IK4ISR — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IK4ISR, decoded by SO8OO in southeastern Poland. 64 related FT8 messages, 1 CQ messages, observed on 40m, 20m, 10m, across 13 UTC dates. Heard between 2026-05-20 and 2026-08-18.
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 IK4ISR worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by IK4ISR
Approximate centre of JN54, decoded 2026-08-18 20:10 UTC. A transmitted locator is not proof of the operator's permanent location.
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 | IK4ISR S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-18 20:18 | 10m | - / - | IK4LZH | 0 / - | 4 | Partial capture |
| 08-18 20:14 | 10m | - / - | IK4LZH | -4 / - | 4 | Partial capture |
| 07-26 20:29 | 10m | -9 / - | CE3KLH | - / - | 3 | Partial capture |
| 07-26 20:23 | 10m | -4 / - | PU2GIN | - / - | 7 | Partial capture |
| 07-26 20:21 | 10m | -1 / - | PY9AA | - / +5 | 4 | Partial capture |
| 07-26 20:12 | 10m | -2 / +2 | LU4MAJ | -18 / -3 | 7 | ✓ Full exchange observed |
| 07-26 20:02 | 10m | +2 / - | PY2ERP | - / -13 | 2 | ✓ Closing fragment |
| 07-26 19:59 | 10m | +1 / - | PY4ZDC | - / -13 | 5 | ✓ Closing fragment |
| 07-26 19:57 | 10m | +2 / - | PY2ERP | - / - | 2 | Partial capture |
| 07-26 19:55 | 10m | +2 / - | PP5OB | - / - | 2 | ✓ Closing fragment |
| 07-25 20:02 | 10m | -10 / - | LU3CM | - / -13 | 4 | ✓ Closing fragment |
| 07-25 19:58 | 10m | -10 / - | PV8AJ | - / -5 | 3 | ✓ Closing fragment |
| 07-23 20:05 | 10m | - / -10 | PY7XC | -12 / - | 2 | ✓ Closing fragment |
| 07-05 15:12 | 10m | -5 / - | S79VU | - / -5 | 3 | Partial capture |
| 07-05 15:03 | 10m | +3 / - | DL9KM | - / - | 2 | ✓ Closing fragment |
| 07-05 15:02 | 10m | -2 / - | G3TKT | - / 0 | 2 | ✓ Closing fragment |
| 07-05 15:01 | 10m | 0 / - | HK4SAN | - / -12 | 2 | ✓ Closing fragment |
| 07-05 14:59 | 10m | +2 / - | YB1ICC | - / -8 | 2 | ✓ Closing fragment |
| 06-26 13:16 | 10m | -14 / - | PR2CC | - / -8 | 7 | Partial capture |
| 06-10 20:30 | 10m | - / -18 | CD4LVF | -18 / - | 6 | ✓ Closing fragment |
| 06-10 20:01 | 10m | 0 / - | CD4LVF | - / - | 3 | Partial capture |
| 06-07 18:49 | 10m | +6 / - | PU2UQW | - / - | 4 | Partial capture |
| 06-07 18:46 | 10m | +11 / - | PW8GTB | - / -12 | 3 | ✓ Closing fragment |
| 06-07 17:58 | 10m | -7 / - | PU7FEC | - / -7 | 3 | ✓ Closing fragment |
| 06-07 17:49 | 10m | -4 / - | PV8AJ | - / -1 | 2 | ✓ Closing fragment |
| 06-07 15:54 | 10m | - / -11 | PU3YFD | -22 / - | 2 | ✓ Closing fragment |
| 06-07 14:51 | 10m | - / -16 | PS8CW | -14 / - | 2 | Partial capture |
| 06-05 20:28 | 10m | - / -1 | CE2SV | 0 / - | 2 | ✓ Closing fragment |
| 06-05 19:58 | 10m | - / -15 | PS8CW | -12 / - | 2 | ✓ Closing fragment |
| 06-02 07:18 | 10m | +2 / - | EW6TW | - / - | 2 | Partial capture |
| 06-02 07:16 | 10m | -4 / - | LB2WD | - / -3 | 2 | ✓ Closing fragment |
| 05-31 21:18 | 20m | -8 / -9 | BI4IWL | -10 / -16 | 5 | ✓ Full exchange observed |
| 05-31 21:11 | 40m | +12 / - | ON3BLC | - / -8 | 2 | ✓ Closing fragment |
| 05-31 21:07 | 40m | +8 / - | A61OK | - / - | 2 | Partial capture |
| 05-31 21:04 | 40m | +7 / - | EX7CQ | - / -21 | 2 | Partial capture |
| 05-31 21:03 | 40m | +12 / - | EA2EED | - / -8 | 2 | ✓ Closing fragment |
| 05-31 21:01 | 40m | +7 / - | G3EFG | +3 / +1 | 4 | ✓ Closing observed |
| 05-31 21:00 | 40m | +9 / - | YL3CW | - / - | 2 | Partial capture |
| 05-31 20:57 | 40m | +5 / +1 | LB7XH | +3 / - | 2 | ✓ Closing observed |
| 05-28 19:44 | 10m | - / -21 | PY8ZB | -19 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 202630 -3 967 PU2GIN IK4ISR JN54 202900 -1 1030 CE3KLH IK4ISR JN54 (x3) 075530 -9 1714 3B9FR IK4ISR JN54 201015 -24 1569 PU2PFH IK4ISR JN54 201145 -5 492 IK4ISR IK4LZH JN54 (x9)
UTC dB Audio Message 211800 -10 2828 BI4IWL IK4ISR JN54 211815 -9 2827 IK4ISR BI4IWL -09 211830 -6 2829 BI4IWL IK4ISR R-16 211845 -12 2828 IK4ISR BI4IWL RR73 211900 -9 2828 BI4IWL IK4ISR 73
UTC dB Audio Message 205800 +5 813 LB7XH IK4ISR 73 210030 +9 812 YL3CW IK4ISR JN54 (x2) 210145 +6 813 G3EFG IK4ISR JN54 (x2) 210230 +3 740 IK4ISR G3EFG RR73 210245 +10 812 G3EFG IK4ISR 73 210345 +12 811 EA2EED IK4ISR R-08 (x2) 210445 +9 812 EX7CQ IK4ISR JN54 (x2) 210730 +7 812 A61OK IK4ISR JN54 (x2) 211145 +12 812 ON3BLC IK4ISR R-08 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.