I2SDD — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving I2SDD, decoded by SO8OO in southeastern Poland. 158 related FT8 messages, 50 CQ messages, observed on 80m, 40m, 20m, 10m, across 17 UTC dates. Heard between 2026-05-23 and 2026-08-16.
These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.
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Overview
Frequent QSO partners observed at SO8OO
Stations I2SDD worked most often, as logged from our receiver:
Activity Heatmap
Observed FT8 exchanges
S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.
| Time UTC | Band | I2SDD S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-16 23:24 | 20m | -17 / - | NP4TX | - / -16 | 6 | Partial capture |
| 08-16 23:22 | 20m | -14 / - | NH6L | - / -18 | 2 | Partial capture |
| 08-16 23:20 | 20m | -10 / - | HI8J | - / -10 | 2 | Partial capture |
| 08-16 23:16 | 20m | -16 / - | BA3NZ | - / -21 | 4 | ✓ Closing fragment |
| 08-16 23:09 | 20m | -13 / - | YN7DS | - / -11 | 10 | ✓ Closing fragment |
| 08-16 22:43 | 20m | -14 / - | BG4UCZ | - / -15 | 4 | Partial capture |
| 08-16 22:40 | 20m | -16 / - | JE4WOK | - / -19 | 3 | Partial capture |
| 08-16 22:30 | 20m | -9 / - | DS5USH | - / -14 | 7 | ✓ Closing fragment |
| 08-16 22:26 | 20m | -15 / - | VK3GE | - / -23 | 4 | Partial capture |
| 08-16 22:05 | 20m | -14 / - | BG7BMG | - / - | 2 | ✓ Closing fragment |
| 08-16 22:05 | 20m | -16 / - | BG7BVI | - / -12 | 8 | Partial capture |
| 08-16 21:52 | 20m | -16 / -19 | SV5BYP | -17 / -11 | 8 | ✓ Full exchange observed |
| 08-16 21:43 | 20m | -18 / - | CO8LY | - / -14 | 2 | Partial capture |
| 08-16 21:42 | 20m | -19 / - | VE9JMC | - / -14 | 2 | Partial capture |
| 08-16 21:09 | 20m | -16 / - | <...> | - / -13 | 3 | Partial capture |
| 08-15 23:26 | 80m | -13 / - | VP8A | - / -18 | 8 | Partial capture |
| 08-15 23:05 | 40m | - / -12 | RY3F | -18 / - | 4 | Partial capture |
| 08-14 21:25 | 20m | -19 / - | 4F3OM | - / -15 | 7 | Partial capture |
| 08-14 21:09 | 40m | - / +6 | DL1EDR | -10 / - | 3 | ✓ Closing fragment |
| 08-14 21:05 | 40m | -21 / - | DK4CH | -16 / - | 2 | ✓ Closing observed |
| 08-11 23:02 | 20m | -12 / - | TJ1GD | - / -15 | 9 | Partial capture |
| 08-11 21:44 | 20m | -15 / - | XU7O | - / -16 | 3 | ✓ Closing fragment |
| 08-07 22:54 | 20m | -21 / - | V31DL | - / -8 | 2 | Partial capture |
| 08-07 22:51 | 20m | -22 / - | RN6MA | - / +1 | 2 | ✓ Closing fragment |
| 08-07 22:39 | 20m | -18 / - | JA8CIB | - / -17 | 2 | Partial capture |
| 08-07 22:37 | 20m | -22 / - | 5Z4VJ | - / -4 | 2 | ✓ Closing fragment |
| 08-07 22:31 | 20m | -20 / - | BI1HJR | - / -19 | 2 | Partial capture |
