZW5B DK7ZT RR73