JA9PPC — 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: Japan Most frequent locator attributed to this token: PM86

Receiver-side FT8 activity involving JA9PPC, decoded by SO8OO in southeastern Poland. 120 FT8 messages attributed to this token as transmitter, on 80m, across 8 UTC dates in the available aggregate history. Observed between 2026-10-04 and 2026-10-23.

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 120 FT8 messages attributed to JA9PPC as the transmitting token by decoded message structure across 8 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (100%). Several six-hour UTC windows tied for the largest share (87%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

120
Messages attributed
8
UTC dates decoded
18
Active 15-min windows
-9 dB
Estimated median S/N

Bands

80m · 120
First attributed message: 2026-10-04
Last attributed message: 2026-10-23 15:51 UTC

Observed FT8 message patterns

Attributed sample
120 messages
Active dates
8 UTC dates
Estimated median S/N
-9 dB
Estimated 10th-90th percentile
-16 to -1 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 14, moderate (-15 to -9 dB) 54, strong (≥ -8 dB) 52.

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 JA9PPC 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 JA9PPC

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
PM86 · 71 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
8,497 km (approx.)
Last such locator decoded
2026-10-23 15:51 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 UTCBandJA9PPC S/NCounterpartCounterpart S/NMsgsCapture
10-23 16:04 80m - / -14 A71JJ -16 / - 2 Partial capture
10-23 15:48 80m - / - OM1II +24 / - 10 Partial capture
10-23 15:45 80m -12 / -16 OG1N +16 / -18 11 ✓ Full exchange observed
10-23 15:44 80m - / - OM4AB +6 / - 2 Partial capture
10-23 15:43 80m -12 / - JR4TAG - / -7 2 ✓ Closing fragment
10-23 15:42 80m -12 / -14 YO7CFD +18 / - 3 ✓ Closing observed
10-23 15:39 80m -19 / - WH6GPU - / -9 3 Partial capture
10-22 20:45 80m -16 / -25 OM2IB +18 / - 7 ✓ Closing observed
10-22 19:45 80m - / -18 HA8AR +2 / - 2 ✓ Closing fragment
10-21 20:31 80m - / -4 R4DB 0 / - 2 ✓ Closing fragment
10-18 21:14 80m -16 / - F4EWK - / - 2 Partial capture
10-18 21:13 80m -18 / - DF3IS - / - 2 Partial capture
10-18 21:05 80m -13 / - 7P8GE - / - 5 Partial capture
10-18 20:44 80m - / - DM5KK -4 / - 2 Partial capture
10-18 20:44 80m - / - DO5HB -24 / - 3 Partial capture
10-18 20:42 80m - / -18 DO5RBB -8 / - 5 ✓ Closing fragment
10-18 20:41 80m -12 / -25 SM7TZK +4 / - 3 Partial capture
10-18 20:40 80m - / - OK2AB -5 / - 2 Partial capture
10-18 20:38 80m -7 / -12 ES8TJM -2 / -21 5 ✓ Full exchange observed
10-18 20:37 80m -9 / - DM3ER - / - 2 Partial capture
10-18 20:35 80m -3 / - TF4M - / -20 3 ✓ Closing fragment
10-18 20:34 80m 0 / -16 LA6OP -6 / -16 6 ✓ Full exchange observed
10-18 20:32 80m -2 / - DO5RBB -9 / -17 4 ✓ Closing observed
10-18 20:31 80m -3 / -7 SQ9MSD -2 / -15 5 ✓ Full exchange observed
10-18 20:29 80m -2 / - HA8IB - / -16 4 ✓ Closing fragment
10-18 20:27 80m -4 / - DK2LG - / -19 3 ✓ Closing fragment
10-18 20:26 80m -3 / -5 SQ3DQ 0 / -3 5 ✓ Full exchange observed
10-18 20:24 80m -7 / - DL1CC - / - 2 Partial capture
10-18 20:22 80m -4 / - YL3KZ - / - 2 Partial capture
10-18 20:17 80m 0 / - YL3KZ 0 / -13 4 Partial capture
10-18 20:15 80m 0 / - TF4M - / - 8 Partial capture
10-18 20:09 80m -9 / - DK2LG - / - 3 Partial capture
10-18 20:06 80m - / - PA3KUS -10 / - 5 Partial capture
10-18 20:01 80m -8 / -12 DM5KM +21 / -14 9 ✓ Full exchange observed
10-18 19:59 80m -3 / -19 YU7BW +11 / -1 5 ✓ Full exchange observed
10-17 20:16 80m - / -2 YO9BPX +7 / - 2 ✓ Closing fragment
10-17 20:06 80m -24 / -17 LY1DY -1 / - 4 ✓ Closing observed
10-16 20:32 80m - / -14 IZ8FWN +5 / - 3 Partial capture
10-16 14:17 80m - / +3 OI7AX -8 / - 2 ✓ Closing fragment
10-15 21:19 80m - / -24 LY7T +10 / - 3 Partial capture
10-15 20:41 80m - / -21 ON4IQ +13 / - 5 ✓ Closing fragment
10-15 20:24 160m - / - R3ZMM -14 / - 2 Partial capture
10-15 20:16 160m - / -17 SM4IED -2 / - 2 ✓ Closing fragment
10-15 20:07 160m - / -22 SP3BPU +16 / - 5 ✓ Closing fragment
10-11 21:06 80m -22 / - G0IUS - / - 2 Partial capture
10-11 21:03 80m -10 / - HB9BLQ - / - 2 Partial capture
10-11 20:59 80m -10 / -17 R3HH -2 / -10 6 ✓ Full exchange observed
10-11 20:57 80m -11 / -19 HA1YN +6 / -20 5 ✓ Full exchange observed
10-11 20:54 80m -10 / - SP7MOC -12 / -6 4 ✓ Closing observed
10-09 21:04 80m -10 / - IN3WZS - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
154945 +24 3001  JA9PPC OM1II JN88
154945 +14 2317  JA9PPC OG1N -16
155000 -12 2469  OG1N JA9PPC R-18
155015 +25 3001  JA9PPC OM1II JN88
155015 +18 2317  JA9PPC OG1N RR73
155030 -13 2469  OG1N JA9PPC 73
155045 +28 3001  JA9PPC OM1II JN88 (x2)
155130  -8 2469  RK4FH JA9PPC PM86
155145 +25 3001  JA9PPC OM1II JN88 (x4)
160445 -18  742  JA9PPC A71JJ -14 (x2)
160m 
UTC    dB Audio  Message
200700 +17 2599  JA9PPC SP3BPU JO82 (x5)
201630  -2 1996  JA9PPC SM4IED -17 (x2)
201800  +9  840  JA9PPC SQ3RX JO81
202415 -13 2408  JA9PPC R3ZMM KO90 (x2)
174445  -9 1831  JA9PPC OH2FT -13
175815 -15 2132  JA9PPC UA4PPQ LO54
175815  +0  294  JA9PPC G0OIL 73
10m 
UTC    dB Audio  Message
094645  -8 1781  JA9PPC EA8UP R-04 (x2)
103645  -7 1841  JA9PPC F4FSY -10 (x2)
113100 -20 1693  JA9PPC F1SZC IN95 (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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