SP9ENV — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: JO74

Receiver-side FT8 activity involving SP9ENV, decoded by SO8OO in southeastern Poland. 1,677 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, across 13 UTC dates in the available aggregate history. Observed between 2026-07-22 and 2026-10-05.

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 1,677 FT8 messages attributed to SP9ENV 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 (38%), followed by 40 m (33%) and 80 m (26%). Most decodes (94%) fell within the six-hour window 17:00-23:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (74%); the estimated median was -3 dB.

Overview

1,677
Messages attributed
13
UTC dates decoded
113
Active 15-min windows
-3 dB
Estimated median S/N

Bands

First attributed message: 2026-07-22
Last attributed message: 2026-10-05 07:45 UTC

Observed FT8 message patterns

Attributed sample
1,677 messages
Active dates
13 UTC dates
Estimated median S/N
-3 dB
Estimated 10th-90th percentile
-12.7 to +7 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 62, moderate (-15 to -9 dB) 375, strong (≥ -8 dB) 1,240.

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.

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 SP9ENV

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
JO74 · 884 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
686 km (approx.)
Last such locator decoded
2026-10-05 07:44 UTC

Other locator fields attributed to this token: JO90 (17).

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 UTCBandSP9ENV S/NCounterpartCounterpart S/NMsgsCapture
10-05 07:44 40m +3 / - RY2B - / 0 2 ✓ Closing fragment
10-05 07:42 40m 0 / - M9NTS - / - 2 ✓ Closing fragment
10-05 07:38 40m -12 / -13 YO3GNF +1 / -9 5 ✓ Full exchange observed
10-05 07:37 40m -14 / - DL3BH - / -7 2 ✓ Closing fragment
10-05 07:35 40m -15 / - LB0XJ - / -14 3 ✓ Closing fragment
10-05 07:30 40m -15 / -13 OH8GBO -19 / - 4 ✓ Closing observed
10-05 07:25 40m -11 / - DG6TOM -11 / -3 3 ✓ Closing observed
10-05 07:23 40m -9 / - G4DBW -10 / - 2 Partial capture
10-05 07:22 40m -9 / - OH6FSO - / +4 2 ✓ Closing fragment
09-15 21:43 80m +4 / -8 SV2FNT -6 / -6 5 ✓ Full exchange observed
09-15 21:34 80m -2 / +4 SN100PKP +5 / +2 3 Partial capture
09-15 21:28 80m -3 / - LZ123RF - / -18 3 Partial capture
09-15 21:24 80m +4 / -8 LZ123RF +1 / -7 4 Partial capture
09-15 21:21 80m +10 / 0 DL9KM -16 / -13 4 ✓ Full exchange observed
09-15 21:19 80m +9 / -8 EA5GO -22 / -25 4 Partial capture
09-15 21:16 80m +7 / - DL1KYF/P - / -14 2 Partial capture
09-15 21:14 80m +5 / -10 UA6YW +5 / - 4 ✓ Closing observed
09-15 21:10 80m -2 / - RA0AF - / - 4 Partial capture
09-15 21:10 80m - / - F1IQH -17 / - 3 Partial capture
09-15 21:06 80m +1 / - RI1FJZ - / -25 4 Partial capture
09-15 21:00 80m -4 / - RI1FJZ - / - 4 Partial capture
09-15 20:57 80m -4 / -4 4L7T +2 / -19 5 ✓ Full exchange observed
09-15 20:53 160m -13 / - 2E0FAU - / -14 2 Partial capture
09-15 20:47 160m -14 / +1 OE3UKW +5 / - 5 ✓ Closing observed
09-15 20:47 160m -13 / +10 OE4KQW -5 / +2 5 ✓ Full exchange observed
09-15 20:38 160m -5 / - DL7ET - / -16 3 ✓ Closing fragment
09-15 20:35 160m -4 / - HA8BE +15 / - 2 ✓ Closing observed
09-15 20:30 160m -2 / -6 SP9SIL -24 / -22 6 ✓ Full exchange observed
09-15 20:30 160m -6 / -8 HA8BE +15 / - 6 Partial capture
09-15 20:24 160m -10 / - JH4IFF - / - 8 Partial capture
09-15 20:21 160m -8 / - JA0DAI - / - 2 Partial capture
09-15 20:09 160m -8 / - JA0DAI - / - 9 Partial capture
09-15 20:08 160m -8 / - G8TKY - / - 2 Partial capture
09-15 20:07 160m -7 / - MW7GQB - / -8 3 ✓ Closing fragment
09-15 20:04 160m -10 / - JH0INP - / - 5 Partial capture
09-15 20:01 160m -7 / - GW0ARK - / -25 3 ✓ Closing fragment
09-15 19:59 160m -12 / - HF6UWU -10 / -10 4 ✓ Closing observed
09-15 19:58 160m -9 / - IZ8XME -12 / -22 5 Partial capture
09-15 19:51 160m -3 / - JA7EVP - / - 5 Partial capture
09-15 19:47 160m -5 / - JH7BDS - / - 3 Partial capture
09-15 19:46 160m -2 / - JE7GXQ - / - 3 Partial capture
09-15 19:38 160m -6 / - JF8QNF - / - 2 Partial capture
09-15 19:34 160m -10 / -20 RD7O -3 / -6 5 ✓ Full exchange observed
09-15 19:33 160m -10 / - LB4PJ - / -6 2 ✓ Closing fragment
09-15 19:32 160m -10 / -2 SP6BCC +2 / +5 4 ✓ Full exchange observed
09-15 19:30 160m -3 / -26 RU6C +7 / -10 3 ✓ Full exchange observed
09-15 19:27 160m -4 / -22 R6JAG -5 / -16 4 Partial capture
09-15 19:25 160m -4 / - SM2OTU - / - 2 ✓ Closing fragment
09-15 19:22 160m -5 / - JE7GXQ - / - 4 Partial capture
09-15 19:15 160m -11 / +3 SQ6WA +2 / - 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

