OH5LLR — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Finland Most frequent locator attributed to this token: KP20

Receiver-side FT8 activity involving OH5LLR, decoded by SO8OO in southeastern Poland. 75 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 11 UTC dates in the available aggregate history. Observed between 2026-07-16 and 2026-09-17.

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 75 FT8 messages attributed to OH5LLR as the transmitting token by decoded message structure across 11 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (65%), followed by 40 m (35%). Most decodes (81%) fell within the six-hour window 14:00-20:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (63%); the estimated median was -5 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-5 dB

Estimated median S/N

Bands

80m · 49 40m · 26

First attributed message: 2026-07-16
Last attributed message: 2026-09-17 14:56 UTC

Observed FT8 message patterns

Attributed sample: 75 messages
Active dates: 11 UTC dates
Estimated median S/N: -5 dB
Estimated 10th-90th percentile: -15 to +10 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 4, moderate (-15 to -9 dB) 24, strong (≥ -8 dB) 47.

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 OH5LLR in decoded directed-looking exchanges:

DN9SR · Fed. Rep. of Germany IU3QYU · Italy F4FSY · France HA5LB · Hungary JQ1PJO · Japan KH8WW · American Samoa OH5YR · Finland RK3AW · European Russia EA8DEG · Canary Islands ER3RR · Moldova HA7XL · Hungary OH5KNL · Finland

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 OH5LLR

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: KP20 · 49 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,192 km (approx.)
Last such locator decoded: 2026-09-17 14:52 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	OH5LLR S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-17 14:55	40m	-10 / -4	F4FSY	-19 / -8	6	✓ Full exchange observed
09-17 14:50	40m	-12 / -	KH8WW	- / -21	9	✓ Closing fragment
09-12 21:37	80m	+14 / -	OH5KNL	- / -	2	✓ Closing fragment
09-12 21:35	80m	+17 / -	EA8DEG	-13 / -11	5	✓ Closing observed
08-27 18:53	80m	+9 / -	RI1FJL	- / -	7	Partial capture
08-27 18:41	80m	+1 / -	RI1FJL	- / -	14	Partial capture
08-27 16:34	80m	-14 / -	VK6IR	- / -	2	Partial capture
08-26 19:03	80m	-7 / -	RI1FJL	- / -	3	Partial capture
08-25 19:32	80m	+2 / -	OH/SM5MRW	- / -	3	Partial capture
08-23 01:11	40m	-12 / -	KA1MXL	- / -5	2	Partial capture
08-23 01:07	80m	+4 / -	VP2MAA	- / -	2	Partial capture
08-21 19:09	10m	- / +2	IU3QYU	-12 / -	2	✓ Closing fragment
08-21 19:07	10m	- / -	DN9SR	-18 / -	2	✓ Closing fragment
08-21 18:45	40m	-10 / -	OH5YR	- / -13	2	✓ Closing fragment
08-21 18:45	40m	-8 / -	DL8TV	+11 / -	4	Partial capture
08-09 12:43	20m	- / -	DK3HV	-4 / -	3	Partial capture
08-09 05:22	40m	-15 / -	HA5LB	- / -2	2	✓ Closing fragment
07-31 19:17	80m	-7 / -7	ER3RR	+2 / -4	5	✓ Full exchange observed
07-31 19:10	80m	-4 / -2	HA7XL	+13 / +6	5	✓ Full exchange observed
07-31 19:10	80m	-4 / -8	SP9UPH	+7 / -14	6	✓ Full exchange observed
07-31 19:08	80m	-4 / -8	OZ2SPACE	+2 / -10	3	Partial capture
07-16 19:27	80m	-10 / -	9V1DX	- / -	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
145015 -10 2034  KH8WW OH5LLR KP20 (x9)
145500 -19 1731  OH5LLR F4FSY -04 (x2)
145545  -8 1970  F4FSY OH5LLR R-08
145600 -20 1731  OH5LLR F4FSY RR73
145615 -12 1971  F4FSY OH5LLR R-08
145700 -16 1731  OH5LLR F4FSY RR73

80m

UTC    dB Audio  Message
185045  +0 1777  RI1FJL OH5LLR KP20 (x8)
213515 +14 2700  EA8DEG OH5LLR KP20 (x3)
213630 -13  702  OH5LLR EA8DEG RR73
213645 +20 2700  EA8DEG OH5LLR 73
213715 +13 2700  OH5KNL OH5LLR +18 (x2)

10m

UTC    dB Audio  Message
190730 -19 1160  OH5LLR DN9SR JO30 (x2)
190900 -10 2395  OH5LLR IU3QYU R+02 (x2)

20m

UTC    dB Audio  Message
124345  -6  537  OH5LLR DK3HV JO31 (x3)

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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