CT7BCP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Portugal Most frequent locator attributed to this token: IM58

Receiver-side FT8 activity involving CT7BCP, decoded by SO8OO in southeastern Poland. 116 FT8 messages attributed to this token as transmitter, on 20m, across 1 UTC dates in the available aggregate history. Last observed 2026-07-25.

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 116 FT8 messages attributed to CT7BCP as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). In this small sample, the estimated median decoder S/N was -17 dB; no usual signal pattern is inferred.

Overview

116
Messages attributed
1
UTC dates decoded
18
Active 15-min windows
-17 dB
Estimated median S/N

Bands

20m · 116
First attributed message: 2026-07-25
Last attributed message: 2026-07-25 21:01 UTC

Observed FT8 message patterns

Attributed sample
116 messages
Active dates
1 UTC dates
Estimated median S/N
-17 dB
Estimated 10th-90th percentile
-20 to -13 dB
Recurring-pattern threshold
Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 79, moderate (-15 to -9 dB) 36, strong (≥ -8 dB) 1.

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with CT7BCP 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 CT7BCP

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
IM58 · 93 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,737 km (approx.)
Last such locator decoded
2026-07-25 21:01 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 UTCBandCT7BCP S/NCounterpartCounterpart S/NMsgsCapture
07-26 18:28 10m - / +3 PF7DKW -17 / - 5 ✓ Closing fragment
07-26 18:27 10m - / - TA3OER -22 / - 2 ✓ Closing fragment
07-26 15:05 10m - / - DN9OPA -12 / - 6 Partial capture
07-26 14:42 10m - / -17 F6DJL -18 / - 3 ✓ Closing fragment
07-26 14:32 10m - / - DN9OPA -6 / - 5 Partial capture
07-26 14:31 10m - / -14 DH1GKS -10 / - 5 ✓ Closing fragment
07-25 20:54 20m - / - SV1EKI -2 / - 3 Partial capture
07-25 20:50 20m - / - EA1IOK -6 / - 3 Partial capture
07-25 20:46 20m - / - SV1EKI -4 / - 7 Partial capture
07-25 20:38 20m - / - EA1IOK -12 / - 4 Partial capture
07-25 20:29 20m - / - PD8F +4 / - 6 Partial capture
07-25 20:21 20m - / -16 F1ODM -6 / - 4 Partial capture
07-25 20:16 20m - / +7 F1ODM -7 / - 5 Partial capture
07-25 20:13 20m - / - IK4LZH -4 / - 2 Partial capture
07-25 19:52 20m -17 / -16 UA6YW +2 / -1 3 ✓ Full exchange observed
07-25 19:46 20m -19 / - EA5JYL - / +7 2 ✓ Closing fragment
07-25 19:09 20m -16 / - M0HQM - / -13 2 Partial capture
07-25 19:03 20m -16 / - RA6OY - / - 3 ✓ Closing fragment
07-25 18:57 20m -10 / - DB5ABS/P - / +2 2 ✓ Closing fragment
07-25 18:46 20m - / -15 YO4IAO -12 / - 2 Partial capture
07-25 18:37 20m - / - 2E0WWG -12 / - 2 ✓ Closing fragment
07-25 18:35 20m - / - IK4LZH -1 / - 4 Partial capture
07-25 18:12 20m - / - SV2AOB -13 / - 3 ✓ Closing fragment
07-25 18:09 20m -16 / -7 RO6OT -15 / 0 3 ✓ Full exchange observed
07-25 18:06 20m - / -10 R6LQU -12 / - 2 ✓ Closing fragment
07-25 17:46 20m - / -14 EA2BHE -10 / - 3 ✓ Closing fragment
07-25 17:13 20m - / -16 IN3NHZ -14 / - 2 ✓ Closing fragment
07-25 17:04 20m - / -17 EB3JT +4 / - 3 Partial capture
07-25 17:01 20m - / -22 DL1UDO -16 / - 3 ✓ Closing fragment
07-25 16:57 20m - / - IK4LZH -5 / - 4 Partial capture
07-25 16:49 20m -17 / -15 DG5DR 0 / - 8 ✓ Closing observed
07-25 16:46 20m - / 0 DK9NP -1 / - 4 Partial capture
07-25 16:42 20m - / - IK4LZH -10 / - 4 Partial capture
07-25 16:37 20m -20 / - M8KKH -10 / -14 2 Partial capture
07-25 16:21 20m -13 / -3 DJ1TU -3 / +9 3 Partial capture
07-25 16:12 20m - / - DJ1TU -7 / - 4 Partial capture
07-25 16:01 20m - / -14 DK4RH -15 / - 3 ✓ Closing fragment
07-25 15:37 20m - / - DJ1TU -10 / - 4 Partial capture
07-25 15:36 20m - / - F4EDB -11 / - 2 Partial capture
07-25 15:35 20m - / - G3ROY -16 / - 2 Partial capture
07-25 15:26 20m - / - DL1R -6 / - 6 Partial capture
07-25 15:15 20m - / -9 F6CAX -9 / - 2 ✓ Closing fragment
07-25 15:02 20m - / - F1PPH -8 / - 2 Partial capture
07-25 14:59 20m - / - PD9FLX -13 / - 2 ✓ Closing fragment
07-25 14:54 20m - / - F1PPH -12 / - 2 Partial capture
07-18 14:26 10m - / - IU0VOG -11 / - 2 Partial capture
07-18 13:06 10m - / -13 F4LNM -11 / - 5 ✓ Closing fragment
07-18 12:25 10m - / -17 PD0HLA -7 / - 3 ✓ Closing fragment
07-18 12:03 10m - / -22 PD0HLA -5 / - 3 Partial capture
07-18 12:01 10m - / - IK1MJK/P -13 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m 
UTC    dB Audio  Message
144315 -22 1513  CT7BCP F6DJL 73
150545 -15 2407  CT7BCP DN9OPA JN38 (x6)
182215 -18 1513  CT7BCP TA3OER KN30 (x3)
182845 -17 1512  CT7BCP PF7DKW +03 (x5)
20m 
UTC    dB Audio  Message
204745  -5 2747  CT7BCP SV1EKI KM18
204800 -13 1046  CQ CT7BCP IM58
204815  -2 2747  CT7BCP SV1EKI KM18 (x3)
205045  -5  512  CT7BCP EA1IOK IN62 (x3)
205330 -13 1046  CQ CT7BCP IM58                        a1
205415  +0 2747  CT7BCP SV1EKI KM18 (x3)
205700 -15 1046  CQ CT7BCP IM58 (x2)
210145 -13 1044  CT7BCP LU3DLY -18

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