SP2HJN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: JO94

Receiver-side FT8 activity involving SP2HJN, decoded by SO8OO in southeastern Poland. 799 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, across 39 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-05.

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 799 FT8 messages attributed to SP2HJN as the transmitting token by decoded message structure across 39 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (48%), followed by 20 m (23%) and 80 m (17%). The busiest six-hour window was 18:00-00:00 UTC, containing 47% of decodes. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (63%); the estimated median was -5 dB.

Overview

799

Messages attributed

UTC dates decoded

126

Active 15-min windows

-5 dB

Estimated median S/N

Bands

160m · 104 80m · 135 40m · 380 20m · 180

First attributed message: 2026-06-06
Last attributed message: 2026-10-05 23:33 UTC

Observed FT8 message patterns

Attributed sample: 799 messages
Active dates: 39 UTC dates
Estimated median S/N: -5 dB
Estimated 10th-90th percentile: -16 to +8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 83, moderate (-15 to -9 dB) 213, strong (≥ -8 dB) 503.

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 SP2HJN in decoded directed-looking exchanges:

OZ9FF · Denmark ×4 F1PBZ · France ×3 IK4RVY · Italy ×3 9A3AUH · Croatia ×2 F4GAJ · France ×2 PA3FR · Netherlands ×2 EA8UP · Canary Islands ×2 LA6OCA · Norway ×2 CT7AUT · Portugal ×2 SP5MXZ · Poland ×2 SP9UH · Poland ×2 SQ9BDB · Poland ×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 SP2HJN

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: JO94 · 356 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 542 km (approx.)
Last such locator decoded: 2026-10-05 23:32 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	SP2HJN S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-05 23:32	80m	+2 / -16	Z61DX	-2 / -1	5	✓ Full exchange observed
10-05 23:27	80m	+13 / -	DC7LR	-4 / -17	8	Partial capture
10-05 23:26	80m	+5 / -4	GM6URC	-9 / -6	4	✓ Full exchange observed
10-05 23:25	80m	+9 / -	DA6OOM	- / -10	4	✓ Closing fragment
10-05 23:22	80m	+7 / -	9A4ZM	- / -	4	Partial capture
10-05 23:18	80m	+1 / -12	ON4MAP	-16 / -10	5	✓ Full exchange observed
10-05 23:16	80m	+6 / +3	OK1SI	+14 / -	5	✓ Full exchange observed
10-05 23:11	80m	0 / -	W1ARY	- / -	2	Partial capture
10-05 23:06	80m	- / -	DK8HC	-9 / -	5	Partial capture
10-05 23:06	80m	-3 / -	DL4DP	-6 / -12	7	✓ Full exchange observed
10-05 23:04	80m	-6 / -10	G4UZG	-10 / -	6	✓ Closing observed
10-05 23:02	80m	-12 / -9	G6PWS	-10 / +1	5	✓ Full exchange observed
10-04 18:44	40m	-6 / -17	IZ2UUG	-2 / -2	7	✓ Full exchange observed
10-04 18:42	40m	-9 / -	SQ9BDB	- / +3	3	✓ Closing fragment
10-04 18:35	40m	-10 / -	SQ6FHT	- / -19	4	Partial capture
10-04 18:32	40m	-8 / -2	9A3MRN	+4 / -	3	✓ Closing observed
10-04 18:28	40m	-1 / -	F1PBZ	- / -4	3	✓ Closing fragment
10-04 18:24	40m	-8 / -12	YO4GIY	-1 / -8	5	✓ Full exchange observed
10-04 18:10	40m	+2 / -	SP5MXZ	- / -13	11	✓ Closing fragment
09-28 23:41	80m	+2 / -2	9A5E	+16 / -	5	✓ Full exchange observed
09-28 23:38	80m	+2 / -11	DG3YEV	+6 / +1	4	✓ Full exchange observed
09-28 23:35	80m	- / -	G8OO	-2 / -	9	Partial capture
09-28 23:31	80m	-2 / -	EC3A	-6 / -4	4	✓ Closing observed
09-28 23:24	80m	+2 / -18	S55X	0 / -9	13	✓ Full exchange observed
09-28 23:20	80m	+6 / +3	IN3WZS	+9 / +5	7	✓ Full exchange observed
09-28 23:16	80m	+4 / -4	SV9QWC	-10 / 0	5	✓ Full exchange observed
09-28 23:02	80m	+2 / +7	SP5MXZ	+6 / -	4	✓ Closing observed
09-28 22:57	80m	+8 / -1	G1CEC	-2 / -11	7	✓ Full exchange observed
09-28 22:57	80m	+7 / +6	DL2VEL	0 / -	4	✓ Closing observed
09-28 22:48	80m	+18 / -6	EA6Y	+3 / +1	8	✓ Full exchange observed
09-28 22:45	80m	+3 / +9	SP1MGM	+4 / -	4	✓ Closing observed
09-28 22:45	80m	+13 / -8	EI3CTB	-9 / -23	10	✓ Full exchange observed
09-28 22:44	80m	+6 / +1	DL8HXP	+3 / -	5	✓ Full exchange observed
09-28 22:35	80m	+8 / +2	R3ICU	-3 / -10	5	✓ Full exchange observed
09-28 22:32	80m	+5 / -2	GM0OPS	+2 / +6	5	✓ Full exchange observed
09-28 22:28	80m	0 / -4	RX3ASQ	+2 / +8	4	✓ Full exchange observed
09-28 22:24	160m	+5 / -20	SP5DAA	-15 / -	13	Partial capture
09-28 22:21	160m	+2 / -	R6DAZ	- / -	6	Partial capture
09-28 22:17	160m	+6 / -16	R4FDK	-4 / -5	5	✓ Full exchange observed
09-28 22:11	160m	+2 / -20	G8OO	-21 / -14	5	✓ Full exchange observed
09-27 12:16	40m	-17 / -	ON4FHM	- / -13	2	✓ Closing fragment
09-27 12:01	40m	-13 / -13	SP3GHC	-20 / +10	9	✓ Full exchange observed
09-27 12:00	40m	-16 / -	DD4U	- / +2	3	✓ Closing fragment
09-27 11:55	40m	-16 / -	SM7IUN	- / +3	3	✓ Closing fragment
09-27 11:48	40m	-9 / -	ON3CL	- / -	4	Partial capture
09-27 11:45	40m	-16 / -	F4FVW	- / -1	2	✓ Closing fragment
09-27 11:39	40m	-9 / +2	SQ7KHW	-14 / +4	5	✓ Full exchange observed
09-27 11:36	40m	-10 / 0	OZ9FF	-18 / -	5	✓ Full exchange observed
09-27 11:33	40m	-12 / -	DG3YEV	- / -	7	Partial capture
09-27 09:33	40m	-10 / -	SP9LS	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
232715 -11 1692  SP2HJN GM6URC RR73
232730  +7 1734  GM6URC SP2HJN 73
232745  -6 2786  SP2HJN DC7LR JN58 (x2)
232930  +3 1693  DC7LR SP2HJN -17 (x6)
233230  +7 1414  Z61DX SP2HJN JO94
233245  -3 1414  SP2HJN Z61DX -16
233300  +2 1414  Z61DX SP2HJN R-01
233315  -1 1414  SP2HJN Z61DX RR73
233330  -2 1414  Z61DX SP2HJN 73

