CT7AUT — 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: Portugal Most frequent locator attributed to this token: IM67

Receiver-side FT8 activity involving CT7AUT, decoded by SO8OO in southeastern Poland. 34,318 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 139 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-22.

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 34,318 FT8 messages attributed to CT7AUT as the transmitting token by decoded message structure across 139 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (43%), followed by 20 m (25%) and 80 m (23%). Most decodes (57%) fell within the six-hour window 22:00-04:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -14 dB.

Overview

34,318
Messages attributed
139
UTC dates decoded
3,408
Active 15-min windows
-14 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-10-22 12:27 UTC

Observed FT8 message patterns

Attributed sample
34,318 messages
Active dates
139 UTC dates
Estimated median S/N
-14 dB
Estimated 10th-90th percentile
-21 to -6 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 13,268, moderate (-15 to -9 dB) 14,589, strong (≥ -8 dB) 6,461.

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 CT7AUT

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
IM67 · 25,529 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,671 km (approx.)
Last such locator decoded
2026-10-22 12:27 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 UTCBandCT7AUT S/NCounterpartCounterpart S/NMsgsCapture
10-22 12:25 10m -16 / - HA5SC - / +3 2 ✓ Closing fragment
10-22 12:22 10m -19 / - HA7KPI - / -15 3 ✓ Closing fragment
10-22 12:18 10m -10 / - UA3WG - / -5 2 ✓ Closing fragment
10-22 12:13 10m -6 / - ZS6RFI - / - 3 Partial capture
10-22 12:12 10m -4 / - OD5ZZ - / -19 3 ✓ Closing fragment
10-22 12:09 10m -9 / - YB3BBF - / -10 3 Partial capture
10-22 07:23 40m - / - IU5WQH -14 / - 2 ✓ Closing fragment
10-22 07:17 40m - / -5 ON6KHI -21 / - 2 Partial capture
10-22 06:40 40m - / -16 I4VOL -12 / - 2 ✓ Closing fragment
10-22 06:04 40m -16 / - SK2TT - / 0 2 ✓ Closing fragment
10-22 06:03 40m -17 / - SP7CAF - / -21 2 ✓ Closing fragment
10-22 05:59 40m -12 / - UB3DLM - / -17 2 ✓ Closing fragment
10-22 05:49 40m -11 / - DL6UXL - / -10 5 Partial capture
10-22 05:46 40m -12 / - N9MMR - / -15 3 Partial capture
10-22 05:43 40m -14 / - DJ8TX - / -14 2 ✓ Closing fragment
10-22 05:41 40m -16 / - EU1EU - / -11 2 ✓ Closing fragment
10-22 05:39 40m -15 / -6 IZ5HEV -18 / -16 5 ✓ Full exchange observed
10-22 05:29 40m -15 / - SP5KG - / -9 3 ✓ Closing fragment
10-22 05:28 40m -12 / +6 F4NGR -5 / +2 5 ✓ Full exchange observed
10-22 05:23 40m -12 / - SP5KG - / -25 2 Partial capture
10-22 05:14 40m -16 / - AD8AK - / -8 6 ✓ Closing fragment
10-22 04:49 40m -22 / - KF0JJF - / -21 2 ✓ Closing fragment
10-22 04:19 40m -14 / - N8PFK - / -10 3 Partial capture
10-22 04:16 40m -17 / - WA3TLT - / -9 4 ✓ Closing fragment
10-22 04:13 40m -19 / - SQ8AA - / -9 2 ✓ Closing fragment
10-22 04:06 40m -14 / - K4NCC - / -16 2 ✓ Closing fragment
10-22 04:03 40m -15 / - ZW5K - / -17 2 ✓ Closing fragment
