SM5KNV — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SM5KNV, decoded by SO8OO in southeastern Poland. 608 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, across 13 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-08.
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 608 FT8 messages attributed to SM5KNV as the transmitting token by decoded message structure across 13 UTC dates in the available aggregate history. The largest monitored-band total was 160 m (51%), followed by 80 m (37%) and 40 m (13%). Several six-hour UTC windows tied for the largest share (96%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (96%); the estimated median was +5 dB.
Overview
Bands
Last attributed message: 2026-09-08 20:06 UTC
Observed FT8 message patterns
- Attributed sample
- 608 messages
- Active dates
- 13 UTC dates
- Estimated median S/N
- +5 dB
- Estimated 10th-90th percentile
- -4 to +12 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 2, moderate (-15 to -9 dB) 23, strong (≥ -8 dB) 583.
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 SM5KNV 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 SM5KNV
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
- JO88 · 262 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,001 km (approx.)
- Last such locator decoded
- 2026-09-08 20:05 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 | SM5KNV S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-08 20:06 | 80m | -2 / -4 | SQ9PKM | +15 / - | 5 | ✓ Full exchange observed |
| 09-08 20:01 | 80m | +7 / - | RC7LX | - / -20 | 2 | ✓ Closing fragment |
| 09-08 19:58 | 80m | +12 / - | AP2N | - / -15 | 2 | Partial capture |
| 09-08 19:57 | 80m | +11 / - | UA3SCU | -6 / - | 8 | ✓ Full exchange observed |
| 09-08 19:53 | 80m | +12 / - | JA3FYC | - / -7 | 2 | ✓ Closing fragment |
| 09-08 19:52 | 80m | +15 / - | JF0CSK | - / -9 | 2 | ✓ Closing fragment |
| 09-08 19:51 | 80m | +12 / - | RN3AOE | +11 / - | 3 | ✓ Closing observed |
| 09-08 19:49 | 80m | +12 / - | BG8NMC | - / +2 | 2 | ✓ Closing fragment |
| 09-08 19:48 | 80m | +4 / - | R3XBV | - / - | 2 | ✓ Closing fragment |
| 09-08 19:47 | 80m | +10 / - | JE3GRQ | - / -9 | 2 | Partial capture |
| 09-08 19:46 | 80m | +11 / -10 | LB8PI | -18 / +8 | 4 | ✓ Full exchange observed |
| 09-08 19:46 | 80m | - / - | DL2RN | +5 / - | 2 | Partial capture |
| 09-08 19:44 | 80m | +15 / - | BH8PYF | - / 0 | 2 | ✓ Closing fragment |
| 09-08 19:42 | 80m | +11 / -13 | 9A3QO | +6 / -10 | 4 | ✓ Full exchange observed |
| 09-08 19:39 | 80m | +14 / -17 | DO1DMR | -9 / - | 6 | ✓ Closing observed |
| 09-08 19:39 | 80m | +15 / -14 | UY5BF | +11 / 0 | 5 | ✓ Full exchange observed |
| 09-08 19:35 | 160m | - / -4 | UB3YCK | -8 / - | 6 | Partial capture |
| 09-08 19:28 | 160m | +5 / - | RW9WJ | -18 / -9 | 4 | ✓ Closing observed |
| 09-08 19:27 | 160m | +6 / - | UA3IDQ | - / -10 | 2 | ✓ Closing fragment |
| 08-31 19:23 | 160m | -5 / - | UA4QK | - / -24 | 2 | ✓ Closing fragment |
| 08-31 19:21 | 160m | -2 / - | DO8XC | - / -24 | 2 | ✓ Closing fragment |
| 08-31 19:20 | 160m | 0 / +3 | OH3NXW | +2 / - | 5 | ✓ Full exchange observed |
| 08-31 19:17 | 160m | +2 / -13 | RX3T | -7 / -10 | 5 | ✓ Full exchange observed |
| 08-31 19:15 | 160m | -6 / - | ON7ZO | - / -18 | 2 | ✓ Closing fragment |
