SP2HJN — 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: Poland Most frequent locator attributed to this token: JO94

Receiver-side FT8 activity involving SP2HJN, decoded by SO8OO in southeastern Poland. 990 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, across 46 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-21.

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 990 FT8 messages attributed to SP2HJN as the transmitting token by decoded message structure across 46 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (42%), followed by 160 m (22%) and 20 m (18%). Most decodes (53%) fell within the six-hour window 18:00-00:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (65%); the estimated median was -4.6 dB.

Overview

990

Messages attributed

UTC dates decoded

154

Active 15-min windows

-4.6 dB

Estimated median S/N

Bands

160m · 221 80m · 175 40m · 414 20m · 180

First attributed message: 2026-06-06
Last attributed message: 2026-10-21 20:33 UTC

Observed FT8 message patterns

Attributed sample: 990 messages
Active dates: 46 UTC dates
Estimated median S/N: -4.6 dB
Estimated 10th-90th percentile: -15 to +7.2 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 93, moderate (-15 to -9 dB) 249, strong (≥ -8 dB) 648.

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 CT7AUT · Portugal ×3 F1PBZ · France ×3 EA4EUO · Spain ×2 IK4RVY · Italy ×2 LA9JKA · Norway ×2 PA3FR · Netherlands ×2 SP1MGM · Poland ×2 DK6WS · Fed. Rep. of Germany ×2 EA8UP · Canary Islands ×2 SQ9DJQ · Poland ×2 LA8ENA · Norway ×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 · 450 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 542 km (approx.)
Last such locator decoded: 2026-10-21 20:33 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
10-21 20:33	80m	-2 / -	DB100FT	-3 / -	3	Partial capture
10-21 20:29	80m	-4 / -6	YU7AS	+6 / -5	5	✓ Full exchange observed
10-21 20:26	80m	-4 / -	RY4D	- / +5	3	✓ Closing fragment
10-21 20:23	80m	+6 / 0	SM7TZK	+12 / +9	4	✓ Full exchange observed
10-21 20:17	160m	-14 / -8	EO210WLP	+7 / +4	3	Partial capture
10-21 20:14	160m	- / -	SQ2BXI	-10 / -	4	Partial capture
10-21 20:13	160m	-16 / -16	R6HV	-4 / +7	5	✓ Full exchange observed
10-21 19:51	40m	- / -13	G6PWS	+3 / -	11	Partial capture
10-21 19:44	40m	- / +1	IK0CHU	+8 / -	2	✓ Closing fragment
10-21 18:43	40m	- / -15	LX1RFJ	-6 / -	4	✓ Closing fragment
10-20 17:34	40m	+2 / -	9A6NCC	- / -	3	Partial capture
10-20 17:24	40m	-8 / -7	YO3YX	-4 / 0	4	✓ Full exchange observed
10-19 20:31	40m	- / -11	OK1VM	+6 / -	2	✓ Closing fragment
10-19 20:26	40m	- / -7	EX7CQ	0 / -	2	✓ Closing fragment
10-19 20:22	40m	- / -4	HA1BF	-13 / -	2	✓ Closing fragment
10-19 20:19	40m	- / -14	LA8ENA	-21 / -	2	✓ Closing fragment
10-19 19:47	40m	- / -13	OE3PBS	-15 / -	2	✓ Closing fragment
10-19 19:43	40m	- / -5	OE3PBS	-5 / -	2	✓ Closing fragment
10-18 21:51	160m	-6 / -16	IZ8ESX	-6 / -1	5	✓ Full exchange observed
10-18 21:46	160m	-2 / +1	OM3PR	+4 / -7	6	✓ Full exchange observed
10-18 21:45	160m	-2 / -	SO5WD	- / -18	2	✓ Closing fragment
10-18 21:42	160m	-13 / -18	SP3DX	-15 / -13	5	✓ Full exchange observed
10-18 21:38	160m	-11 / -11	LA9JKA	-12 / -	6	✓ Full exchange observed
10-18 21:34	160m	- / -	YO3YV	-15 / -	3	Partial capture
10-18 21:31	160m	-3 / -	SM2LKW	-12 / +6	7	✓ Closing observed
10-18 21:27	160m	-10 / -2	OM2WQ	+8 / +9	5	✓ Full exchange observed
10-18 21:19	160m	+4 / -5	DL7MDX	-9 / -9	5	✓ Full exchange observed
10-18 21:01	160m	-9 / -	ON7NQ	- / -	8	Partial capture
10-18 20:52	160m	-10 / -	SQ3DQ	- / -	3	Partial capture
10-18 20:50	160m	-10 / -	EB5AFK	- / -	2	Partial capture
10-18 12:47	10m	- / -8	CT7AUT	-12 / -	2	✓ Closing fragment
10-18 12:20	10m	- / -3	EA4EUO	-6 / -	2	✓ Closing fragment
10-18 12:17	10m	- / -10	CS7BPG	-10 / -	2	✓ Closing fragment
10-18 12:15	10m	- / -7	EA4EUO	-13 / -	2	✓ Closing fragment
10-17 13:22	10m	- / -12	7Z1FF	-10 / -	2	✓ Closing fragment
10-17 12:53	10m	- / -14	CR7BUJ	-12 / -	2	✓ Closing fragment
10-16 10:21	10m	- / +5	CS7BPG	-22 / -	2	Partial capture
10-12 22:14	160m	+5 / -	LB9ZG	-2 / -7	5	✓ Full exchange observed
10-12 22:02	160m	+11 / -10	SQ7HJX	+14 / +8	5	✓ Full exchange observed
10-12 21:57	160m	-2 / -1	SN6P	-6 / -3	6	✓ Full exchange observed
10-12 21:55	160m	+4 / -	GM4JYB	-20 / -5	7	✓ Full exchange observed
10-12 21:51	160m	+1 / -19	RW9JZ	-1 / -5	5	✓ Full exchange observed
10-12 21:50	160m	0 / -	YL3NU	- / -	2	Partial capture
10-12 21:45	80m	+2 / -9	SM7TZK	-6 / +2	6	✓ Full exchange observed
10-12 21:42	80m	- / 0	SP4MSY	-2 / -	2	✓ Closing fragment
10-12 21:39	80m	-2 / +5	DK6WS	-8 / +7	5	✓ Full exchange observed
10-12 21:37	80m	- / -	DK8HC	-4 / -	5	Partial capture
10-12 21:36	80m	-2 / -5	OK1HEH	-6 / -	3	✓ Closing observed
10-12 21:32	80m	+2 / +8	PI4DX	+8 / -	3	✓ Closing observed
10-12 21:25	80m	+10 / -5	DO9BAU	+6 / -	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
202330 +12 2656  SP2HJN SM7TZK +00
202345  +7 2657  SM7TZK SP2HJN R+09 (x2)
202600  -8 1644  RY4D SP2HJN JO94 (x3)
202930  -4 1427  YU7AS SP2HJN JO94
202945  +5 1429  SP2HJN YU7AS -06
203000  -5 1427  YU7AS SP2HJN R-05
203015  +6 1429  SP2HJN YU7AS RRR
203030  -2 1427  YU7AS SP2HJN 73
203300  -4 1542  DB100FT SP2HJN JO94
203315  -3 1542  SP2HJN DB100FT +11
203330  +0 1542  DB100FT SP2HJN R+12
203445  +3 1002  SP2HJN EU1EU -03