10-22 03:59 40m -13 / - SP9UXS - / -9 3 ✓ Closing fragment
10-22 03:55 40m -16 / - R6ZS - / -6 2 ✓ Closing fragment
10-22 03:50 40m -17 / - IK0ALT - / -5 2 ✓ Closing fragment
10-22 03:46 40m -16 / - UR5SG - / +1 2 ✓ Closing fragment
10-22 03:35 40m -8 / - K6XX - / -8 4 Partial capture
10-22 03:32 40m -6 / - W4SFD - / -11 2 ✓ Closing fragment
10-22 03:17 40m -14 / - R6LQU - / +2 2 ✓ Closing fragment
10-22 03:08 40m -8 / - W1MDK - / +1 2 ✓ Closing fragment
10-22 03:00 40m -14 / - KB8IXB - / -20 7 ✓ Closing fragment
10-22 01:03 40m -8 / - KR4EZM - / -13 4 ✓ Closing fragment
10-22 01:00 40m -11 / -7 HK4QXX -20 / - 4 Partial capture
10-22 00:57 80m -9 / -6 SN0EG +13 / 0 4 ✓ Full exchange observed
10-22 00:52 80m -4 / - AP2HA - / - 8 Partial capture
10-22 00:51 80m -4 / - DK5OPA +3 / -18 3 ✓ Closing observed
10-22 00:48 80m -4 / -3 CU2JX -10 / +1 4 ✓ Full exchange observed
10-22 00:35 60m -9 / - WP3UX - / - 2 Partial capture
10-22 00:29 60m -12 / - TA4SSK - / -15 3 ✓ Closing fragment
10-22 00:26 60m -11 / - SV4FFK - / -4 5 ✓ Closing fragment
10-22 00:24 60m -13 / -6 C31KC -15 / +2 6 ✓ Full exchange observed
10-21 22:55 40m -12 / - VE2FXR - / -8 2 Partial capture
10-21 22:52 40m -12 / - HS5GEA - / - 3 Partial capture
10-21 22:50 60m -15 / - 4L7T - / - 3 Partial capture
10-21 22:44 60m -14 / -6 M1FCV -8 / -13 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
122000 -10 1533  CQ CT7AUT IM67 (x4)
122200 -14 1533  HA7KPI CT7AUT -15 (x3)
122330 -15 1532  CQ CT7AUT IM67 (x4)
122530 -18 1533  HA5SC CT7AUT +03 (x2)
122630 -21 1533  CQ CT7AUT IM67 (x2)
40m
UTC    dB Audio  Message
061230 -22 1458  CQ CT7AUT IM67 (x6)
063830 -21 1458  G4SRT CT7AUT RR73
064015 -15 1310  CT7AUT I4VOL R-16 (x2)
064100 -17 1457  CQ CT7AUT IM67
064845 -10 2057  CT7AUT DL3KCQ JO30
071745 -22 1458  CT7AUT ON6KHI JO20 (x2)
072315 -13 1458  CT7AUT IU5WQH R+20 (x2)
80m
UTC    dB Audio  Message
005215  -3 1426  AP2HA CT7AUT IM67 (x8)
005615  -3 1426  CQ CT7AUT IM67 (x2)
005700 +15 1802  CT7AUT SN0EG JO73
005715  -9 1426  SN0EG CT7AUT +00
005730 +13 1802  CT7AUT SN0EG R-06 (x2)
005815  -4 1427  CQ CT7AUT IM67
60m
UTC    dB Audio  Message
002515  -9 1454  C31KC CT7AUT R+02
002530 -15 1502  CT7AUT C31KC RR73
002545 -13 1454  C31KC CT7AUT 73
002600 -16 1502  CT7AUT C31KC 73
002615 -10 1455  SV4FFK CT7AUT IM67 (x5)
002915 -12 1455  TA4SSK CT7AUT IM67 (x3)
003145  -2 1454  WP3UX CT7AUT IM67 (x3)
160m
UTC    dB Audio  Message
211115  -5 2748  CT7AUT LX1JX RR73 (x2)
211400  +1 1395  CT7AUT G6PZ -22 (x2)
212930 -20 2053  CT7AUT C37AC -12 (x3)
214430  +5 2196  CT7AUT IW4AOT -25
193115  -2 2351  CT7AUT YL3CW -19 (x2)
193315  -7 1624  CT7AUT LA9JKA -16 (x2)
194200  -1 2249  CT7AUT EA3A -17 (x2)
195315  +7  852  CT7AUT SP5GW KO12
20m
UTC    dB Audio  Message
161415 -15 1528  RA0QK/8 CT7AUT IM67 (x2)
161615  -4 1528  CQ CT7AUT IM67
161645  -1 1528  IZ2CDP CT7AUT IM67 (x9)
162145  +0 1528  IW5ALZ CT7AUT -08 (x2)
162330  -1 1528  CQ CT7AUT IM67

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

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee