SP1ZMO — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving SP1ZMO, decoded by SO8OO in southeastern Poland. 12,117 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, across 74 UTC dates in the available aggregate history. Observed between 2026-07-10 and 2026-10-30.
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 12,117 FT8 messages attributed to SP1ZMO as the transmitting token by decoded message structure across 74 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (39%), followed by 80 m (32%) and 60 m (14%). The busiest six-hour window was 01:00-07:00 UTC, containing 45% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -6 dB.
Overview
Bands
Last attributed message: 2026-10-30 09:04 UTC
Observed FT8 message patterns
- Attributed sample
- 12,117 messages
- Active dates
- 74 UTC dates
- Estimated median S/N
- -6 dB
- Estimated 10th-90th percentile
- -18 to +6 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1,992, moderate (-15 to -9 dB) 2,900, strong (≥ -8 dB) 7,225.
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 SP1ZMO 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 SP1ZMO
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
- JO73 · 9,383 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 613 km (approx.)
- Last such locator decoded
- 2026-10-30 09:04 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 | SP1ZMO S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-30 09:05 | 40m | - / +2 | OT4R | -15 / - | 3 | Partial capture |
| 10-30 09:03 | 40m | -16 / - | IK2YCW | - / - | 2 | Partial capture |
| 10-30 08:59 | 40m | -16 / - | M0KDZ | - / -18 | 5 | Partial capture |
| 10-30 08:48 | 40m | -13 / - | GI4NKB | - / - | 3 | Partial capture |
| 10-30 08:46 | 40m | -8 / - | 9A6SJU | - / - | 4 | Partial capture |
| 10-30 08:41 | 40m | - / +3 | OT4R | -15 / - | 4 | Partial capture |
| 10-30 08:41 | 40m | -11 / - | G7BTP | - / -11 | 4 | ✓ Closing fragment |
| 10-30 08:36 | 40m | -9 / - | F4MXT/P | - / - | 3 | Partial capture |
| 10-30 08:33 | 40m | -15 / - | GX4WAB | - / - | 4 | Partial capture |
| 10-30 08:30 | 40m | - / -11 | OK1HEH | -10 / - | 2 | ✓ Closing fragment |
| 10-30 08:30 | 40m | -18 / - | GI3PXT | - / - | 4 | Partial capture |
| 10-30 08:24 | 40m | -20 / -2 | M9MRX | -24 / -8 | 5 | Partial capture |
| 10-30 08:21 | 40m | -16 / - | F4MOJ | - / -13 | 2 | Partial capture |
| 10-30 08:19 | 40m | -5 / - | SQ4FAE | - / - | 3 | Partial capture |
| 10-30 08:14 | 40m | -14 / - | SP5CGN | - / - | 5 | Partial capture |
| 10-30 08:12 | 40m | -8 / - | M9VVE | - / - | 2 | Partial capture |
| 10-30 08:03 | 40m | -14 / - | E74E | - / - | 3 | Partial capture |
| 10-30 07:58 | 40m | - / -8 | GJ0KYZ | -13 / - | 3 | Partial capture |
| 10-30 07:58 | 40m | -15 / -2 | OE3IPU | -5 / -7 | 4 | ✓ Full exchange observed |
| 10-30 07:53 | 40m | -18 / - | M0VCS | - / - | 2 | Partial capture |
| 10-30 07:49 | 40m | -13 / - | IZ0RPS | - / - | 4 | Partial capture |
| 10-30 07:46 | 40m | - / -13 | F1PBZ | -8 / - | 3 | Partial capture |
| 10-30 07:44 | 40m | -20 / - | M9MRX | - / - | 3 | Partial capture |
| 10-30 07:42 | 40m | - / -3 | E70SZ | -10 / - | 3 | ✓ Closing fragment |
| 10-30 07:35 | 40m | -12 / - | LA1PHA | - / - | 2 | Partial capture |
| 10-30 07:31 | 40m | -8 / - | F4MXT/P | - / - | 2 | Partial capture |
| 10-30 07:27 | 40m | - / - | PD4RJ | -20 / - | 3 | Partial capture |
| 10-30 07:25 | 40m | -13 / - | M0DSK | - / - | 3 | Partial capture |
| 10-30 07:16 | 40m | -15 / - | EA7DJN | - / -18 | 4 | Partial capture |
| 10-30 07:15 | 40m | -2 / - | EI2IXB | - / - | 2 | Partial capture |