160m

UTC    dB Audio  Message
215145  -5 1542  IZ8ESX SP2HJN R-01
215200  -6 1542  SP2HJN IZ8ESX RR73
215215  -5 1542  IZ8ESX SP2HJN 73
201315 -17 1104  R6HV SP2HJN JO94
201330  -1 1103  SP2HJN R6HV -16
201345 -19 1104  R6HV SP2HJN R+07
201400  -6 1103  SP2HJN R6HV RR73
201415 -13 1104  R6HV SP2HJN 73
201430 -11  255  SP2HJN SQ2BXI JO94 (x4)
201715 -13 1497  EO210WLP SP2HJN JO94
201800  +7 1496  SP2HJN EO210WLP -08
201815 -14 1497  EO210WLP SP2HJN R+04

40m

UTC    dB Audio  Message
184545  -6 1948  SP2HJN LX1RFJ 73
194445  +7 1329  SP2HJN IK0CHU +01 (x2)
194815  +1 2035  SP2HJN IW4DNI +09
195130  +4  597  SP2HJN G6PWS -13 (x11)

10m

UTC    dB Audio  Message
114415 -19 1753  SP2HJN HZ1TT RR73
102130 -21 1590  SP2HJN CS7BPG IN51 (x2)
125345 -10 1167  SP2HJN CR7BUJ -14 (x2)
132245 -12 2077  SP2HJN 7Z1FF -12 (x2)
121545 -13 1370  SP2HJN EA4EUO -07 (x2)
121715  -9 1597  SP2HJN CS7BPG R-10 (x2)
122015  -4 1370  SP2HJN EA4EUO -03 (x2)
124700 -12 1530  SP2HJN CT7AUT -08 (x2)

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.

CW

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

Explore CW reception at SO8OO

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