GM0OPS — 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: Scotland Most frequent locator attributed to this token: IO75

Receiver-side FT8 activity involving GM0OPS, decoded by SO8OO in southeastern Poland. 1,191 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, across 31 UTC dates in the available aggregate history. Observed between 2026-08-14 and 2026-10-04.

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 1,191 FT8 messages attributed to GM0OPS as the transmitting token by decoded message structure across 31 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (43%), followed by 40 m (35%) and 160 m (13%). Most decodes (75%) fell within the six-hour window 19:00-01:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (87%); the estimated median was +2 dB.

Overview

1,191

Messages attributed

UTC dates decoded

140

Active 15-min windows

+2 dB

Estimated median S/N

Bands

160m · 151 80m · 515 60m · 73 40m · 415 20m · 37

First attributed message: 2026-08-14
Last attributed message: 2026-10-04 04:19 UTC

Observed FT8 message patterns

Attributed sample: 1,191 messages
Active dates: 31 UTC dates
Estimated median S/N: +2 dB
Estimated 10th-90th percentile: -10 to +12 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 45, moderate (-15 to -9 dB) 110, strong (≥ -8 dB) 1,036.

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 GM0OPS in decoded directed-looking exchanges:

J88IH · St. Vincent ×3 VP2MAA · Montserrat ×3 DO3VE · Fed. Rep. of Germany ×2 G8OO · England ×2 RK2Y · European Russia ×2 IK2ZJR · Italy ×2 MW7RHR · Wales ×2 RI1FJZ · Franz Josef Land ×2 SV9QWC · Crete ×2 DL9KM · Fed. Rep. of Germany ×2 F1IQH · France ×2 OR7K · Belgium ×2

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 GM0OPS

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: IO75 · 477 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,894 km (approx.)
Last such locator decoded: 2026-10-04 04:19 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	GM0OPS S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-04 04:12	60m	-5 / -	9T0MD	- / -10	10	✓ Closing fragment
10-04 04:08	160m	-4 / -	W9COS	- / -20	3	Partial capture
10-04 04:06	160m	-3 / -7	LZ1ST	0 / -9	5	✓ Full exchange observed
10-04 04:04	160m	- / -	SP9UPH	-2 / -	2	Partial capture
10-04 04:02	160m	-4 / +6	DO3VE	+2 / -5	7	✓ Full exchange observed
10-04 04:02	160m	-6 / -	OH0Z	- / -	4	Partial capture
10-04 03:52	80m	+1 / -4	LY8O	+6 / -14	4	✓ Full exchange observed
10-04 03:50	80m	+5 / -	C5R	- / -9	11	✓ Closing fragment
10-03 05:09	160m	-18 / -	SP3BPU	+10 / -	4	✓ Closing observed
10-03 05:03	60m	-5 / -6	S57MPU	+6 / -7	4	✓ Full exchange observed
10-03 05:02	60m	-8 / 0	ON8LX	-17 / +1	4	✓ Full exchange observed
10-03 05:00	60m	-10 / +9	LZ1GC	+4 / -2	6	✓ Full exchange observed
10-03 04:59	60m	-7 / -	EA5EBD	- / -7	3	✓ Closing fragment
10-03 04:58	60m	- / -	F5RRS	+8 / -	4	Partial capture
10-03 04:57	60m	- / -	DL6FKR	-22 / -	3	Partial capture
10-03 04:57	60m	0 / -14	IZ4JMA	-20 / -10	5	✓ Full exchange observed
10-03 04:56	60m	0 / -19	G0BLB	+6 / -12	5	✓ Full exchange observed
10-03 04:56	60m	-8 / -	HC5F	- / -	2	Partial capture
10-03 04:52	60m	0 / -11	OZ2LC	-18 / -12	5	✓ Closing observed
10-02 23:02	80m	-5 / -	7Z1IS	- / -	2	Partial capture
10-02 22:58	80m	+5 / -	7Z1IS	- / -	4	Partial capture
10-02 22:52	160m	-2 / -	9A5E	- / -	6	Partial capture
10-02 22:50	160m	-2 / -8	F5RRS	+5 / 0	5	✓ Full exchange observed
10-02 22:43	40m	-4 / -	Z61DX	- / -	2	Partial capture
10-02 22:40	40m	-2 / -	EA6AJT	- / -12	4	✓ Closing fragment
10-02 07:10	40m	-12 / -4	HG5OGI	-7 / -5	3	✓ Full exchange observed
10-01 19:12	80m	+1 / -	TF4M	-18 / -2	4	✓ Full exchange observed
10-01 19:06	80m	-2 / +7	OL900LTV	-6 / -14	4	Partial capture
10-01 19:06	80m	+2 / -	HB10GBT	- / -4	2	Partial capture
10-01 19:03	80m	0 / -	YO5QDI	+2 / -22	6	✓ Closing observed
10-01 06:39	60m	-7 / -	EA3AKY	- / -1	3	✓ Closing fragment
10-01 06:37	60m	-6 / -	HB9ACA	-13 / -4	4	✓ Full exchange observed
10-01 06:34	60m	-6 / -	MI0NWA	- / -9	2	Partial capture
10-01 06:32	60m	-8 / -	K6VHF/HR9	- / -12	2	Partial capture
10-01 06:31	60m	-8 / -	PA2PF	-14 / -	4	✓ Closing observed
10-01 06:28	60m	- / -2	G8OO	-3 / -	3	✓ Closing fragment
10-01 06:26	60m	- / +2	IK4CBO	-11 / -	4	✓ Closing fragment
10-01 06:25	60m	-7 / -	ZL2CC	- / -23	3	✓ Closing fragment
09-30 23:43	80m	+10 / -	KJ4KFJ	- / -15	3	✓ Closing fragment
09-30 23:42	80m	+12 / -	AP2HA	- / -	2	Partial capture
09-30 20:27	160m	-7 / -	IS0BOZ	- / -	4	Partial capture
09-30 20:24	160m	-8 / -20	R2DRE	-16 / -18	6	✓ Full exchange observed
09-30 20:23	160m	-5 / -	TM47CDXC	- / -	3	Partial capture
09-30 20:19	160m	- / -1	OZ2LIN	-4 / -	2	✓ Closing fragment
09-30 20:17	160m	-9 / -5	EW6CB	-2 / -11	5	✓ Full exchange observed
09-30 20:14	160m	-5 / -	SP1ZX	-15 / -	2	✓ Closing observed
09-30 20:14	160m	-8 / -3	DF5AH	-18 / +1	8	✓ Full exchange observed
09-30 20:09	160m	-6 / -	OH0Z	- / -	3	Partial capture
09-29 22:29	160m	+6 / -	F4EGM	- / -18	4	✓ Closing fragment
09-29 22:28	160m	- / -	DL1OBF	0 / -	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
050315  -7  937  S57MPU GM0OPS -07
050330  +9  934  GM0OPS S57MPU R-06
050345  -3  937  S57MPU GM0OPS RR73
050400  +4  935  GM0OPS S57MPU 73
041245  -1  918  9T0MD GM0OPS IO75 (x10)
041915  -6  918  4L1FL GM0OPS IO75