| 10-30 07:12 | 40m | -17 / +8 | SP4KDK | -8 / - | 3 | ✓ Closing observed |
| 10-30 07:10 | 40m | -14 / -20 | EA7DJN | -22 / - | 5 | Partial capture |
| 10-30 07:07 | 40m | -6 / - | F5USK | - / - | 4 | Partial capture |
| 10-30 07:05 | 40m | -14 / - | SP3JHY | - / - | 2 | Partial capture |
| 10-30 07:01 | 40m | -7 / - | UA1ALY | - / +2 | 3 | Partial capture |
| 10-30 06:57 | 40m | -12 / - | F5LOW | - / - | 3 | Partial capture |
| 10-30 06:55 | 40m | -13 / - | RA3DFQ | - / - | 3 | Partial capture |
| 10-30 06:53 | 40m | - / - | UT8SQ | +2 / - | 2 | Partial capture |
| 10-30 06:52 | 40m | -6 / - | EA7DJN | - / - | 3 | Partial capture |
| 10-30 06:50 | 40m | 0 / - | SP2SGZ | - / -11 | 2 | Partial capture |
| 10-30 06:48 | 40m | -11 / - | OH5VT | - / - | 3 | Partial capture |
| 10-30 06:46 | 40m | - / - | US2YW | 0 / - | 3 | Partial capture |
| 10-30 06:43 | 40m | - / - | US2YW | 0 / - | 3 | Partial capture |
| 10-30 06:36 | 40m | -12 / - | DK1TS | - / -16 | 2 | Partial capture |
| 10-30 06:35 | 40m | - / -8 | DL1BBO | -5 / - | 3 | ✓ Closing fragment |
| 10-30 06:35 | 40m | - / - | US2YW | +1 / - | 6 | Partial capture |
| 10-30 05:46 | 40m | - / -5 | F5UOU | -4 / - | 2 | Partial capture |
| 10-30 05:46 | 40m | - / - | US2YW | +3 / - | 3 | Partial capture |
| 10-30 05:44 | 40m | -12 / - | N4EER | - / - | 3 | Partial capture |
| 10-30 05:39 | 40m | -4 / - | W4VPK | - / -19 | 5 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 084930 -14 2384 GI4NKB SP1ZMO JO73 (x2) 085230 -7 856 G3AKA SP1ZMO R-10 085400 -15 2135 G0MGK SP1ZMO JO73 085900 -24 1894 M0KDZ SP1ZMO JO73 (x5) 090330 -16 1542 IK2YCW SP1ZMO JO73 (x2) 090430 -14 1540 CQ SP1ZMO JO73 090515 -10 1462 SP1ZMO OT4R +02 (x3)
UTC dB Audio Message 070000 -14 2194 SP1ZMO DF4WQ JN39 070015 +1 438 G3SHK SP1ZMO 73 070030 -16 2194 SP1ZMO DF4WQ JN39 (x2) 070130 +7 568 MM0JTV SP1ZMO JO73 070130 -13 2195 SP1ZMO DF4WQ JN39 070200 +7 568 MM0JTV SP1ZMO R-08 070200 -16 2195 SP1ZMO DF4WQ JN39 070230 +3 568 MM0JTV SP1ZMO 73 070600 -10 1858 F4MJX SP1ZMO JO73 (x3) 070800 -7 1935 F4CQS SP1ZMO JO73 (x2) 070930 -8 1028 KU4MP SP1ZMO JO73
UTC dB Audio Message 184700 +2 984 IU0KNS SP1ZMO JO73 (x3) 184830 -7 1503 CQ SP1ZMO JO73 (x2) 185130 +4 342 DJ7M SP1ZMO JO73 192445 -1 2518 SP1ZMO R2EC RR73 192500 -8 1503 CQ SP1ZMO JO73 194945 +8 1964 UA4POO SP1ZMO JO73 (x2) 065515 -1 618 CQ SP1ZMO JO73 (x3) 065630 -17 2168 SP1ZMO ON7HM JO10 (x2)
UTC dB Audio Message 194145 -10 1793 HB9FIL SP1ZMO JO73 204215 +0 1502 CQ SP1ZMO JO73 204245 +1 2310 DK7TX SP1ZMO JO73 204300 +4 2310 SP1ZMO DK7TX -08 204315 -3 2310 DK7TX SP1ZMO R-01 204330 +5 2310 SP1ZMO DK7TX RR73 204415 -2 2310 DK7TX SP1ZMO R-01 204430 +3 2310 SP1ZMO DK7TX RR73 204445 -6 1502 CQ SP1ZMO JO73 204500 +2 2527 SP1ZMO HF5A JO92 204515 -3 2527 HF5A SP1ZMO -10 204530 +4 2527 SP1ZMO HF5A R-14 204545 +3 2527 HF5A SP1ZMO RR73 204600 -2 2527 SP1ZMO HF5A 73 204615 -7 1502 CQ SP1ZMO JO73
UTC dB Audio Message 064145 -3 2066 SP1ZMO RZ4FWA LO23 064215 -3 668 SP1ZMO YO9FKI KN25 (x3) 064915 -7 1606 SP1ZMO R2AZQ -24 065615 +8 1579 SP1ZMO F4PCM JN23 (x2) 070315 +1 1289 SP1ZMO R2AL KO85 (x2) 070545 -5 2232 SP1ZMO IK4JPP 73 072315 +4 1783 SP1ZMO R2AL KO85 (x3) 072945 +5 1908 SP1ZMO IZ0RDM +13 (x2)
UTC dB Audio Message 120830 -13 1440 SP1ZMO F5ADE JN07 (x11) 122630 -6 2710 SP1ZMO LZ2FH KN23 124400 -20 1595 SP1ZMO F5SJC 73 125445 +4 664 SP1ZMO SV1CQN +04 152830 -18 1292 SP1ZMO IU6SPQ -15
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.
CW
No CW receptions recorded for this callsign in the last 30 days.
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