SP3JPC — 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: JO71

Receiver-side FT8 activity involving SP3JPC, decoded by SO8OO in southeastern Poland. 171 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 14 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-10-07.

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 171 FT8 messages attributed to SP3JPC as the transmitting token by decoded message structure across 14 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (84%), followed by 20 m (9%) and 80 m (7%). Most decodes (54%) fell within the six-hour window 05:00-11:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (90%); the estimated median was +4 dB.

Overview

171
Messages attributed
14
UTC dates decoded
29
Active 15-min windows
+4 dB
Estimated median S/N

Bands

80m · 12 40m · 144 20m · 15
First attributed message: 2026-06-10
Last attributed message: 2026-10-07 07:34 UTC

Observed FT8 message patterns

Attributed sample
171 messages
Active dates
14 UTC dates
Estimated median S/N
+4 dB
Estimated 10th-90th percentile
-8 to +9 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 17, strong (≥ -8 dB) 154.

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 SP3JPC 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 SP3JPC

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
JO71 · 72 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
508 km (approx.)
Last such locator decoded
2026-10-07 07:16 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 UTCBandSP3JPC S/NCounterpartCounterpart S/NMsgsCapture
10-07 07:34 40m -4 / - MI7XHT - / -11 2 ✓ Closing fragment
10-07 07:17 40m -1 / - OZ7DR - / +10 2 ✓ Closing fragment
10-07 07:15 40m -4 / - OE4BHF - / - 2 Partial capture
09-24 20:19 80m +6 / - F4IAA - / - 2 Partial capture
09-24 20:18 80m - / - IK2RZQ +3 / - 5 Partial capture
09-24 20:18 80m +9 / 0 SP6JUD +6 / - 5 ✓ Full exchange observed
09-24 20:16 80m +6 / -3 UR5SG 0 / +7 4 ✓ Full exchange observed
09-24 20:12 80m +5 / -5 F8GAF 0 / -14 5 ✓ Full exchange observed
09-24 19:19 40m -2 / - PE1JLZ - / -3 2 ✓ Closing fragment
09-24 19:17 40m 0 / - YO4LUP - / -5 2 ✓ Closing fragment
09-24 19:16 40m 0 / - GJ0KYZ -2 / +8 3 ✓ Closing observed
09-24 19:15 40m +3 / 0 DL1IP 0 / +10 5 ✓ Full exchange observed
09-24 19:13 40m +4 / 0 F1PBZ -5 / +6 3 ✓ Full exchange observed
09-24 19:11 40m +4 / - BD8FOD - / - 2 Partial capture
09-24 19:08 40m -8 / - SP3TD - / -15 2 ✓ Closing fragment
09-24 19:06 40m -6 / - OZ7DR - / - 2 Partial capture
09-23 19:36 80m +6 / - Z62NS - / - 2 Partial capture
09-17 11:59 40m -2 / - PC1K - / -21 4 ✓ Closing fragment
09-06 08:35 40m +6 / - DK3WH - / -16 3 ✓ Closing fragment
09-06 08:33 40m +6 / -8 US8KA +4 / +3 5 ✓ Full exchange observed
09-06 08:30 40m +5 / +8 DL6RS -10 / +8 4 ✓ Full exchange observed
09-06 08:29 40m +8 / - SN40KZE - / - 2 Partial capture
09-06 08:26 40m +8 / - DL3KCQ - / +8 2 ✓ Closing fragment
09-06 08:23 40m - / - DL9KM 0 / - 3 Partial capture
09-06 08:23 40m +7 / -7 IU4DTV -6 / -2 5 ✓ Full exchange observed
09-06 08:22 40m +8 / - SH5RJX - / +1 2 ✓ Closing fragment
09-06 08:21 40m +7 / - HB9LBR - / 0 2 ✓ Closing fragment
09-06 08:20 40m +5 / - F1PBZ - / -3 2 ✓ Closing fragment
09-06 08:17 40m +4 / +8 SP9GCZ -8 / - 3 Partial capture
09-06 08:15 40m +6 / - SQ9SET - / - 2 Partial capture
09-06 08:05 40m +4 / - OZ8MW/P -19 / +2 4 ✓ Closing observed
09-06 08:01 40m +5 / - 4O7CC -14 / -12 5 ✓ Closing observed
09-06 07:58 40m +8 / - TF5B - / -9 5 ✓ Closing fragment
09-06 07:56 40m +7 / - UR5WBO -7 / -9 4 ✓ Closing observed
09-06 07:50 40m +5 / - PD0JT/A - / +4 2 Partial capture
09-06 07:45 40m -6 / - SQ9SET - / - 2 Partial capture
09-05 15:24 40m +8 / - 5P2F/P -14 / +9 4 ✓ Closing observed
09-05 15:22 40m +10 / +3 PE1NAO -16 / +5 4 ✓ Full exchange observed
09-05 15:20 40m +10 / - HA5IHJ - / - 2 Partial capture
09-05 15:17 40m +7 / - DM2MAT/P - / -12 2 Partial capture
09-05 15:16 40m +9 / - F4FQY - / -4 3 ✓ Closing fragment
09-05 15:11 40m +7 / - US5WCE - / +7 3 ✓ Closing fragment
09-05 15:10 40m +10 / - G0CLT - / -17 3 ✓ Closing fragment
09-05 15:07 40m +10 / - MW0UPH - / -20 4 ✓ Closing fragment
09-05 15:06 40m +8 / -9 T77NC -5 / -13 6 ✓ Full exchange observed
08-16 09:27 20m -8 / - YT2FA - / -19 5 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
191800  -1  766  YO4LUP SP3JPC RR73
191830  +1  766  CQ SP3JPC JO71 (x2)
191930  -1  766  PE1JLZ SP3JPC -03 (x2)
192030  -4  766  CQ SP3JPC JO71 (x3)
071545  -4  766  OE4BHF SP3JPC JO71 (x2)
071715  +5  766  OZ7DR SP3JPC R+10 (x2)
071830  -6  282  SP3JPC DK8MT JN58
073400  -5  766  MI7XHT SP3JPC R-11 (x2)
80m 
UTC    dB Audio  Message
201700  +8 1731  UR5SG SP3JPC R+07
201715  -4 1761  SP3JPC UR5SG RR73
201730  +3 1730  UR5SG SP3JPC 73
201800  +6 1730  SP6JUD SP3JPC JO71
201815  +6 2130  SP3JPC SP6JUD +00
201830 +10 1731  SP6JUD SP3JPC R+13
201845  +5 2130  SP3JPC SP6JUD RR73
201845  +4  555  SP3JPC IK2RZQ JN45
201900 +10 1730  SP6JUD SP3JPC 73
201930  +7 1731  F4IAA SP3JPC JO71
201945  +2  555  SP3JPC IK2RZQ JN45
202000  +5 1730  F4IAA SP3JPC JO71
202015  +4  555  SP3JPC IK2RZQ JN45 (x3)
20m 
UTC    dB Audio  Message
092715  -2  801  YT2FA SP3JPC JO71 (x5)
093945 -22 1919  SP3JPC 9A6NCC -12

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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