IK7YZB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving IK7YZB, decoded by SO8OO in southeastern Poland. 583 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 36 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-20.
These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.
SO8OO decoded 583 FT8 messages attributed to IK7YZB as the transmitting token by decoded message structure across 36 UTC dates in the available aggregate history. The largest monitored-band total was 10 m (86%), followed by 20 m (13%) and 80 m (1%). Most decodes (75%) fell within the six-hour window 11:00-17:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (63%); the estimated median was -6 dB.
Overview
Bands
Last attributed message: 2026-09-20 05:24 UTC
Observed FT8 message patterns
- Attributed sample
- 583 messages
- Active dates
- 36 UTC dates
- Estimated median S/N
- -6 dB
- Estimated 10th-90th percentile
- -15 to +2 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 57, moderate (-15 to -9 dB) 156, strong (≥ -8 dB) 370.
WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with IK7YZB in decoded directed-looking exchanges:
Attributed messages by UTC hour
Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.
Most frequent locator attributed to IK7YZB
The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.
- Attributed locator
- JN80 · 272 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,114 km (approx.)
- Last such locator decoded
- 2026-09-20 05:24 UTC
A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.
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 | IK7YZB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-21 06:40 | 40m | - / -11 | HA7TM | +19 / - | 3 | ✓ Closing fragment |
| 09-21 06:25 | 40m | - / -14 | DJ0MAB | +8 / - | 2 | ✓ Closing fragment |
| 09-20 06:27 | 40m | - / +5 | GJ0KYZ | -2 / - | 2 | ✓ Closing fragment |
| 09-13 18:26 | 80m | -14 / -11 | SN40KZE | -3 / -7 | 3 | Partial capture |
| 09-13 18:22 | 80m | - / -3 | LZ2SM | 0 / - | 2 | ✓ Closing fragment |
| 09-12 17:20 | 40m | - / -7 | 9A6KFA | +8 / - | 3 | ✓ Closing fragment |
| 08-29 16:14 | 20m | - / -2 | M7OKF | -21 / - | 2 | Partial capture |
| 08-28 06:36 | 20m | +10 / - | TA1MB | - / -6 | 2 | Partial capture |
| 08-28 06:31 | 20m | +12 / -7 | UT4QM | +13 / -10 | 5 | ✓ Full exchange observed |
| 08-27 06:01 | 20m | -14 / -17 | VK2AAI | -16 / -21 | 4 | ✓ Full exchange observed |
| 08-27 05:44 | 20m | +6 / - | DC1KN | - / -4 | 2 | ✓ Closing fragment |
| 08-27 05:33 | 20m | +2 / -14 | TA2PCB | -12 / -13 | 4 | ✓ Full exchange observed |
| 08-23 16:14 | 10m | -1 / - | XQ1KK | - / -10 | 3 | Partial capture |
| 08-23 16:09 | 10m | 0 / - | EA8DSX | - / -15 | 2 | ✓ Closing fragment |
| 08-23 16:01 | 10m | -4 / - | 3B9FR | - / -21 | 3 | Partial capture |
| 08-23 15:26 | 10m | -7 / - | DG3AI | - / -17 | 3 | ✓ Closing fragment |
| 08-23 15:11 | 10m | -6 / - | DO1OAS | - / -8 | 2 | ✓ Closing fragment |
| 08-23 15:08 | 10m | -4 / - | XQ3MCC | - / -14 | 2 | Partial capture |
| 08-23 15:05 | 10m | -8 / - | N2NDV | - / -16 | 2 | Partial capture |
| 08-23 15:00 | 10m | -10 / - | SP9CKS | - / 0 | 2 | ✓ Closing fragment |
| 08-23 14:59 | 10m | -10 / - | DN9MRB | - / -2 | 2 | Partial capture |
| 08-23 06:25 | 20m | -10 / - | 3V8HP | - / -13 | 2 | Partial capture |
| 08-23 05:59 | 20m | - / -13 | N8HRZ | -14 / - | 2 | ✓ Closing fragment |
| 08-21 14:51 | 10m | -8 / - | ON/PA1POS | - / -6 | 2 | Partial capture |
| 08-21 14:42 | 10m | -8 / - | SQ7BCN | - / 0 | 2 | Partial capture |
