SP9MRO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: KN19

Receiver-side FT8 activity involving SP9MRO, decoded by SO8OO in southeastern Poland. 579 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 34 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-09-20.

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 579 FT8 messages attributed to SP9MRO 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 (35%), followed by 80 m (30%) and 160 m (15%). Several six-hour UTC windows tied for the largest share (90%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (89%); the estimated median was +9 dB.

Overview

579

Messages attributed

UTC dates decoded

Active 15-min windows

+9 dB

Estimated median S/N

Bands

160m · 85 80m · 174 60m · 71 40m · 202 20m · 15 10m · 32

First attributed message: 2026-06-07
Last attributed message: 2026-09-20 18:22 UTC

Observed FT8 message patterns

Attributed sample: 579 messages
Active dates: 34 UTC dates
Estimated median S/N: +9 dB
Estimated 10th-90th percentile: -9 to +20 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 16, moderate (-15 to -9 dB) 50, strong (≥ -8 dB) 513.

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 SP9MRO in decoded directed-looking exchanges:

PV8AJ · Brazil PA3FR · Netherlands RA0AF · Asiatic Russia RI1FJZ · Franz Josef Land AP5ARS · Pakistan BD6IIC · China BD7OH · China BH5HIE · China BH8NNU · China D2ACE · Angola F1IQH · France F5SJC · France

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 SP9MRO

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: KN19 · 396 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 100 km (approx.)
Last such locator decoded: 2026-09-20 18:19 UTC

Other locator fields attributed to this token: KN09 (12).

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	SP9MRO S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-20 18:22	60m	+12 / -	IK5ZPV	- / +2	2	✓ Closing fragment
09-20 18:20	60m	+10 / +4	SQ2BXI	-8 / -2	5	✓ Full exchange observed
09-20 18:20	60m	+13 / -	EB5R	- / -16	2	✓ Closing fragment
09-20 18:18	60m	+14 / +1	SP9UPH	+7 / -	5	✓ Full exchange observed
09-20 18:17	60m	+13 / -	IK4CBO	-8 / +4	5	✓ Full exchange observed
09-20 18:15	60m	+13 / -	ER3UA	+2 / -	7	✓ Full exchange observed
09-20 18:05	160m	+11 / -	RI1FJZ	- / -20	3	✓ Closing fragment
09-20 18:00	160m	+10 / -	RI1FJZ	- / -	2	Partial capture
09-19 16:20	80m	+13 / -	NL8F	- / -	6	Partial capture
09-18 16:58	80m	+25 / -	ZL2NU	- / -22	4	✓ Closing fragment
09-18 16:29	80m	+23 / -	KH8WW	- / -22	8	Partial capture
09-18 16:25	80m	+23 / -	KH6P	- / -	3	Partial capture
09-16 17:20	80m	+19 / -	KH8WW	- / -	21	Partial capture
09-16 16:40	80m	+18 / -	KH8WW	- / -20	12	✓ Closing fragment
09-12 17:34	40m	-4 / -	KH8WW	- / -19	4	Partial capture
09-07 20:05	160m	+20 / -8	SQ5EXI	-14 / -8	4	Partial capture
09-07 20:02	160m	+20 / 0	PA3FR	-6 / +2	11	✓ Full exchange observed
09-07 19:56	40m	-4 / -	VK3YW	- / -	2	Partial capture
09-07 19:49	40m	-2 / -	YB1BZV	- / -20	10	Partial capture
09-07 19:47	40m	+1 / +5	F5SJC	-8 / -9	5	✓ Full exchange observed
09-07 19:43	40m	+3 / -	VJ6X	- / -	5	✓ Closing fragment
09-07 19:35	60m	+14 / -	Z68PX	-8 / -7	8	✓ Full exchange observed
09-04 20:33	160m	+12 / -	RI1FJL	- / -19	12	Partial capture
09-04 20:24	160m	+14 / -	RI1FJL	- / -	10	Partial capture
09-04 20:18	160m	+13 / -	RI1FJL	- / -	3	Partial capture
09-04 20:08	160m	+12 / -	RI1FJL	- / -	6	Partial capture
09-04 19:00	160m	+20 / -	RI1FJL	- / -	4	Partial capture
09-04 18:16	160m	+19 / -	RI1FJL	- / -	2	Partial capture
09-01 17:36	80m	+23 / -	5W1SA	- / -19	2	Partial capture
08-30 22:24	160m	+9 / -10	RA0AF	-11 / -4	5	✓ Full exchange observed
08-30 22:01	160m	+8 / -	RI1FJL	- / -	16	Partial capture
08-27 21:25	80m	+14 / -	RI1FJL	- / 0	9	✓ Closing fragment
08-27 21:19	80m	+11 / -	RI1FJL	- / -	8	Partial capture
08-27 21:09	10m	-16 / -	HJ4KKA	- / -4	2	Partial capture
08-27 19:44	80m	+18 / -	RI1FJL	- / -	22	Partial capture
08-27 19:42	80m	+22 / -8	DK8HC	-1 / -6	5	✓ Full exchange observed
08-27 19:42	80m	- / -	DO8JB	-1 / -	10	Partial capture
08-25 22:27	40m	-6 / +5	D2ACE	-13 / 0	8	✓ Full exchange observed
08-21 20:50	40m	-6 / -	<...>	- / -19	2	Partial capture
08-19 19:15	40m	-7 / -	BH5HIE	- / -24	3	✓ Closing fragment
08-19 19:13	40m	-8 / -	SV8GXC	- / -8	4	✓ Closing fragment
08-19 19:12	40m	-7 / -	F1IQH	-14 / -	2	✓ Closing observed
08-14 21:31	40m	-11 / -	V55LH	- / -	6	Partial capture
08-14 21:28	40m	-11 / -	RX3DPK/LH	- / -	4	Partial capture
08-14 18:58	40m	-1 / -	DP6SEVEN	- / -	2	Partial capture
07-31 19:59	40m	-2 / -	BH8NNU	- / -16	3	✓ Closing fragment
07-31 19:57	40m	-2 / -	UN7PPV	- / -7	2	✓ Closing fragment
07-31 19:54	40m	-4 / -	JE2MFE	- / -18	2	✓ Closing fragment
07-31 19:52	40m	-6 / -	UA0LQE	- / -14	2	✓ Closing fragment
07-31 19:50	40m	-5 / -	KG6JDX	- / -15	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
181830  -8 1647  SP9MRO IK4CBO 73
181845  +9 2158  SP9UPH SP9MRO +17
181900  +9 2256  SP9MRO SP9UPH R+01
181915 +20 2158  SP9UPH SP9MRO RR73
181930  +7 2256  SP9MRO SP9UPH 73
181945 +11 2158  CQ SP9MRO KN19
182015 +15 2158  EB5R SP9MRO -16
182030  -6  245  SP9MRO SQ2BXI JO94
182045 +11 2158  EB5R SP9MRO RR73
182100  -9  245  SP9MRO SQ2BXI JO94
182115 +10 2158  SQ2BXI SP9MRO -02
182130  -8  245  SP9MRO SQ2BXI R+04
182145 +10 2158  SQ2BXI SP9MRO RR73
182215 +15 2158  IK5ZPV SP9MRO +02 (x2)