40m

UTC    dB Audio  Message
183615  -9 1667  SQ6FHT SP2HJN -19 (x2)
184230  -9 2237  SQ9BDB SP2HJN JO94 (x3)
184415  -5 2237  SP2HJN IZ2UUG JN55 (x2)
184530  -6 2237  IZ2UUG SP2HJN -02 (x2)
184615  +0 2237  SP2HJN IZ2UUG R-17
184630  -7 2236  IZ2UUG SP2HJN RR73
184645  +0 2238  SP2HJN IZ2UUG 73
223745 -18 2180  SP2HJN G4KVI -13 (x2)
225430 -19 1973  SP2HJN I7OXH RR73

160m

UTC    dB Audio  Message
222315  +1 1284  R6DAZ SP2HJN JO94 (x2)
222415  +6 2355  SP5DAA SP2HJN JO94 (x5)
222700 -14 2355  SP2HJN SP5DAA -20 (x8)

10m

UTC    dB Audio  Message
121645  -9 2492  SP2HJN DN9DSP RR73 (x2)
121730 -17 2036  SP2HJN DN9CHV -02
121745  -3 2492  SP2HJN DN9DSP RR73 (x2)
121830 -21 1428  SP2HJN DN9CHV RR73 (x2)
111030 -21 1990  SP2HJN SV1CQN -07
103315 -11 2684  SP2HJN 9A3AUH RR73
103545 -19 2003  SP2HJN IK4RVY +08 (x2)
105230 -21 1488  SP2HJN F4GAJ RR73
104845 -23 1775  SP2HJN <...> -08 (x2)
114415 -19 1753  SP2HJN HZ1TT RR73

20m

UTC    dB Audio  Message
125945 -14 1489  SP2HJN PD1B -02 (x2)
131130 -12 2560  SP2HJN MW7TTA -01 (x2)
131845  -2 1975  SP2HJN IK4RVY +10 (x2)
132400 -10 2640  SP2HJN LB4PJ -25
142630 -18 2022  SP2HJN ON3CCM +04
132600  +2 2729  SP2HJN M8GGQ -01 (x2)
132845  -9 2025  SP2HJN G1HJW +00 (x2)
133130 -11 2301  SP2HJN M9LCB -15
180645  +4 2788  SQ9DJQ SP2HJN R-06 (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.

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