G4RRM — 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: England Most frequent locator attributed to this token: IO83

Receiver-side FT8 activity involving G4RRM, decoded by SO8OO in southeastern Poland. 229 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 34 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-11-02.

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 229 FT8 messages attributed to G4RRM as the transmitting token by decoded message structure across 34 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (45%), followed by 80 m (43%) and 20 m (13%). Most decodes (82%) 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 (73%); the estimated median was -5.2 dB.

Overview

229

Messages attributed

UTC dates decoded

Active 15-min windows

-5.2 dB

Estimated median S/N

Bands

80m · 98 40m · 102 20m · 29

First attributed message: 2026-06-08
Last attributed message: 2026-11-02 19:54 UTC

Observed FT8 message patterns

Attributed sample: 229 messages
Active dates: 34 UTC dates
Estimated median S/N: -5.2 dB
Estimated 10th-90th percentile: -13 to +2 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 13, moderate (-15 to -9 dB) 48, strong (≥ -8 dB) 168.

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 G4RRM in decoded directed-looking exchanges:

EC3A · Spain ×2 DD7EE · Fed. Rep. of Germany DL2USR · Fed. Rep. of Germany DL6RS · Fed. Rep. of Germany G0HSP · England IK2LHP · Italy IN3LHF · Italy IU5VLR · Italy M0OXO · England R1BQC · European Russia SP5EXA · Poland SV9QWC · Crete

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 G4RRM

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: IO83 · 34 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,744 km (approx.)
Last such locator decoded: 2026-11-02 19:53 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	G4RRM S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-02 19:53	40m	-1 / -	IU5VLR	- / -14	2	✓ Closing fragment
11-02 19:51	40m	-2 / -	VK3AMP	- / -21	3	Partial capture
10-26 17:38	80m	-18 / +1	DO9SAM	+10 / -3	5	✓ Full exchange observed
10-26 17:37	80m	- / -	OE3ZIO	+6 / -	2	Partial capture
10-24 16:18	40m	- / -7	IK2LHP	-1 / -	2	✓ Closing fragment
10-24 16:04	40m	- / -11	DD7EE	-6 / -	2	✓ Closing fragment
10-22 18:53	80m	-9 / -11	SM7TZK	-2 / -7	4	✓ Full exchange observed
10-22 18:53	80m	-8 / -	DF8RU	-2 / -13	3	Partial capture
10-22 18:48	80m	- / -13	DK8HC	+4 / -	3	✓ Closing fragment
10-22 18:48	80m	- / -14	RA1QX	-11 / -	4	✓ Closing fragment
10-22 18:44	80m	-4 / 0	DA6DN	+7 / -10	4	✓ Full exchange observed
10-22 12:59	40m	- / -4	DL2USR	-12 / -	5	✓ Closing fragment
10-22 12:59	40m	- / -1	F1PBZ	-4 / -	2	Partial capture
10-22 12:56	40m	- / -25	M0OXO	-18 / -	2	✓ Closing fragment
10-17 05:37	40m	-12 / -	YS1MS	- / -16	2	Partial capture
10-17 05:15	80m	-4 / -	TI2SD	- / -15	5	Partial capture
10-01 20:44	80m	+1 / -	BD8ENU	- / -13	6	Partial capture
09-27 20:32	40m	-12 / -18	SV9QWC	-6 / -	5	✓ Closing observed
09-27 20:12	80m	+2 / -	EC3A	-12 / -7	3	✓ Closing observed
09-21 21:30	80m	-5 / -	RI1FJZ	- / -	7	Partial capture
09-21 21:05	80m	-9 / -	RI1FJZ	- / -19	5	✓ Closing fragment
09-21 20:27	40m	+1 / -	DS4AOW	- / -15	4	Partial capture
09-21 20:26	40m	+3 / -10	EC3A	-12 / -	3	✓ Closing observed
09-17 07:43	40m	- / +1	OE8PIT	-1 / -	5	Partial capture
09-15 06:50	40m	-14 / -	ZL3AAU	- / -19	3	Partial capture
09-05 07:58	40m	- / -11	UT4PA	0 / -	2	✓ Closing fragment
09-05 07:54	40m	- / -6	SP5EXA	+19 / -	3	✓ Closing fragment
09-05 07:54	40m	- / -	UT4PA	0 / -	2	Partial capture
08-31 23:52	40m	+2 / -	RI1FJL	- / -20	2	Partial capture
08-30 21:28	40m	-5 / -	R1BQC	- / -17	2	✓ Closing fragment
08-29 23:05	40m	-5 / -	8Q7PR	- / -17	2	Partial capture
08-15 17:22	40m	-8 / -	IN3LHF	- / -15	2	✓ Closing fragment
08-09 20:46	80m	-9 / -	DO5PY	- / -11	3	✓ Closing fragment
08-09 20:44	80m	-6 / -10	DO1OAS	+1 / -9	4	✓ Full exchange observed
08-07 09:49	10m	- / -14	LZ1JZ	-16 / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
130045 -12 2287  G4RRM DL2USR JO71 (x3)
102430 -12 2662  G4RRM G0HSP 73
160400  -6  496  G4RRM DD7EE R-11 (x2)
161800  -4 2048  G4RRM IK2LHP R-07 (x2)
194500  -1 2829  AP5ARS G4RRM -20
195100  -4 2829  VK3AMP G4RRM -21 (x3)
195300  -3 2829  CQ G4RRM IO83
195330  -1 2829  IU5VLR G4RRM -14 (x2)

80m

UTC    dB Audio  Message
185345  -7 2693  SM7TZK G4RRM -07
185400  +2 2692  G4RRM SM7TZK R-11
185400  -6 1502  G4RRM DF8RU JN68
185415 -11 2694  SM7TZK G4RRM RR73
185430  -5 2693  G4RRM SM7TZK 73
185445  -8 2693  DF8RU G4RRM -13
173715 -15 2499  CQ G4RRM IO83
173730  +3 2773  G4RRM OE3ZIO JN78
173745 -17 2500  CQ G4RRM IO83
173800 +10 2774  G4RRM OE3ZIO JN78
173800 +11 2499  G4RRM DO9SAM JO61
173815 -20 2499  DO9SAM G4RRM -03
173830  +8 2499  G4RRM DO9SAM R+01
173845 -17 2499  DO9SAM G4RRM RR73
173900 +11 2499  G4RRM DO9SAM 73

20m

UTC    dB Audio  Message
135330 -17 1370  G4RRM DD7EE JO41
085815  -2 2800  CQ G4RRM IO83
085915  -1 2800  DL1R G4RRM -11

10m

UTC    dB Audio  Message
094900 -21 2196  G4RRM LZ1JZ R-14 (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

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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