160m

UTC    dB Audio  Message
200500 -10 1711  SP9MRO PA3FR R+00
200530 -14  626  SP9MRO SQ5EXI -08
200645 +19  617  PA3FR SP9MRO -15
200700  -9 1861  SP9MRO PA3FR R+00
200715 +20  617  PA3FR SP9MRO RR73
200730 -13  617  SP9MRO SQ5EXI -08
200730  -4 1861  SP9MRO PA3FR 73
200815 +23  617  RC0AT/P SP9MRO -24
200915 +21  617  SQ5EXI SP9MRO R-08 (x2)
180015 +10 1634  RI1FJZ SP9MRO KN19 (x5)

80m

UTC    dB Audio  Message
163215 +23  501  KH8WW SP9MRO KN19 (x3)
165830 +26  398  ZL2NU SP9MRO KN19 (x4)
170045 -20  962  SP9MRO R2AVW -03
162015 +12 1819  NL8F SP9MRO KN19 (x6)
162430 -23 1645  SP9MRO JN4MIV PM74

10m

UTC    dB Audio  Message
211430 -13 1564  SP9MRO PV8AJ +13 (x2)
211645 -24 1475  ZL4LV SP9MRO KN19 (x5)
212115 -18 2228  ZL4KX SP9MRO KN19 (x3)
180115 -17 1015  CA8CEU SP9MRO KN19
180215 -19 1016  CQ DX SP9MRO KN19
210900 -11 1173  HJ4KKA SP9MRO KN19 (x2)
065645  -8  475  SP9MRO <...> -01

40m

UTC    dB Audio  Message
194930  -2 2229  YB1BZV SP9MRO R-20 (x9)
195645  -4 1890  VK3YW SP9MRO KN19 (x2)
173445  -6  709  KH8WW SP9MRO KN19 (x4)

20m

UTC    dB Audio  Message
192145 -12 1138  TN8GD SP9MRO KN19 (x8)
192730 -17 1141  SP9MRO DJ0MAB JN49 (x3)
113730 -13 2367  SP9MRO PE1NPS JO22
114100 -13 2442  SP9MRO DL6EL JN57 (x2)
114200 -20 2267  SP9MRO DL1HXA JO51

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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