SP9DPI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO90

Receiver-side FT8 activity involving SP9DPI, decoded by SO8OO in southeastern Poland. 958 related FT8 messages, 10 CQ messages, observed on 60m, 40m, 20m, 10m, across 73 UTC dates. Heard between 2026-05-25 and 2026-08-23.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

958
Related messages
10
CQ messages
73
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-25
Last seen: 2026-08-23 13:31 UTC

Activity Heatmap

Locator transmitted by SP9DPI

Approximate centre of JO90, decoded 2026-08-20 22:17 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandSP9DPI S/NCounterpartCounterpart S/NMsgsCapture
08-21 16:50 10m - / -17 DN9DSP -14 / - 2 ✓ Closing fragment
08-21 16:44 10m - / - PE9JAN -14 / - 2 Partial capture
08-21 16:35 10m - / -14 DJ3HW +2 / - 2 ✓ Closing fragment
08-21 08:40 10m - / +3 DN9DKN -8 / - 2 ✓ Closing fragment
08-20 22:18 40m -20 / - PI4TX - / -22 2 Partial capture
08-20 22:14 40m -24 / - PD0WC -5 / -19 2 ✓ Closing observed
08-20 22:05 40m -16 / - EA1KCU - / -17 2 Partial capture
08-19 22:39 40m - / -10 OZ/KD0NDU -3 / - 4 Partial capture
08-19 22:37 40m - / -16 HA1DUQ -12 / - 2 ✓ Closing fragment
08-19 22:36 40m - / -12 PE4C 0 / - 2 ✓ Closing fragment
08-19 22:23 40m - / -8 OZ/KD0NDU +2 / - 3 Partial capture
08-19 22:12 40m - / -11 OH3CYT -6 / - 2 ✓ Closing fragment
08-19 22:11 40m - / -12 OZ3AAF +1 / - 2 ✓ Closing fragment
08-19 08:56 10m - / -17 R6DWD -18 / - 2 Partial capture
08-18 09:12 10m - / -4 LZ4VR -15 / - 3 Partial capture
08-18 09:10 10m - / -6 SV2HTW -6 / - 2 ✓ Closing fragment
08-18 09:05 10m - / -15 R3KLE -2 / - 2 ✓ Closing fragment
08-18 08:52 10m - / -14 <...> -1 / - 3 Partial capture
08-17 21:40 40m - / -18 OE8DDX -2 / - 2 ✓ Closing fragment
08-17 11:39 10m - / -12 R7NO -18 / - 2 ✓ Closing fragment
08-17 11:36 10m - / -18 SV1EAG -21 / - 5 Partial capture
08-16 21:43 10m - / -6 RA3DA +5 / - 2 ✓ Closing fragment
08-16 17:18 10m - / -3 PD1GOL -20 / - 2 ✓ Closing fragment
08-16 16:44 10m - / -9 LZ3AN -12 / - 2 ✓ Closing fragment
08-15 16:53 10m - / -11 R7RAG -6 / - 2 ✓ Closing fragment
08-12 10:12 10m - / -15 CT3MD -5 / - 3 ✓ Closing fragment
08-11 22:47 40m -14 / - SP6AMI - / - 3 Partial capture
08-11 18:14 10m - / -5 RN4AQ -5 / - 2 ✓ Closing fragment
08-11 18:09 10m - / -10 R3OR 0 / - 2 ✓ Closing fragment
08-11 17:57 10m - / -20 EA8UP -13 / - 2 ✓ Closing fragment
08-09 18:15 40m - / -6 HG2DX +2 / - 2 ✓ Closing fragment
08-09 17:51 10m - / 0 IZ3BUR +4 / - 3 ✓ Closing fragment