| 08-31 19:13 | 160m | -6 / -6 | LZ2EV | +10 / -9 | 5 | ✓ Full exchange observed |
| 08-31 19:11 | 160m | +2 / - | OH1ZK | - / -18 | 2 | ✓ Closing fragment |
| 08-31 19:10 | 160m | -1 / - | UA3FH | - / -22 | 2 | ✓ Closing fragment |
| 08-30 11:42 | 40m | - / -19 | DL4JTH | -2 / - | 3 | ✓ Closing fragment |
| 08-30 11:42 | 40m | -10 / -4 | DL7UKM | -4 / - | 5 | ✓ Full exchange observed |
| 08-29 20:31 | 160m | +8 / +10 | SQ5OMY | -14 / -18 | 5 | ✓ Full exchange observed |
| 08-29 20:29 | 160m | +8 / +9 | SP9DGO | +2 / +6 | 7 | ✓ Full exchange observed |
| 08-29 20:27 | 160m | +8 / +10 | SP5AEZ | -14 / -17 | 5 | ✓ Full exchange observed |
| 08-29 20:25 | 160m | +5 / - | 9A2VX | - / -20 | 2 | ✓ Closing fragment |
| 08-29 19:53 | 160m | +2 / - | R2BRU | -16 / +8 | 3 | Partial capture |
| 08-29 19:52 | 160m | - / - | OM3SX | +12 / - | 2 | Partial capture |
| 08-29 19:52 | 160m | +6 / - | OV5SP | - / -14 | 2 | ✓ Closing fragment |
| 08-29 19:46 | 160m | +4 / - | DA0RR | 0 / - | 5 | ✓ Full exchange observed |
| 08-29 19:23 | 160m | - / - | SP9DGO | +12 / - | 4 | Partial capture |
| 08-29 19:21 | 160m | +4 / -17 | RX4HX | +1 / - | 3 | ✓ Full exchange observed |
| 08-29 19:20 | 160m | - / - | ON6LEO | +1 / - | 2 | ✓ Closing fragment |
| 08-29 19:19 | 160m | - / - | DL9KM | -21 / - | 2 | ✓ Closing fragment |
| 08-29 19:17 | 160m | +6 / -10 | R6LNH/P | -15 / -9 | 3 | ✓ Full exchange observed |
| 08-29 19:15 | 160m | +7 / -6 | UX7BM | +11 / +8 | 5 | ✓ Full exchange observed |
| 08-29 19:13 | 160m | - / -15 | OM3SX | +17 / - | 3 | ✓ Closing fragment |
| 08-29 19:11 | 160m | +6 / - | IU3RRX | -9 / -20 | 2 | Partial capture |
| 08-29 19:10 | 160m | +6 / -8 | OK1JMB | -14 / -4 | 5 | ✓ Full exchange observed |
| 08-29 19:08 | 160m | +8 / - | OK2VIR | +7 / +3 | 4 | ✓ Closing observed |
| 08-29 19:07 | 160m | - / - | SP5GW | +9 / - | 3 | ✓ Closing fragment |
| 08-29 18:43 | 160m | +3 / -13 | SP9AHW | -10 / -13 | 4 | ✓ Full exchange observed |
| 08-29 18:41 | 160m | +2 / - | UA3MRS | - / -12 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 200015 +10 421 UA3SCU SM5KNV 73 200030 -8 978 SM5KNV UA3SCU 73 200045 +13 421 CQ SM5KNV JO88 200100 +4 423 SM5KNV SP6RW JO81 200115 +7 421 RC7LX SM5KNV R-20 (x2) 200215 +4 421 JA7GYP SM5KNV -10 200245 +7 421 CQ SM5KNV JO88 (x3) 200600 +14 420 SM5KNV SQ9PKM KN09 200615 -2 421 SQ9PKM SM5KNV +11 200630 +13 421 SM5KNV SQ9PKM R-04 200645 -3 422 SQ9PKM SM5KNV RR73 200700 +17 421 SM5KNV SQ9PKM 73
UTC dB Audio Message 192830 -19 1574 SM5KNV RW9WJ LO84 192845 +7 631 RW9WJ SM5KNV -09 (x2) 192945 +3 631 CQ SM5KNV JO88 (x6) 193545 -8 1953 SM5KNV UB3YCK -04 (x6)
UTC dB Audio Message 082230 -16 921 PD1DV SM5KNV -24 (x2) 082330 -14 922 DL7DL SM5KNV -06 (x2) 114245 -11 1274 SM5KNV DL7UKM JO62 114245 -1 619 SM5KNV DL4JTH JO60 114315 -1 1274 SM5KNV DL7UKM JO62 114315 -2 619 SM5KNV DL4JTH R-19 (x2) 114400 -10 620 DL7UKM SM5KNV +21 114415 -1 1274 SM5KNV DL7UKM R-04 (x2) 114530 -4 620 CQ SM5KNV JO88 (x2) 114730 -4 619 GB2HP SM5KNV -07
UTC dB Audio Message 104945 -16 1392 SM5KNV DB4VI JN39 105015 -23 2154 SM5KNV DN9OPA 73 105215 -23 1728 SM5KNV PA0HCL +07
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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