| 08-21 10:42 | 10m | -2 / - | DN9DKN | - / -10 | 2 | ✓ Closing fragment |
| 08-21 10:40 | 10m | +3 / - | DG0KS | - / -3 | 3 | ✓ Closing fragment |
| 08-21 10:37 | 10m | -4 / - | DO1ZK | - / -17 | 2 | Partial capture |
| 08-21 10:35 | 10m | -6 / -6 | DN9SHA | -7 / -9 | 6 | ✓ Full exchange observed |
| 08-21 10:34 | 10m | -4 / 0 | DO5STL | -12 / -4 | 4 | ✓ Full exchange observed |
| 08-21 10:31 | 10m | -2 / - | HA5CTI | - / -11 | 4 | ✓ Closing fragment |
| 08-21 10:30 | 10m | -4 / - | DJ3AK | - / -10 | 2 | ✓ Closing fragment |
| 08-21 05:43 | 20m | 0 / - | KB2ELA | - / -18 | 2 | Partial capture |
| 08-21 05:41 | 20m | -2 / - | NP3RK | - / -21 | 2 | Partial capture |
| 08-21 05:37 | 20m | -4 / - | ZL1BQD | - / -15 | 5 | Partial capture |
| 08-21 05:30 | 20m | -2 / - | ZL1BQD | - / -19 | 9 | Partial capture |
| 08-16 07:28 | 10m | - / -16 | DK8EE | -14 / - | 4 | ✓ Closing fragment |
| 08-15 05:59 | 20m | -12 / - | IZ1BWB | - / -11 | 2 | Partial capture |
| 08-14 16:57 | 20m | - / -15 | UA6HRB | +4 / - | 4 | ✓ Closing fragment |
| 08-14 16:52 | 20m | - / -8 | EG2FPA | +2 / - | 2 | ✓ Closing fragment |
| 08-09 06:58 | 20m | - / -19 | IZ4VVL | -6 / - | 2 | ✓ Closing fragment |
| 08-09 06:32 | 20m | - / -3 | HB9IBA | -16 / - | 2 | ✓ Closing fragment |
| 07-26 13:57 | 20m | - / - | S09S | -8 / - | 2 | ✓ Closing fragment |
| 07-25 17:36 | 20m | - / -4 | GW0ARK | +4 / - | 2 | ✓ Closing fragment |
| 07-25 10:34 | 10m | -12 / - | DH7MG | - / -17 | 2 | Partial capture |
| 07-25 05:37 | 20m | - / -14 | M9UTD | -4 / - | 2 | ✓ Closing fragment |
| 07-24 17:46 | 10m | -12 / - | OK6PL | - / - | 2 | Partial capture |
| 07-24 17:40 | 10m | -8 / - | DH1NHR | - / -5 | 2 | ✓ Closing fragment |
| 07-24 14:03 | 10m | -12 / - | DG4YT | - / - | 2 | Partial capture |
| 07-23 12:28 | 10m | - / -17 | PI4IPA | -10 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 173300 -14 2613 F1UNR IK7YZB JN80 063800 -10 866 IK7YZB F1MXE RR73 052400 -16 2638 DJ0MAB IK7YZB JN80 062715 -4 2634 IK7YZB GJ0KYZ +05 (x2) 150945 -12 2109 IK7YZB II4IANT -11 050730 -2 1241 IK7YZB YO3JW RR73 061645 -14 1607 IK7YZB SV2DFK RR73 061845 -5 2202 IK7YZB HB10GBT -14 062500 +7 2941 IK7YZB DJ0MAB -14 (x2) 064030 +17 2729 IK7YZB HA7TM JN97 (x3) 064400 +2 2497 IK7YZB F5MOO -16
UTC dB Audio Message 173645 -16 2582 UA3YGP IK7YZB JN80 045830 -20 927 IK7YZB II0CDS RR73 173330 -13 2469 CQ IK7YZB JN80 (x2) 182130 -14 1395 IK7YZB EH3ST RR73 182230 -2 1737 IK7YZB LZ2SM -03 (x2) 182630 -14 2469 SN40KZE IK7YZB JN80 182645 -3 411 IK7YZB SN40KZE -11 182700 -15 2469 SN40KZE IK7YZB R-07 182800 -15 2469 EA5DKT IK7YZB JN80
UTC dB Audio Message 060300 -16 2161 IK7YZB VK2AAI R-17 062130 +8 2664 ZL1BQD IK7YZB -22 063130 +11 2662 CQ IK7YZB JN80 063145 +15 2662 IK7YZB UT4QM KN77 063200 +11 2662 UT4QM IK7YZB -10 063215 +10 2662 IK7YZB UT4QM R-07 063230 +13 2662 UT4QM IK7YZB RR73 063245 +15 2662 IK7YZB UT4QM 73 063330 +11 2663 CQ IK7YZB JN80 (x2) 063600 +10 2663 TA1MB IK7YZB -06 (x2) 161400 -22 1980 IK7YZB M7OKF R-02 (x2) 170130 -13 2406 MW7GQB IK7YZB JN80
UTC dB Audio Message 152745 -11 2738 OM2DX IK7YZB -04 153115 -6 2740 SP9DPI IK7YZB -16 154045 -7 2742 SP6TT IK7YZB +02 154545 -4 2744 EA8AQP IK7YZB RR73 160130 -5 2740 3B9FR IK7YZB -21 (x3) 160300 -4 2740 IK1ZNM IK7YZB -11 160530 -5 2741 SQ4PKO IK7YZB -07 160915 -1 2741 EA8DSX IK7YZB -15 (x2) 161100 -4 2742 3B9FR IK7YZB RR73 161430 -1 2743 XQ1KK IK7YZB -10 (x3)
Decoder S/N history by band
Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.
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