KC1TXB — 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: United States Most frequent locator attributed to this token: FN41

Receiver-side FT8 activity involving KC1TXB, decoded by SO8OO in southeastern Poland. 107 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 29 UTC dates in the available aggregate history. Observed between 2026-06-09 and 2026-10-20.

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 107 FT8 messages attributed to KC1TXB as the transmitting token by decoded message structure across 29 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (57%), followed by 40 m (43%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -16 dB.

Overview

107
Messages attributed
29
UTC dates decoded
62
Active 15-min windows
-16 dB
Estimated median S/N

Bands

40m · 46 20m · 61
First attributed message: 2026-06-09
Last attributed message: 2026-10-20 01:32 UTC

Observed FT8 message patterns

Attributed sample
107 messages
Active dates
29 UTC dates
Estimated median S/N
-16 dB
Estimated 10th-90th percentile
-22 to -9 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 56, moderate (-15 to -9 dB) 42, strong (≥ -8 dB) 9.

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 KC1TXB 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 KC1TXB

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
FN41 · 71 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
6,791 km (approx.)
Last such locator decoded
2026-09-23 02:35 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 UTCBandKC1TXB S/NCounterpartCounterpart S/NMsgsCapture
10-21 01:37 60m - / - G0AZH -4 / - 7 Partial capture
10-20 01:31 40m - / - PC2J -2 / - 2 Partial capture
10-19 02:04 40m - / - EB3JT -17 / - 2 Partial capture
10-16 02:26 40m - / -7 F4EWK -1 / - 3 ✓ Closing fragment
10-16 00:49 40m - / - G6NBF -18 / - 2 Partial capture
10-15 01:56 40m - / - HB9TIH +2 / - 5 Partial capture
10-15 01:26 40m - / - RN6HK +4 / - 2 Partial capture
10-14 01:27 40m - / - HB9TIH +1 / - 5 Partial capture
10-12 02:18 40m - / -6 EA4D -15 / - 4 ✓ Closing fragment
10-12 02:07 80m - / - K4YT -20 / - 2 Partial capture
10-06 02:13 40m - / - F6FDY -14 / - 3 Partial capture
10-05 02:27 40m - / - F5PBG -12 / - 2 Partial capture
10-05 02:27 40m - / - OK1DXR -16 / - 3 Partial capture
10-05 00:36 40m - / - DL3MIB +7 / - 7 Partial capture
10-04 02:13 40m - / - F5PBG -5 / - 2 Partial capture
10-04 02:01 60m - / - F5MXH -6 / - 2 Partial capture
10-04 00:57 40m - / - IW9FRA -15 / - 11 Partial capture
10-02 02:43 40m - / -3 SV8TOZ -3 / - 3 Partial capture
10-02 02:35 40m - / - NP4VA -18 / - 2 Partial capture
10-02 02:20 60m - / - G0AZH -7 / - 5 Partial capture
10-02 02:12 40m - / - OO0O -12 / - 8 Partial capture
09-30 01:49 60m - / -11 F1TXI +3 / - 2 ✓ Closing fragment
09-29 01:33 40m - / - PC2J +2 / - 5 Partial capture
09-28 02:40 40m - / -9 F1PBZ +4 / - 2 Partial capture
09-25 02:20 40m - / - NP4VA -10 / - 2 Partial capture
09-25 02:20 40m - / - WD4OBP -22 / - 2 Partial capture
09-25 01:58 60m - / - KP4GBF -22 / - 3 Partial capture
09-25 01:57 60m - / - ON8BB +6 / - 6 Partial capture
09-25 01:55 40m - / - WD4OBP -16 / - 2 Partial capture
09-25 01:53 40m - / - EC3A -4 / - 2 Partial capture
09-25 01:30 40m - / - EB3JT -7 / - 7 Partial capture
09-23 02:38 40m - / - WD4OBP -18 / - 4 Partial capture
09-23 02:35 40m - / -14 UA6BCN +7 / - 3 Partial capture
09-23 01:16 40m -10 / +2 W3L -21 / - 2 Partial capture
09-22 02:04 40m - / - F5PBG -6 / - 2 Partial capture
09-22 02:03 40m - / -19 R7HL +4 / - 3 ✓ Closing fragment
09-22 00:26 80m - / - F4UJU +1 / - 3 Partial capture
09-19 02:16 60m - / - ON8BB +3 / - 6 Partial capture
09-18 00:58 40m - / - UA4FKT +8 / - 2 Partial capture
09-16 02:40 40m - / -19 F4CQS -2 / - 2 Partial capture
09-15 02:43 40m - / - M1EAG -4 / - 2 Partial capture
09-14 01:24 40m - / -9 EA1CQ -12 / - 2 Partial capture
09-14 01:16 40m - / - DL3MIB -1 / - 7 Partial capture
09-13 02:19 60m - / - G0AZH -8 / - 3 Partial capture
09-13 01:50 40m - / +7 GM6URC -22 / - 2 Partial capture
09-11 02:44 40m - / - IW9FRA -11 / - 11 Partial capture
09-10 02:01 40m - / -15 J38LD -16 / - 3 ✓ Closing fragment
09-10 01:18 40m - / -20 EG26PDA +1 / - 2 Partial capture
09-10 00:08 40m - / -17 EA1CQ -9 / - 3 Partial capture
09-09 00:13 40m - / - EB3JT -3 / - 7 Partial capture

Recent FT8 messages decoded at SO8OO

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

60m 
UTC    dB Audio  Message
022100  -2  631  KC1TXB G0AZH IO83 (x3)
020100  -6 1439  KC1TXB F5MXH JN07 (x2)
011030 -16 1234  KC1TXB SP5EXA KO02
011030  -2 2281  KC1TXB F5HNQ IN98 (x2)
013730  -7  579  KC1TXB G0AZH IO83 (x7)
40m 
UTC    dB Audio  Message
015800  +5 1167  KC1TXB HB9TIH JN36 (x2)
004930 -20 1543  KC1TXB G6NBF IO93 (x2)
021400 -13  769  KC1TXB IW9FRA JM68
022600  -2 2039  KC1TXB F4EWK R-07 (x3)
020400 -16 1140  KC1TXB EB3JT JN01 (x2)
011930 -10 1138  KC1TXB PC2J JO22
012030 -24 1556  KC1TXB YY5EHT 73
013100  +0 1138  KC1TXB PC2J JO22 (x2)
013215 -18 1137  K8CTR KC1TXB RR73
80m 
UTC    dB Audio  Message
020100 -19  985  KC1TXB N8NZM -18
022400  -7  917  KC1TXB K4YT FM19 (x8)
002600  +1 1410  KC1TXB F4UJU JN06 (x3)
020730 -20  512  KC1TXB K4YT FM19 (x2)
20m 
UTC    dB Audio  Message
005715 -15  978  CQ KC1TXB FN41 (x3)
011100  -6 1975  KC1TXB SV5BYP KM46
011200  -8 1049  KC1TXB DL3MIB JN57 (x2)
011400  -5  974  KC1TXB DK9ZQ JO41
011430 -10 1049  KC1TXB DL3MIB JN57
011430  -7  975  KC1TXB DK9ZQ JO41 (x3)
005345  -9  977  CQ DX KC1TXB FN41
013930 -15 2166  KC1TXB 5Z4VJ KI88 (x3)

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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