SP6CRZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: JO81

Receiver-side FT8 activity involving SP6CRZ, decoded by SO8OO in southeastern Poland. 88 FT8 messages attributed to this token as transmitter, on 40m, 20m, 10m, across 17 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-08-31.

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 88 FT8 messages attributed to SP6CRZ as the transmitting token by decoded message structure across 17 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (56%), followed by 40 m (43%) and 10 m (1%). Most decodes (74%) fell within the six-hour window 04:00-10:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-12 dB

Estimated median S/N

Bands

40m · 38 20m · 49 10m · 1

First attributed message: 2026-06-07
Last attributed message: 2026-08-31 16:09 UTC

Observed FT8 message patterns

Attributed sample: 88 messages
Active dates: 17 UTC dates
Estimated median S/N: -12 dB
Estimated 10th-90th percentile: -21 to -1 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 29, moderate (-15 to -9 dB) 23, strong (≥ -8 dB) 36.

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 SP6CRZ in decoded directed-looking exchanges:

F1PBZ · France ×2 PP5CF · Brazil A71AE · Qatar EB1DJ · Spain EX7DY · Kyrgyzstan F5PZQ · France IQ4JO · Italy JA6TXU · Japan JE1FQV · Japan OD5ZZ · Lebanon PA1HGM · Netherlands PD1HPB · Netherlands

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 SP6CRZ

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: JO81 · 54 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 379 km (approx.)
Last such locator decoded: 2026-08-31 16:09 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	SP6CRZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-31 08:17	20m	- / -	F5IXN	-2 / -	2	Partial capture
08-31 08:16	20m	- / -	IK4LZH	+16 / -	4	Partial capture
08-31 08:11	20m	- / +10	F5PZQ	-3 / -	4	✓ Closing fragment
08-27 06:41	20m	- / -11	YV5JLO	-22 / -	2	✓ Closing fragment
08-25 04:18	20m	- / -14	XQ1KK	-8 / -	2	✓ Closing fragment
08-25 04:16	20m	- / -6	RA6FSV	-4 / -	7	Partial capture
08-24 06:15	20m	- / -	RW6HP	-12 / -	4	Partial capture
08-24 06:08	20m	- / -19	HC2GRC	-5 / -	3	Partial capture
08-21 17:05	20m	-4 / -	EB1DJ	- / -10	4	✓ Closing fragment
08-02 05:35	20m	- / +1	RA6OY	+17 / -	9	Partial capture
08-02 05:27	20m	- / -	RA6OY	+18 / -	5	Partial capture
07-30 06:36	20m	- / +2	RN6MA	-18 / -	2	Partial capture
07-29 13:19	20m	- / -11	F1PBZ	-12 / -	2	✓ Closing fragment
07-27 19:46	20m	- / -4	JA0LFV	-22 / -	2	Partial capture
07-26 18:17	20m	- / +9	RA6OY	0 / -	6	Partial capture
07-26 10:13	10m	- / -1	GJ0KYZ	-16 / -	4	Partial capture
07-19 06:44	20m	-2 / -	VP2MAA	- / -	4	Partial capture
07-18 19:36	10m	- / -11	RL3K	-14 / -	3	Partial capture
07-18 09:37	20m	-12 / -	K1JAK	- / -	2	Partial capture
07-14 19:35	20m	- / -12	JE1FQV	-4 / -	5	✓ Closing fragment
07-13 09:08	10m	- / -	SV2CLJ	-4 / -	3	Partial capture
07-07 04:48	20m	-14 / -	ON1JP	- / -13	2	Partial capture
07-07 04:47	20m	-3 / +2	PD1HPB	-24 / -	3	✓ Closing observed
07-05 07:53	20m	-10 / -	DB1EF	- / -18	2	Partial capture
07-05 07:52	20m	-12 / -	G5MJF	- / -11	2	Partial capture
07-05 07:50	20m	-9 / -14	PD1HPB	-18 / -13	11	Partial capture
06-30 18:56	10m	- / -11	PP5CF	-12 / -	2	✓ Closing fragment
06-28 19:58	10m	- / -2	PV8AJ	-14 / -	2	Partial capture
06-28 14:32	20m	-6 / -	PA1HGM	- / -18	2	✓ Closing fragment
06-28 14:29	20m	-2 / -	UR5VPR	- / -11	2	✓ Closing fragment
06-27 20:34	20m	- / -10	RI0SP	-8 / -	2	✓ Closing fragment
06-27 20:31	20m	- / -11	IQ4JO	+8 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
050130 -16 1520  CQ SP6CRZ JO81
050145  -9 2733  SP6CRZ IQ4JO JN63
050200 -21 1520  CQ SP6CRZ JO81
050430 -22 1519  IQ4JO SP6CRZ +00
050545 -22 1519  PV8AJ SP6CRZ JO81
194400  -7 1520  SP6CRZ SP1ADT RR73
054600 -24 1521  KS4OT SP6CRZ JO81
051830 -23 1520  SP6CRZ OZ6MM -14
144815 -14 1522  CQ SP6CRZ JO81
051815 -19 1533  WD4OBP SP6CRZ JO81
160815 -19 1520  G0BLB SP6CRZ JO81
160915 -16 1521  OE5BTM SP6CRZ JO81

20m

UTC    dB Audio  Message
041100  -2 1546  SP6CRZ RZ4AZ LN28
041130 +13  404  SP6CRZ R6LKG LN07
064130 -22 1555  SP6CRZ YV5JLO -11 (x2)
064630  +9 1553  SP6CRZ G8SHF IO80
081115  -3 1556  SP6CRZ F5PZQ JN19 (x4)
081615 +12  463  SP6CRZ IK4LZH JN54 (x3)
081715  -2 1549  SP6CRZ F5IXN JN23
081745 +19  463  SP6CRZ IK4LZH JN54
081745  -2 1549  SP6CRZ F5IXN JN23

10m

UTC    dB Audio  Message
195830 -14 1563  SP6CRZ PV8AJ -02
185615 -13 1222  SP6CRZ PP5CF -11 (x2)
090845  -4  595  SP6CRZ SV2CLJ KN10 (x3)
193600 -15 1349  SP6CRZ RL3K R-11 (x3)
065230  -7 1531  SP6CRZ SV2HXV KN10
101315 -19 1405  SP6CRZ GJ0KYZ -01 (x4)
120300 -23 1538  SP6CRZ LZ1LZ R-06

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.

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