SP7CS — 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: JO91

Receiver-side FT8 activity involving SP7CS, decoded by SO8OO in southeastern Poland. 401 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, across 25 UTC dates in the available aggregate history. Observed between 2026-06-28 and 2026-10-15.

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 401 FT8 messages attributed to SP7CS as the transmitting token by decoded message structure across 25 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (64%), followed by 40 m (23%) and 60 m (12%). Most decodes (71%) fell within the six-hour window 20:00-02:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (85%); the estimated median was +6.5 dB.

Overview

401
Messages attributed
25
UTC dates decoded
65
Active 15-min windows
+6.5 dB
Estimated median S/N

Bands

First attributed message: 2026-06-28
Last attributed message: 2026-10-15 12:00 UTC

Observed FT8 message patterns

Attributed sample
401 messages
Active dates
25 UTC dates
Estimated median S/N
+6.5 dB
Estimated 10th-90th percentile
-12 to +15 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 14, moderate (-15 to -9 dB) 47, strong (≥ -8 dB) 340.

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 SP7CS

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
JO91 · 153 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
262 km (approx.)
Last such locator decoded
2026-10-15 12:00 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 UTCBandSP7CS S/NCounterpartCounterpart S/NMsgsCapture
10-15 11:58 40m -9 / - DJ0MAB -8 / -4 3 ✓ Closing observed
10-15 11:57 40m -13 / +10 SV7BAY -12 / -3 3 ✓ Full exchange observed
10-12 22:49 160m - / -22 IK1BQD 0 / - 2 ✓ Closing fragment
10-12 22:47 160m -9 / -15 LA9JKA -4 / +1 5 ✓ Full exchange observed
10-11 20:16 80m 0 / - DM8ITZ - / -11 3 ✓ Closing fragment
10-10 21:11 80m - / -22 DL7PIA 0 / - 2 ✓ Closing fragment
10-10 20:18 80m -3 / - DM8ITZ - / - 3 Partial capture
10-10 20:09 80m +2 / - SQ5ANT - / -4 2 ✓ Closing fragment
10-10 10:04 40m -6 / - SQ5ANT -18 / -2 3 ✓ Closing observed
10-10 10:03 40m -5 / -9 DL7PIA -13 / -4 6 ✓ Full exchange observed
10-10 09:59 40m -4 / - IQ0AAX - / - 2 Partial capture
10-09 02:09 40m - / -7 W2CG -14 / - 2 Partial capture
10-09 02:06 40m - / +2 TA2VUZ -11 / - 2 ✓ Closing fragment
10-09 01:12 80m +4 / -7 YO3GNF -4 / - 4 ✓ Closing observed
10-09 01:11 80m +7 / +6 SQ5ANT +12 / 0 5 ✓ Full exchange observed
10-08 22:08 80m +3 / -13 RU3VT -2 / -5 4 ✓ Full exchange observed
10-08 22:07 80m +4 / - 4L7T - / -14 3 ✓ Closing fragment
10-08 22:03 80m +3 / -18 EA8AJ -6 / -15 4 ✓ Full exchange observed
10-08 13:43 40m 0 / - SQ8AZT -14 / +4 6 ✓ Full exchange observed
10-08 10:50 40m -4 / - SQ5ANT - / +2 4 ✓ Closing fragment
10-08 10:49 40m +1 / - SQ3KO - / -7 3 ✓ Closing fragment
10-08 10:46 40m -2 / +7 SQ2RAD -17 / +2 5 ✓ Full exchange observed
10-05 00:58 80m +10 / - W2OSR - / - 2 Partial capture
10-05 00:50 80m +6 / - RD9U -4 / -12 3 ✓ Closing observed
10-05 00:48 80m +4 / +2 SX2LGT -4 / -2 5 ✓ Full exchange observed
10-05 00:47 80m +7 / -13 S55X +2 / -1 5 ✓ Full exchange observed
10-05 00:43 80m +6 / -11 K4YT -17 / - 6 Partial capture
10-05 00:41 80m +9 / +3 TA4SSK -7 / -7 4 ✓ Full exchange observed
10-05 00:40 80m +8 / - F4GOH - / -12 2 ✓ Closing fragment
10-05 00:39 80m +12 / - R4HLO - / -15 2 ✓ Closing fragment
