SI4A — FT8 station from Sweden
Amateur radio station SI4A operating from Sweden (grid square JN44). 78 FT8 spots received at SO8OO WebSDR, 1 CQ calls, active on 80m, 60m, 40m, 20m, over 11 days, best SNR +11 dB. Heard between 2026-04-22 and 2026-05-25.
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Overview
78
Total spots
1
CQ calls
11
Days active
-9 dB
Avg SNR
Bands
80m
20m
40m
60m
First seen: 2026-04-22
Last seen: 2026-05-25 15:11 UTC
Last seen: 2026-05-25 15:11 UTC
Frequent QSO partners observed at SO8OO
Stations SI4A worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | SI4A | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-26 03:36 | 80m | - / - | HI4T | -24 / - | 2 | Partial |
| 05-25 17:00 | 20m | -18 / - | A41KB | - / -8 | 3 | ✓ Confirmed |
| 05-24 18:30 | 40m | - / - | EX8ABR/P | -10 / - | 2 | Partial |
| 05-23 07:56 | 10m | - / - | P29XZ | +4 / - | 6 | Partial |
| 05-22 14:06 | 10m | - / -2 | UT3KW | -8 / - | 2 | ✓ Confirmed |
| 05-22 14:04 | 10m | - / -13 | UR5WAI | -14 / - | 2 | ✓ Confirmed |
| 05-22 14:02 | 10m | - / -15 | S56A | -6 / - | 2 | ✓ Confirmed |
| 05-22 14:01 | 10m | - / -8 | F4IIX | -12 / - | 2 | ✓ Confirmed |
| 05-22 13:59 | 10m | - / - | 4U1ITU | -14 / - | 2 | ✓ Confirmed |
| 05-21 12:00 | 20m | -16 / -6 | F5MXH | -6 / -18 | 3 | ✓ Complete |
| 05-21 11:58 | 20m | - / -14 | 9A5AZK | -3 / - | 2 | Partial |
| 05-21 11:57 | 20m | - / +8 | HG8LXL | 0 / - | 2 | ✓ Confirmed |
| 05-21 11:55 | 20m | +10 / - | R7ZS | 0 / +10 | 5 | ✓ Complete |
| 05-20 20:22 | 60m | -6 / - | 9A1CCB | -19 / -14 | 4 | ✓ Verified |
| 05-20 20:20 | 60m | -18 / - | ES1REV | -17 / +2 | 2 | ✓ Verified |
| 05-20 20:20 | 60m | -11 / - | PA0EBG | - / -8 | 4 | ✓ Confirmed |
| 05-20 20:14 | 60m | - / -12 | TF3AK | -17 / - | 2 | ✓ Confirmed |
| 05-20 20:10 | 60m | -13 / - | EB3JT | -14 / -15 | 5 | ✓ Verified |
| 05-20 20:10 | 60m | -5 / - | PH2M | - / -10 | 4 | ✓ Confirmed |
| 05-20 20:09 | 60m | -18 / -5 | EC3A | -17 / -6 | 3 | ✓ Complete |
| 05-13 21:12 | 80m | - / -24 | TJ1GD | -6 / - | 11 | Partial |
| 05-13 17:13 | 40m | - / -23 | UI6O | -9 / - | 4 | Partial |
| 05-05 20:11 | 160m | - / - | TL8BNW | -14 / - | 3 | Partial |
| 05-02 21:56 | 60m | -16 / - | HB9HRR | - / - | 2 | Partial |
| 05-02 05:17 | 40m | -10 / -11 | YL2TM | -11 / +1 | 3 | Partial |
| 05-02 05:16 | 40m | - / -6 | EA5JK | -8 / - | 2 | Partial |
| 05-02 05:13 | 40m | - / -2 | SP9D | -10 / - | 2 | ✓ Confirmed |
| 05-02 05:12 | 40m | 0 / -1 | YO9PH | -6 / -2 | 4 | ✓ Complete |
| 05-02 05:11 | 40m | - / -13 | HK3YL | -12 / - | 2 | ✓ Confirmed |
| 05-01 19:49 | 60m | -2 / +3 | F5MXH | -18 / - | 3 | ✓ Verified |
| 05-01 19:48 | 60m | - / -8 | G8RZ | -18 / - | 2 | ✓ Confirmed |
