N3CZ — 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: EM85

Receiver-side FT8 activity involving N3CZ, decoded by SO8OO in southeastern Poland. 15 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-07-21 and 2026-10-21.

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 15 FT8 messages attributed to N3CZ as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (67%), followed by 20 m (27%) and 40 m (7%). In this small sample, the estimated median decoder S/N was -16 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-16 dB

Estimated median S/N

Bands

80m · 10 40m · 1 20m · 4

First attributed message: 2026-07-21
Last attributed message: 2026-10-21 03:56 UTC

Observed FT8 message patterns

Attributed sample: 15 messages
Active dates: 4 UTC dates
Estimated median S/N: -16 dB
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 8, moderate (-15 to -9 dB) 7, strong (≥ -8 dB) 0.

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 N3CZ in decoded directed-looking exchanges:

PA4PA · Netherlands ×2 TT1GD · Chad V26OC · Antigua & Barbuda C31US · Andorra GJ0KYZ · Jersey 4X4DK · Israel 5B4VL · Cyprus DL1RB · Fed. Rep. of Germany HA5WA · Hungary HB9SNR · Switzerland 2W0YOX · Wales EC6DX · Balearic Islands

Most frequent locator attributed to N3CZ

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: EM85 · 4 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 7,995 km (approx.)
Last such locator decoded: 2026-10-21 03:44 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 UTC	Band	N3CZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-21 03:53	80m	-20 / -12	MI0NWA	+4 / -12	3	✓ Full exchange observed
10-21 03:53	80m	-24 / -	9A60CBM	+6 / -16	7	Partial capture
10-21 03:52	80m	- / -15	PA3FPQ	+15 / -	2	✓ Closing fragment
10-21 03:49	80m	- / -	PA3FPQ	+8 / -	3	Partial capture
10-21 03:48	80m	-16 / -6	EC6DX	-8 / -10	4	✓ Full exchange observed
10-21 03:42	80m	-17 / -6	2W0YOX	+3 / -16	6	✓ Full exchange observed
10-21 02:29	160m	- / -14	HB9CXZ	+4 / -	5	Partial capture
10-21 02:25	60m	- / -11	DL1RB	+6 / -	2	✓ Closing fragment
10-10 04:01	60m	- / -14	EA6NB	+3 / -	3	Partial capture
10-05 04:15	60m	- / -14	4X4DK	+1 / -	3	✓ Closing fragment
10-02 04:10	160m	- / -23	DL3IAE	-1 / -	3	Partial capture
10-01 01:59	60m	- / -17	HB9SNR	-6 / -	2	✓ Closing fragment
10-01 01:37	60m	- / -	HB9SNR	-6 / -	2	Partial capture
09-30 01:21	60m	- / -7	PA4PA	+8 / -	2	✓ Closing fragment
09-23 00:42	80m	-10 / -16	RI1FJZ	-17 / -	9	✓ Closing observed
09-23 00:38	80m	- / -17	RI1FJZ	-21 / -	4	Partial capture
09-13 02:53	60m	- / -12	5B4VL	+4 / -	2	✓ Closing fragment
09-10 00:19	60m	- / -16	PA4PA	+12 / -	2	✓ Closing fragment
08-16 22:32	20m	- / -	DL1R	+5 / -	8	Partial capture
08-16 19:45	20m	- / -20	EA4T	-17 / -	3	Partial capture
08-16 19:24	20m	- / -16	EA4T	-16 / -	3	Partial capture
08-01 21:37	20m	- / -	ON3ABR	-6 / -	4	Partial capture
07-27 13:32	20m	- / -	M0XCZ	-7 / -	4	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
035000  +8  507  N3CZ PA3FPQ JO32 (x3)
035300  +2 1429  N3CZ F4EGM JN29
035300  +5 1888  <N3CZ> 9A60CBM
035330  +4  666  N3CZ MI0NWA -12
035330 +10 1888  <N3CZ> 9A60CBM
035345 -20 1356  MI0NWA N3CZ R-12
035400  +4  666  N3CZ MI0NWA RR73
035400  +6 1888  N3CZ 9A60CBM (x3)
035515 -24 1356  P4/WE9V N3CZ -16
035545 -24 1890  9A60CBM N3CZ -16 (x2)

160m

UTC    dB Audio  Message
005345 -20 2075  N3CZ V26OC RR73
041000  -3 1914  N3CZ DL3IAE -23 (x3)
022915  +0 2187  N3CZ HB9CXZ -14 (x5)

60m

UTC    dB Audio  Message
015945  -7 1395  N3CZ HB9SNR RR73
031615 -22 1308  N3CZ IS0AWZ -09
064145  -8  592  N3CZ GM0OPS -14
041200 -14 1705  N3CZ IW3AGO R-13
041530  +1 2140  N3CZ 4X4DK KM71 (x3)
040115  +3 1365  N3CZ EA6NB -14 (x3)
015900  -7  435  N3CZ RR73; OM5KM <...> -08
021800  -7 2298  N3CZ EC1AP -06
022315 -19 1282  N3CZ HA5WA RR73
022515  +5 1034  N3CZ DL1RB -11 (x2)

40m

UTC    dB Audio  Message
033245 -23 1649  N3CZ G5TV IO93
042215 -12 2637  <...> N3CZ EM85
042800 -13 2015  N3CZ IU3WNU -25
042800 -14 1158  N3CZ CT2HEX IM58
082615 -15  938  N3CZ GJ0KYZ RR73

10m

UTC    dB Audio  Message
130800  -8  643  N3CZ TT1GD RR73
143200 -10 1594  N3CZ CS7BPG IN51

20m

UTC    dB Audio  Message
203100 -16 2255  N3CZ PI4DX -17
192430 -15 1376  N3CZ EA4T -16 (x6)
223200  -3 2655  N3CZ DL1R JN58 (x8)

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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