40m
UTC    dB Audio  Message
073630 -15 2191  LB0XJ SP9ENV 73
073700 -13 2191  DL3BH SP9ENV -07 (x2)
073815  +2  742  SP9ENV YO3GNF KN34
073830 -13 2190  YO3GNF SP9ENV -09
073845  -4  742  SP9ENV YO3GNF R-13
073900 -12 2190  YO3GNF SP9ENV RR73
073915  +4  742  SP9ENV YO3GNF 73
074200  -5 2536  CQ SP9ENV JO74
074230  +1 2536  M9NTS SP9ENV +12 (x2)
074330  -2 2536  CQ SP9ENV JO74 (x2)
074430  +5 2536  RY2B SP9ENV R+00 (x2)
80m
UTC    dB Audio  Message
212445  +6 1212  LZ123RF SP9ENV JO74
212500  +0 1259  SP9ENV LZ123RF -08 (x2)
212545  +2 1212  LZ123RF SP9ENV R-07 (x4)
213415  -3 1701  SN100PKP SP9ENV JO74
213430  +5 1414  SP9ENV SN100PKP +04
213445  -1 1702  SN100PKP SP9ENV R+02
214330  +5 1763  SV2FNT SP9ENV JO74
214345  -4 1624  SP9ENV SV2FNT -08
214400  +2 1763  SV2FNT SP9ENV R-06
214415  -8 1625  SP9ENV SV2FNT RR73
214430  +4 1763  SV2FNT SP9ENV 73
160m
UTC    dB Audio  Message
204600 -11  923  RZ1OK SP9ENV JO74
204700 -13  923  OE4KQW SP9ENV JO74
204715  -9 1182  SP9ENV OE4KQW +10
204715 +11  551  SP9ENV OE3UKW JN88
204730 -12  923  OE4KQW SP9ENV R+02
204745  -1 1182  SP9ENV OE4KQW RRR
204745  +0  551  SP9ENV OE3UKW +01
204800 -14  923  OE4KQW SP9ENV 73
204815  +7  551  SP9ENV OE3UKW +01 (x2)
204900 -14  923  OE3UKW SP9ENV 73
205030 -10  923  CQ SP9ENV JO74
205245 -16  923  RA0AF SP9ENV JO74
205315 -13  923  2E0FAU SP9ENV JO74 (x2)
60m
UTC    dB Audio  Message
181315  -7 1790  SM2OTU SP9ENV JO74
181330 -15 1790  SP9ENV SM2OTU -02
181345  -8 1790  SM2OTU SP9ENV R-06
181400 -10 1791  SP9ENV SM2OTU RR73
181415 -10 1790  SM2OTU SP9ENV 73
181500  +5 2656  SP9ENV HF5A JO92
10m
UTC    dB Audio  Message
150715  -9  489  SP9ENV IK4LZH JN54
150815  +3 2949  SP9ENV DO1FDK JO41 (x2)
150945  -3  820  SP9ENV DL6AZ JO42 (x3)
151645 -21 1496  SP9ENV PY2FUI -10
151845 -11 1737  SP9ENV DB5AE JO52
151915  -1 1274  SP9ENV IU2IKT JN45 (x4)
201200 -18 1156  SP9ENV DG6VC R+01
133945 -10  728  SP9ENV LZ3CB R+12 (x2)
20m
UTC    dB Audio  Message
090000  -7 1336  SP9ENV UT4QM R-17
094115  +2  702  SP9ENV DL4MBY R-16 (x2)
094215 +15  464  SP9ENV IK4LZH JN54 (x3)
094915  -5 2318  SP9ENV RU4SS LO36
094945  -1 2035  SP9ENV PD1ADA R+02 (x2)
095145  -3 2318  SP9ENV RU4SS R-07
194230  +0 2154  SP9ENV M8KKH JO01 (x4)
194900  +2 2929  SP9ENV <...> -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.

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