| 08-07 22:20 | 80m | -18 / - | <...> | - / -11 | 3 | Partial capture |
| 08-07 22:17 | 80m | -10 / -10 | DL9KM | -8 / - | 8 | ✓ Closing observed |
| 08-07 22:16 | 80m | - / -19 | YO1BRANCUSI | +3 / - | 3 | ✓ Closing fragment |
| 08-07 21:57 | 40m | - / - | DB9LG | 0 / - | 6 | Partial capture |
| 08-07 21:55 | 40m | - / -16 | T77WD | -20 / - | 4 | ✓ Closing fragment |
| 08-07 21:10 | 40m | -18 / - | RN6MA | -12 / - | 2 | ✓ Closing observed |
| 08-07 21:08 | 40m | - / -5 | DL1IP | -9 / - | 3 | ✓ Closing fragment |
| 08-07 21:04 | 20m | -13 / - | JH8SIT | - / -12 | 2 | Partial capture |
| 08-07 20:59 | 20m | -16 / - | JF1UVJ | - / -19 | 2 | Partial capture |
| 08-07 20:58 | 20m | -14 / - | JF2HPA | - / -19 | 2 | Partial capture |
| 07-29 21:54 | 40m | -21 / - | RA0AG | - / -21 | 3 | Partial capture |
| 07-29 21:44 | 40m | -22 / - | VK5GR | - / - | 2 | Partial capture |
| 07-29 21:41 | 40m | - / -8 | F1PBZ | -10 / - | 2 | ✓ Closing fragment |
| 07-29 20:57 | 20m | -22 / - | JH7DMH | - / -15 | 2 | Partial capture |
| 07-25 20:13 | 20m | - / -6 | TK4VXL | -2 / - | 2 | ✓ Closing fragment |
| 07-25 20:09 | 20m | -18 / - | JA1PSS | - / -14 | 2 | Partial capture |
| 07-25 20:05 | 20m | -21 / - | JA5ROH/P | - / -18 | 3 | ✓ Closing fragment |
| 07-24 19:59 | 20m | -16 / - | Z62NS | - / -14 | 5 | Partial capture |
| 07-24 19:52 | 20m | -12 / - | RW0IM | - / -18 | 2 | Partial capture |
| 07-24 19:50 | 20m | -15 / - | UN0GY | - / -19 | 3 | Partial capture |
| 07-22 22:48 | 80m | -1 / +3 | IN3WZS | -6 / +4 | 6 | ✓ Full exchange observed |
| 07-22 22:48 | 80m | -8 / -14 | OK9DMR | -18 / -19 | 11 | ✓ Full exchange observed |
| 07-14 18:38 | 20m | -16 / - | TA3ZGR | - / -8 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 231615 -17 988 BA3NZ I2SDD -21 (x4) 232045 -10 899 HI8J I2SDD -10 (x2) 232215 -16 899 NH6L I2SDD -18 (x2) 232415 -17 1104 NP4TX I2SDD -16 (x6) 232715 -14 1103 HI8J I2SDD -15
UTC dB Audio Message 221900 +0 2270 I2SDD YO1BRANCUSI RR73 221900 -7 1837 I2SDD DL9KM R-10 221915 -10 1122 DL9KM I2SDD RR73 221930 -7 1837 I2SDD DL9KM 73 222045 -19 1122 <...> I2SDD -11 (x3) 232600 -10 943 VP8A I2SDD -18 (x8)
UTC dB Audio Message 215745 +2 439 I2SDD DB9LG JO40 (x5) 210500 -21 1346 DK4CH I2SDD RR73 210515 -16 1345 I2SDD DK4CH 73 210715 -12 1346 I2SDD SM7JKW 73 210915 -12 1344 I2SDD DL1EDR JO41 (x3) 230530 -17 1297 I2SDD RY3F -12 (x4)
UTC dB Audio Message 183245 -19 1134 Z62NS I2SDD +04 183715 -19 1132 EA8UP I2SDD -05 092745 -17 1083 I2SDD OZ5AGJ JO47 (x2) 094600 -11 1133 I2SDD DL1THB 73 201645 -17 1595 PV8AJ I2SDD -14 202045 -20 1466 HI8UD I2SDD -14
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.