160m

UTC    dB Audio  Message
040330  -1 1481  OH0Z GM0OPS IO75
040400  -9 1481  DO3VE GM0OPS -05
040415  -2  452  GM0OPS DO3VE R+06
040430  +2 1481  DO3VE GM0OPS RR73
040445  +6 2270  GM0OPS SP9UPH JO90
040445  -4  452  GM0OPS DO3VE 73
040615 -11 2270  GM0OPS SP9UPH JO90
040645  -5 2379  GM0OPS LZ1ST KN21
040700  -1 1481  LZ1ST GM0OPS -09
040715  +3 2380  GM0OPS LZ1ST R-07
040730  -5 1481  LZ1ST GM0OPS RR73
040745  +1 2380  GM0OPS LZ1ST 73
040800  -4 1481  W9COS GM0OPS -20 (x3)

80m

UTC    dB Audio  Message
035115  +1 2264  C5R GM0OPS IO75 (x2)
035230  +9 1453  GM0OPS LY8O -04
035245  -1 2264  LY8O GM0OPS R-14
035300  +4 1453  GM0OPS LY8O RR73
035315  +3 2264  LY8O GM0OPS 73
035345  +1 2264  C5R GM0OPS IO75 (x8)
035900  +6 2516  N0YO GM0OPS IO75

40m

UTC    dB Audio  Message
192515  -7 1644  GU4WRP GM0OPS R-05 (x2)
050300 -20 1292  WP4SZA GM0OPS IO75
211445  +5 2502  BI3UPU GM0OPS RR73
211615  +2 2502  US7UV GM0OPS IO75
071045  -7  989  GM0OPS HG5OGI -04
071100 -15 1735  HG5OGI GM0OPS R-05 (x2)
071215 -24 1735  GM0OPS G3TKT +03
224015  -8 2197  EA6AJT GM0OPS IO75 (x4)
224300  -6 2197  Z61DX GM0OPS IO75 (x2)

10m

UTC    dB Audio  Message
100000 -24 1612  GM0OPS A61FJ -23 (x2)

20m

UTC    dB Audio  Message
171330  +4 3004  BD9DM GM0OPS -15 (x3)
171530  +7 3004  A41ZZ GM0OPS R-19 (x3)
171700  -3 3004  BA7IWL GM0OPS -17
171715 -13 3004  GM0OPS PD4FL JO33
171730  +4 3004  BA7IWL GM0OPS RR73
171800  -2 3004  CQ GM0OPS IO75                        a1
171815  -8 1858  GM0OPS DH1FA -18
171830  +2 3004  4S6NDB GM0OPS IO75
171845 +14 3004  GM0OPS PD8XXX JO22
171900  +7 3004  4S6NDB GM0OPS IO75 (x2)

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

2 CW reception events in the last 30 days.

40m: 2 events; last heard 2026-10-03 21:59 UTC

Latest CW receptions

UTC	Band	kHz	S/N · 500 Hz	WPM	Listen
2026-10-03 21:59:52	40m	7012.865	6.1 dB	29.5	WebSDR ↗
2026-10-03 21:58:52	40m	7012.865	11.7 dB	—	WebSDR ↗

CW reception history

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