4X1ZQ — 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: Israel Most frequent locator attributed to this token: KM72

Receiver-side FT8 activity involving 4X1ZQ, decoded by SO8OO in southeastern Poland. 585 FT8 messages attributed to this token as transmitter, on 60m, 40m, 20m, 10m, across 49 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-11-06.

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 585 FT8 messages attributed to 4X1ZQ as the transmitting token by decoded message structure across 49 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (73%), followed by 10 m (14%) and 40 m (11%). The busiest six-hour window was 18:00-00:00 UTC, containing 47% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

585
Messages attributed
49
UTC dates decoded
112
Active 15-min windows
-9 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-11-06 09:01 UTC

Observed FT8 message patterns

Attributed sample
585 messages
Active dates
49 UTC dates
Estimated median S/N
-9 dB
Estimated 10th-90th percentile
-17 to +2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 95, moderate (-15 to -9 dB) 203, strong (≥ -8 dB) 287.

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 4X1ZQ

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
KM72 · 434 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,224 km (approx.)
Last such locator decoded
2026-11-06 09:01 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 UTCBand4X1ZQ S/NCounterpartCounterpart S/NMsgsCapture
11-06 08:57 10m -12 / - VK8MC - / - 7 Partial capture
11-05 07:52 10m -7 / - XV9B - / - 8 Partial capture
11-05 07:43 10m -12 / - XV9B - / - 5 Partial capture
11-03 14:31 40m - / -14 UN7LZ -8 / - 2 ✓ Closing fragment
11-02 22:13 40m - / -7 5B4AMM -17 / - 2 ✓ Closing fragment
11-02 20:31 40m - / -12 RA3ZH -8 / - 2 ✓ Closing fragment
11-02 20:29 40m - / -7 SV5BYP -2 / - 4 ✓ Closing fragment
11-02 19:44 40m - / - CT7BRV -3 / - 6 Partial capture
11-02 19:35 40m - / -22 SV5BYP -14 / - 4 Partial capture
11-02 18:28 40m -14 / - ER1BF - / - 2 Partial capture
11-02 18:28 40m - / -10 SV5BYP -6 / - 4 Partial capture
10-31 21:34 40m -15 / -15 T77R -5 / -13 7 ✓ Full exchange observed
10-31 17:45 40m -17 / 0 OH5KNL +16 / - 3 ✓ Closing observed
10-31 10:51 10m -5 / - UN0GY - / - 8 Partial capture
10-29 21:31 40m - / -19 EX7CQ -10 / - 2 ✓ Closing fragment
10-29 21:27 40m - / -20 EX7CQ -8 / - 2 Partial capture
10-29 21:16 60m - / - CT7BRV -3 / - 5 Partial capture
10-29 21:15 60m -20 / - HB0CC - / - 2 Partial capture
10-27 05:24 40m - / -18 LX1TI +10 / - 2 ✓ Closing fragment
10-23 13:55 10m -10 / - C50A - / - 41 Partial capture
10-23 10:34 10m -10 / - TF8KW - / - 2 Partial capture
10-14 23:03 40m -2 / -1 TA2LE -20 / - 3 ✓ Closing observed
10-14 23:01 40m -8 / -1 SV1MOZ -8 / -19 5 ✓ Full exchange observed
10-14 23:00 40m -4 / - UN0GY -9 / -14 3 ✓ Closing observed
10-14 22:56 40m - / - IU8RFW -18 / - 4 Partial capture
10-14 22:55 40m -4 / - SP6AXW - / -18 2 ✓ Closing fragment
10-14 22:52 40m -8 / - EP2AES - / - 3 ✓ Closing fragment
10-12 21:42 40m -17 / -17 EA3EDU -1 / -19 10 ✓ Full exchange observed
10-12 21:41 40m -16 / - GW0ARK - / - 2 Partial capture
10-12 21:36 40m -16 / -22 GI4SNA +1 / -14 12 ✓ Full exchange observed
10-07 19:27 40m - / -19 MW0USK -10 / - 2 Partial capture
10-07 19:09 60m -15 / -9 DF7EF +12 / - 4 ✓ Closing observed
10-04 20:21 40m - / - UR9QQ -11 / - 4 Partial capture
10-04 20:18 40m -15 / -16 EA8Y -6 / - 3 ✓ Closing observed
10-04 20:18 40m - / - RA6AR -8 / - 2 Partial capture
10-04 20:18 40m - / - LZ4VR -4 / - 2 Partial capture
10-04 20:17 40m - / -3 TA2VUZ -16 / - 2 ✓ Closing fragment
10-04 20:15 40m - / - UR9QQ -13 / - 2 Partial capture
10-04 20:12 40m - / - UR9QQ -12 / - 2 Partial capture
10-04 20:03 40m -8 / -16 HB9EFK +10 / - 3 ✓ Closing observed
10-03 15:48 10m -9 / - <...> - / - 2 Partial capture
10-03 15:45 10m -9 / - RD1A/P - / - 3 Partial capture
10-03 15:43 10m -9 / - HH2JR - / - 5 Partial capture
09-08 00:03 40m - / - LZ2KV +4 / - 2 Partial capture
09-01 23:28 40m -17 / - YB5QZ - / - 3 Partial capture
08-31 20:26 40m -20 / -13 EW4MO -7 / - 6 Partial capture
08-30 23:32 40m -20 / - CU6AB - / - 3 Partial capture
08-30 23:27 40m -18 / -18 EA9ABC -16 / -15 11 ✓ Full exchange observed
08-30 23:24 40m -16 / - ER1BF - / - 2 Partial capture
08-30 23:20 40m - / -14 EC3A -7 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
075230 -10 2320  XV9B 4X1ZQ KM72 (x8)
085700  -3  381  VK8MC 4X1ZQ KM72 (x7)
40m
UTC    dB Audio  Message
194530  -3 2058  4X1ZQ CT7BRV IM58 (x3)
195930 -12 1359  4X1ZQ SV5BYP RR73
201100 -16  238  4X1ZQ 3A2LF +01
202900  -2 1420  4X1ZQ SV5BYP -07 (x4)
203130  -7 2733  4X1ZQ RA3ZH R-12 (x2)
221315 -17 1946  4X1ZQ 5B4AMM -07 (x2)
143100  -7  616  4X1ZQ UN7LZ -14 (x2)
60m
UTC    dB Audio  Message
190830 -14 2429  4X1ZQ SV5/TF1OL -08
190930 +14 2554  4X1ZQ DF7EF JO30 (x2)
191015 -15 2485  DF7EF 4X1ZQ RR73
191030  +1  739  4X1ZQ SM1NJC JO97
191030 +12 2554  4X1ZQ DF7EF 73
171315 -21 2110  Z31B 4X1ZQ KM72
211530 -17 1445  HB0CC 4X1ZQ KM72 (x2)
211645  -2 2485  4X1ZQ CT7BRV IM58 (x5)
213715 +11 1494  4X1ZQ LX2A -06
20m
UTC    dB Audio  Message
054945  +1  398  VK4BPK 4X1ZQ KM72 (x4)
055300  -3  397  4X1ZQ F5PBG IN78 (x4)
183245 -14 2501  JA1XZF 4X1ZQ KM72 (x6)
062100 -14 2460  VK3JV 4X1ZQ KM72

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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