SP9WLC — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: JO90

Receiver-side FT8 activity involving SP9WLC, decoded by SO8OO in southeastern Poland. 1,930 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, across 108 UTC dates in the available aggregate history. Observed between 2026-06-12 and 2026-10-22.

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 1,930 FT8 messages attributed to SP9WLC as the transmitting token by decoded message structure across 108 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (85%), followed by 40 m (8%) and 160 m (7%). Most decodes (94%) fell within the six-hour window 01:00-07:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (96%); the estimated median was +12 dB.

Overview

1,930
Messages attributed
108
UTC dates decoded
331
Active 15-min windows
+12 dB
Estimated median S/N

Bands

First attributed message: 2026-06-12
Last attributed message: 2026-10-22 02:28 UTC

Observed FT8 message patterns

Attributed sample
1,930 messages
Active dates
108 UTC dates
Estimated median S/N
+12 dB
Estimated 10th-90th percentile
-1.9 to +19 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 18, moderate (-15 to -9 dB) 63, strong (≥ -8 dB) 1,849.

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 SP9WLC

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
JO90 · 976 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
208 km (approx.)
Last such locator decoded
2026-10-22 02:28 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 UTCBandSP9WLC S/NCounterpartCounterpart S/NMsgsCapture
10-22 02:28 80m - / - R4FDD +4 / - 2 Partial capture
10-22 02:01 80m - / -8 RX3ASQ +9 / - 4 Partial capture
10-22 01:57 80m +19 / - 9A5MP - / -22 2 Partial capture
10-22 01:53 80m +12 / +1 CT2HEX -9 / -17 8 ✓ Full exchange observed
10-22 01:53 80m +15 / - ON4MAP 0 / -16 5 ✓ Full exchange observed
10-22 01:06 80m +16 / - ON4CFC -7 / -15 3 ✓ Full exchange observed
10-22 01:03 80m +17 / - F4NJU -17 / -18 4 ✓ Closing observed
10-22 01:02 80m +18 / - UN3P - / -8 2 ✓ Closing fragment
10-22 00:59 80m +17 / -2 IZ0MYH -4 / - 3 ✓ Closing observed
10-22 00:58 80m - / - R4HHN +7 / - 3 Partial capture
10-22 00:58 80m - / - RA6OY +17 / - 5 Partial capture
10-22 00:58 80m +21 / +4 SN0EG +14 / +1 5 ✓ Full exchange observed
10-22 00:55 160m +2 / +10 OM2WQ +10 / +9 4 ✓ Full exchange observed
10-22 00:53 160m - / - UA4FKT +6 / - 2 Partial capture
10-21 03:14 80m +11 / +6 DO3JP 0 / -13 4 ✓ Full exchange observed
10-21 02:28 80m - / -10 R5AV +6 / - 2 Partial capture
10-21 02:28 80m - / - RX3ASQ -4 / - 2 Partial capture
10-21 02:28 80m - / - UA3VVA -10 / - 9 Partial capture
10-20 02:25 160m +8 / -13 IZ6HAO +9 / -6 2 Partial capture
10-19 03:37 160m -2 / - LZ1ST -12 / -18 3 ✓ Closing observed
10-19 03:33 160m +1 / - OE1TKS - / -7 3 Partial capture
10-19 03:31 160m +1 / -4 DL3AMW -14 / -15 4 ✓ Full exchange observed
10-19 03:30 160m +1 / -1 PI4DX +6 / -9 4 ✓ Full exchange observed
10-19 03:29 160m +4 / +1 HB9CXZ 0 / -1 4 ✓ Full exchange observed
10-19 03:04 40m - / - RX3ASQ -14 / - 2 Partial capture
10-19 03:04 40m - / - UA4FKT +4 / - 3 Partial capture
10-18 06:23 40m - / -15 F4HKP -12 / - 2 ✓ Closing fragment
10-18 06:16 40m - / +1 G7IGN -20 / - 3 ✓ Closing fragment
10-18 06:16 40m - / -6 UR5VPR -8 / - 2 Partial capture
10-18 05:05 80m +6 / +1 DO7HZ -10 / -5 4 ✓ Full exchange observed
10-18 05:04 80m +12 / - DO8JB - / -14 2 Partial capture
10-18 05:02 80m +8 / 0 DO4EB -8 / -10 5 ✓ Full exchange observed
10-18 05:01 80m +8 / - IU8GUK - / -11 2 ✓ Closing fragment
10-17 06:02 40m - / - R1AV -8 / - 2 Partial capture
10-17 04:26 40m - / +3 9A5CW +4 / - 11 Partial capture
10-17 04:23 40m - / -10 F1IQH -21 / - 2 ✓ Closing fragment
10-17 04:22 40m - / - RA6HN -18 / - 5 Partial capture
10-17 04:21 40m - / - RX3ASQ -16 / - 2 Partial capture
10-13 03:07 80m +10 / - IU3WIX -24 / -10 3 ✓ Closing observed
10-13 03:05 80m +4 / - RN6HK - / -9 2 Partial capture
10-13 03:03 80m +7 / - HA6WT - / -11 2 ✓ Closing fragment
10-13 03:00 80m +11 / - DL1VVQ -1 / -13 4 ✓ Closing observed
10-13 02:51 80m +14 / -1 F4HKP +5 / -8 5 ✓ Full exchange observed
10-13 02:39 40m - / - PV8AJ -11 / - 2 Partial capture
10-13 02:28 80m +4 / +3 DL/AD2LX +4 / -13 4 Partial capture
10-13 02:26 80m +4 / -1 ON4MAP -16 / -10 6 ✓ Full exchange observed
10-13 02:23 80m - / +5 DL/AD2LX -8 / - 2 Partial capture
10-13 02:23 80m +6 / - DL4DP -16 / -17 5 ✓ Closing observed
10-13 02:20 80m - / - R4FDD -12 / - 2 Partial capture
10-12 03:17 40m - / +4 SV5AZK -20 / - 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
015730 -13 2280  SP9WLC RZ9WA LO74
015745 +18 2283  9A5MP SP9WLC -16
015915 +21 2283  SX37VER SP9WLC -18
015930 -10 2024  SP9WLC EG46PPA R-06
020030 +14 2283  OH7KWX SP9WLC -15
020130 +16 2283  CQ SP9WLC JO90
020145  +9 1109  SP9WLC RX3ASQ KO95 (x2)
020215 -10 2547  SP9WLC R9JX MP61
020245  +8 1109  SP9WLC RX3ASQ R-08 (x2)
022830 +21 2283  CQ SP9WLC JO90
022845  +3 2284  SP9WLC R4FDD LO33
022915 +11 1109  SP9WLC RX3ASQ KO95
022945  +5 2284  SP9WLC R4FDD LO33
160m
UTC    dB Audio  Message
033430  -4 2283  OE1TKS SP9WLC -07
033715  -2 2283  LZ1ST SP9WLC -18 (x2)
033800 -12 2150  SP9WLC LZ1ST 73
022500  +8 2283  IZ6HAO SP9WLC -06
022515  +9  797  SP9WLC IZ6HAO R-13
005245  +4 2283  CQ SP9WLC JO90
005300  +4 2283  SP9WLC UA4FKT LO23
005315  +1 2282  CQ SP9WLC JO90                        a1
005330  +7 2284  SP9WLC UA4FKT LO23
005415  +4 2283  CQ SP9WLC JO90
005545  +2 2283  OM2WQ SP9WLC +09
005600 +12 1904  SP9WLC OM2WQ R+10
005615  +3 2283  OM2WQ SP9WLC RR73
005630  +8 1904  SP9WLC OM2WQ 73
40m
UTC    dB Audio  Message
061700 -12 2318  SP9WLC R1AV KP50
061700 -19 1637  SP9WLC G7IGN R+01 (x2)
061800  -6 2320  SP9WLC UR5VPR R-06
061930  -8 1282  SP9WLC HG5OGI 73
062000 -14 2318  SP9WLC R1AV KP50
062200  -9 1505  SP9WLC G0HSP R+00
062330 -13 1540  SP9WLC F4HKP R-15 (x2)
030430  +9 2319  SP9WLC UA4FKT LO23
030430 -17 1146  SP9WLC RX3ASQ KO95
030500  +3 2319  SP9WLC UA4FKT LO23
030500 -11 1145  SP9WLC RX3ASQ KO95
030530  +1 2319  SP9WLC UA4FKT LO23
032400  -7 2318  SP9WLC R4IK -06
10m
UTC    dB Audio  Message
145500  -4  348  SP9WLC PD2WL -07
145500 -11 2352  SP9WLC PD1CW R+02
145500 -12 1493  SP9WLC DN9AD JO52
145530  +0  348  SP9WLC PD2WL -07
145530  -6 2350  SP9WLC PD1CW 73
145530 -15 1493  SP9WLC DN9AD JO52 (x2)
145200  -6 2367  SP9WLC RC6OU KN98
145230 -14 2366  SP9WLC PA1HGM RR73
145600 -15 1826  SP9WLC DO1ANB JO31 (x3)
143500  +2 2368  SP9WLC CT2GQA IM58 (x3)
20m
UTC    dB Audio  Message
153445  -7 2347  SP9WLC UA3NFG LO28 (x2)
174415  -8 2352  SP9WLC MW7AHM IO81 (x2)
035330 -22 1391  SP9WLC UA1AOF KO59
045515  +3 2350  SP9WLC RW0SR OO22
051345 -11  674  SP9WLC SV2MJY KN10 (x4)
054745  +0 2267  SP9WLC UA6YW LN04
060530 -20 1432  SP9WLC YO3NSS -06
060630 -22 1528  SP9WLC LB6CG 73
044045  -3 2353  SP9WLC R4PEP LO55
062145  -4 2068  SP9WLC RZ4FWA LO23

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.

Explore CW reception at SO8OO

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