10-05 00:37 80m +8 / -13 R3SN -24 / -11 3 ✓ Full exchange observed
10-05 00:34 80m +14 / -9 GM4KHE -10 / -15 7 ✓ Full exchange observed
10-05 00:34 80m +11 / -5 R7DX +9 / 0 5 ✓ Full exchange observed
10-05 00:32 80m +12 / +5 R2AL +12 / +2 6 ✓ Full exchange observed
10-05 00:31 80m +12 / - RD4CAF - / -11 2 ✓ Closing fragment
10-05 00:28 80m +8 / - R2AL +13 / 0 4 Partial capture
10-05 00:25 80m +11 / - 4X1VL - / -11 2 ✓ Closing fragment
10-05 00:25 80m +10 / +10 F5RAV -2 / -7 12 ✓ Full exchange observed
10-05 00:24 80m - / - GM4KHE -8 / - 2 Partial capture
10-05 00:24 80m +11 / -2 DO4DXA +14 / +2 12 ✓ Full exchange observed
10-05 00:24 80m - / - R2AL +12 / - 4 Partial capture
10-05 00:22 80m +15 / - EB1LA - / -6 2 ✓ Closing fragment
10-05 00:20 80m +10 / -1 OK1WCF +10 / -2 5 ✓ Full exchange observed
10-05 00:20 80m - / - R2AL +6 / - 4 Partial capture
10-05 00:20 80m +13 / - UA9SY -21 / -13 9 ✓ Closing observed
10-03 10:21 40m -5 / - UB3ADO/P - / -3 2 Partial capture
10-03 10:17 40m -8 / - SP5TAE - / +2 3 ✓ Closing fragment
10-02 20:13 40m - / -7 U1BD -8 / - 4 ✓ Closing fragment
09-30 23:33 80m +11 / - AP2HA - / -18 7 ✓ Closing fragment
09-30 23:30 80m +10 / -1 F1PBZ +6 / -1 4 ✓ 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
100415  -2 1254  SQ5ANT SP7CS R-02
100430 -18 1949  SP7CS SQ5ANT RR73
100430 -10 1307  SP7CS DL7PIA -09
100445  -9 1254  SQ5ANT SP7CS 73
100500 -13 1307  SP7CS DL7PIA -09
100515  -4 1254  DL7PIA SP7CS R-04
100530 -15 1307  SP7CS DL7PIA RR73
100545  -4 1254  DL7PIA SP7CS 73
115730 -13  979  SP7CS SV7BAY +10
115745 -13  989  SV7BAY SP7CS R-03
115800 -12  979  SP7CS SV7BAY RR73
115830  -8  989  SP7CS DJ0MAB JN49
115845 -10  989  DJ0MAB SP7CS -04 (x2)
120045 -10  989  CQ SP7CS JO91
160m
UTC    dB Audio  Message
192145  +5 1077  SP7CS PI4DX -13 (x2)
192230 -23 1467  PI4DX SP7CS 73
192330 +11 1146  SP7CS LZ936BA -13
202430  -8 1363  MX0SQC SP7CS JO91
224715  -9 1206  LA9JKA SP7CS JO91
224730  -7 1464  SP7CS LA9JKA -15
224745 -10 1206  LA9JKA SP7CS R+01
224800  +0 1464  SP7CS LA9JKA RR73
224815  -9 1206  LA9JKA SP7CS 73
224930  +0 1206  SP7CS IK1BQD R-22 (x2)
80m
UTC    dB Audio  Message
011330  -1 1386  SP7CS YO3GNF 73
200945  +3 1220  SQ5ANT SP7CS R-04 (x2)
201830  -4 1220  DM8ITZ SP7CS JO91 (x3)
205430  -2 2197  SP7CS DL7PIA -12 (x4)
201445  +0 1206  SQ8AZT SP7CS JO91
201600  +3 1206  DM8ITZ SP7CS JO91 (x3)
202215  +7 1206  SQ8AZT SP7CS R-16
60m
UTC    dB Audio  Message
201745 -11 1501  G3UHU SP7CS -01
201800  -8  594  SP7CS G3UHU R-20
201815 -10 1501  G3UHU SP7CS RR73
201830  -4  594  SP7CS G3UHU 73
201845 -13 1501  Z68PX SP7CS JO91 (x2)
202000  +4  468  SP7CS Z68PX -07
202015  -8 1501  Z68PX SP7CS R-04
202030  +8  468  SP7CS Z68PX RR73
202045 -10 1501  Z68PX SP7CS 73
202100 -10 1501  SP7CS DL1SRS JN49
202115  -8 1501  DL1SRS SP7CS +01
202130 -10 1501  SP7CS DL1SRS R-01
202145 -10 1500  DL1SRS SP7CS RR73
202200  -8 1501  SP7CS DL1SRS 73
20m
UTC    dB Audio  Message
211015 -18 1892  SP7CS F4NKF 73 (x3)
220845 -15 1612  SP7CS HG8LXL KN06 (x3)
224300 -17 1871  SP7CS 5Z4VJ KI88 (x3)
230800 -14 1545  SP7CS A71UN -02
230230  -9 2059  SP7CS WB2IMB FN13 (x5)
10m
UTC    dB Audio  Message
080700 -19 2042  SP7CS PD1ADA JO21 (x2)
085200 -23 1624  SP7CS IT9ACJ -08
093730  +0 2615  SP7CS ON5CD -02 (x2)

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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