08-09 14:09 10m - / -8 R6BH -20 / - 2 ✓ Closing fragment
08-02 22:51 40m - / -13 EA3AKY -19 / - 2 ✓ Closing fragment
08-02 21:55 40m - / -14 LZ9DX -3 / - 2 ✓ Closing fragment
08-02 18:46 40m - / -15 SQ5NAN -4 / - 4 ✓ Closing fragment
08-02 18:34 40m - / -16 SP7WTC -13 / - 2 ✓ Closing fragment
08-02 18:32 40m - / -14 SP2FWC -5 / - 2 ✓ Closing fragment
07-31 19:20 10m - / -15 DL0NW -19 / - 4 Partial capture
07-30 10:26 10m - / -4 RU5X -6 / - 2 ✓ Closing fragment
07-30 08:21 10m - / -6 F1MXE +5 / - 2 ✓ Closing fragment
07-29 18:14 10m - / -15 PD0OTH -20 / - 4 Partial capture
07-29 17:22 10m - / -14 IU3TAI -18 / - 2 ✓ Closing fragment
07-28 22:54 40m - / -12 LZ5UY -16 / - 3 ✓ Closing fragment
07-28 22:51 40m - / -15 RN3YN -10 / - 2 ✓ Closing fragment
07-28 22:47 40m - / -6 YL3RK -18 / - 4 ✓ Closing fragment
07-28 22:34 40m - / -24 SP2OSP -6 / - 4 ✓ Closing fragment
07-27 21:39 40m - / -7 9A2L -16 / - 2 ✓ Closing fragment
07-25 22:15 40m - / -13 SM7JKW -12 / - 2 ✓ Closing fragment
07-25 08:22 10m - / -9 DN9SGE -13 / - 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
091345 -15 1825  SP9DPI LZ4VR R-04
092215  -8  847  SP9DPI IK2SND 73
111730 -23 1698  SP9DPI ON3MOH/P R-24
085630 -16 2112  SP9DPI R6DWD R-17 (x2)
083945 -16 1904  SP9DPI DG2SAT JN48
084045  -7  776  SP9DPI DN9DKN R+03 (x2)
163530  +4  639  SP9DPI DJ3HW R-14 (x2)
164430 -14 1784  SP9DPI PE9JAN JO22 (x2)
165015 -15 1862  SP9DPI DN9DSP R-17 (x2)
153115  -6 2740  SP9DPI IK7YZB -16
40m
UTC    dB Audio  Message
223630  -1 2239  SP9DPI PE4C 73
223700 -15 1309  SP9DPI HA1DUQ R-16 (x2)
223930  +1 1536  SP9DPI OZ/KD0NDU R-10 (x4)
220530 -14 1852  EA1KCU SP9DPI -17 (x2)
221430 -24 1853  PD0WC SP9DPI -19
221615  -5  317  SP9DPI PD0WC 73
221630 -22 1852  CQ SP9DPI JO90                        a1 (x2)
221800 -20 1853  PI4TX SP9DPI -22 (x2)
20m
UTC    dB Audio  Message
185030 +16 2906  SP9DPI IQ4JO -18 (x2)
185545  +2 2460  SP9DPI IU1LEB RR73
204130  -6  630  SP9DPI GM3AND -05 (x2)
221115  -5  709  SP9DPI M7BUY -18 (x2)
193715  -4 2042  SP9DPI OE3PBS +00 (x2)
193845 -10 2123  SP9DPI EW8CG -01
194230  -5 1775  SP9DPI GB1500M +00
194300  -2 1775  SP9DPI RR73; CT7AXN <...> -02
211700 -21 1719  SP9DPI CR2WWA -22
160045  -3  913  SP9DPI DK9UD -21 (x2)
60m
UTC    dB Audio  Message
211830  +5 2067  SP9DPI OK1AR -15 (x3)
212200  -3 2369  SP9DPI F5HNQ IN98 (x2)
212400  +0 1755  SP9DPI F5RRS JN36 (x4)
213045  +3 2659  SP9DPI SO1CJ RR73
214730  +1 2341  SP9DPI OZ0A -25 (x2)
215100 -13 1270  SP9DPI LB6FG -20 (x3)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.