| 05-01 19:47 | 60m | - / - | TA7MMI | -18 / - | 2 | Partial |
| 05-01 19:45 | 60m | - / - | 4L7T | -20 / - | 3 | Partial |
| 04-29 15:31 | 40m | - / - | <...> | -9 / - | 3 | Partial |
| 04-29 15:15 | 40m | - / - | <...> | -13 / - | 15 | Partial |
| 04-29 15:04 | 40m | - / - | RT9L/M | -11 / - | 6 | Partial |
| 04-29 15:02 | 40m | - / - | <...> | -9 / - | 4 | Partial |
| 04-29 15:02 | 40m | -12 / - | IK2ZJR | - / - | 7 | Partial |
| 04-29 14:56 | 40m | - / - | RT9L/M | -14 / - | 6 | Partial |
| 04-29 14:50 | 40m | - / - | <...> | -5 / - | 9 | Partial |
| 04-28 20:49 | 40m | -6 / +1 | RC1C | -8 / -5 | 4 | ✓ Complete |
| 04-28 20:39 | 60m | -8 / - | ES5RY | -15 / +2 | 5 | ✓ Complete |
| 04-28 15:08 | 20m | -15 / - | JA1IST | - / -18 | 3 | Partial |
| 04-28 15:06 | 20m | -24 / - | F6FHZ | - / - | 2 | Partial |
| 04-28 15:06 | 20m | +2 / - | RX3VF | - / - | 4 | ✓ Confirmed |
| 04-28 14:57 | 20m | -12 / - | RY6O | -22 / -1 | 4 | Partial |
| 04-26 20:12 | 60m | -3 / +2 | DK2CI | -13 / -5 | 5 | ✓ Complete |
| 04-26 20:09 | 60m | -10 / - | SM2OTU | - / -4 | 2 | Partial |
| 04-26 20:07 | 60m | - / - | TA2EE | -16 / - | 5 | Partial |
| 04-25 23:00 | 60m | - / -9 | 3X3A | -11 / - | 6 | ✓ Confirmed |
Station Log
80m
UTC dB Freq Message 014715 -11 2202 TJ1GD SI4A JO69 (x12) 032900 -20 1924 N7JB SI4A JO69 033630 -24 1579 HI4T SI4A JO69 (x2)
20m
UTC dB Freq Message 115630 +9 1815 SI4A R7ZS RR73 115645 +1 1674 R7ZS SI4A 73 115715 +0 1674 HG8LXL SI4A +08 (x2) 115845 -3 1674 9A5AZK SI4A -14 (x2) 120045 -5 1672 F5MXH SI4A -06 120100 -16 1672 SI4A F5MXH R-18 120145 -8 1672 F5MXH SI4A RR73 165945 -3 922 SI4A GB9SOS -12 170045 -18 1571 SI4A A41KB LL93 (x3) 170545 -19 1956 SI4A R4CKL 73 171115 -12 1516 SI4A IW1QBR JN44
40m
UTC dB Freq Message 051315 -9 973 SI4A R4FJ LO23 051330 -10 972 SP9D SI4A -02 (x2) 051630 -11 974 EA5JK SI4A R-06 (x2) 051745 -10 973 SI4A YL2TM +01 051800 -12 973 YL2TM SI4A R-11 (x2) 171315 -9 1219 UI6O SI4A JO69 (x4) 153045 -22 1992 SI4A <...> -16 183045 -11 1698 EX8ABR/P SI4A JO69 (x2)
10m
UTC dB Freq Message 140115 -12 1375 F4IIX SI4A -08 (x2) 140215 -6 1378 S56A SI4A -15 (x2) 140415 -16 1377 UR5WAI SI4A R-13 (x2) 140615 -8 1376 HA3TNJ SI4A RR73 140645 -10 1375 UT3KW SI4A -02 (x2) 075600 +3 1976 P29XZ SI4A JO69 (x6)
60m
UTC dB Freq Message 201230 -14 1149 EB3JT SI4A RR73 201245 -12 1148 SI4A EB3JT 73 201400 -18 1148 TF3AK SI4A -12 (x2) 202030 -18 1262 SI4A ES1REV +02 202030 -15 2030 SI4A PA0EBG -08 (x2) 202115 -17 1148 ES1REV SI4A 73 202130 -9 2030 SI4A PA0EBG -08 (x2) 202230 -8 1148 SI4A 9A1CCB JN85 (x2) 202315 -19 1149 9A1CCB SI4A RR73 202330 -5 1149 SI4A 9A1CCB 73 202500 -11 432 BA4RF SI4A JO69
160m
UTC dB Freq Message 200015 +0 2519 TL8BNW SI4A JO69 (x4)