SP9ALT — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving SP9ALT, decoded by SO8OO in southeastern Poland. 158 related FT8 messages, 13 CQ messages, observed on 80m, 40m, 20m, 10m, across 15 UTC dates. Heard between 2026-05-28 and 2026-08-10.

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.

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Overview

158
Related messages
13
CQ messages
15
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-28
Last seen: 2026-08-10 19:34 UTC

Activity Heatmap

Locator transmitted by SP9ALT

Approximate centre of JO90, decoded 2026-08-06 21:31 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 UTCBandSP9ALT S/NCounterpartCounterpart S/NMsgsCapture
08-10 21:32 20m - / +2 DL3NA -20 / - 3 Partial capture
08-02 20:20 20m - / -6 IU2THY -12 / - 4 Partial capture
08-02 20:17 20m - / - DB5BC -9 / - 3 Partial capture
08-02 20:16 20m - / - CT1BFP -4 / - 3 Partial capture
08-02 20:09 20m - / +6 R3UAX +4 / - 2 ✓ Closing fragment
08-02 09:54 40m - / - SP9UPH -4 / - 10 Partial capture
08-02 09:54 40m -20 / - SQ9KWY -14 / - 4 ✓ Full exchange observed
08-02 09:40 40m -8 / -3 UT4PA -7 / +10 4 ✓ Full exchange observed
08-02 09:36 40m -8 / - SP9WAZ -17 / -6 3 ✓ Closing observed
08-02 09:33 40m - / - DL9KM -14 / - 2 Partial capture
08-02 09:32 40m - / - UT4PA -8 / - 2 Partial capture
08-02 09:31 40m -9 / - SQ2NIG - / -9 3 ✓ Closing fragment
07-08 20:23 40m - / - 9A4ZM -12 / - 3 Partial capture
07-05 21:32 40m - / -11 LZ3HG -19 / - 3 ✓ Closing fragment
07-03 19:58 40m - / -3 DK3BK -6 / - 2 ✓ Closing fragment
07-03 19:22 40m -17 / -8 EW4DX -10 / +7 3 ✓ Full exchange observed
07-03 19:17 40m -22 / - GB2WWA - / - 2 Partial capture
07-03 19:15 40m -20 / - UA4HNU - / - 4 Partial capture
07-03 19:13 40m -20 / - RL3F - / - 2 Partial capture
07-03 19:07 40m -18 / +3 SP9EVL -16 / - 3 ✓ Closing observed
06-10 20:09 80m -5 / - R2EA - / - 4 Partial capture
06-08 19:59 40m -2 / - EX7CQ - / - 4 Partial capture
06-08 19:47 20m - / -8 YO6OGW -3 / - 4 ✓ Closing fragment
06-06 21:09 40m -15 / - F1MBL - / +5 3 ✓ Closing fragment
06-05 21:19 40m -18 / - HB9EXE - / - 2 Partial capture
06-05 21:15 40m -19 / - IQ0OS - / +9 3 ✓ Closing fragment
06-05 16:31 40m -14 / - A61FJ - / - 5 Partial capture
06-05 16:29 40m -14 / - IQ0OS - / - 2 Partial capture
06-05 16:26 40m -15 / +6 DL6EL +3 / - 5 ✓ Full exchange observed
06-05 16:26 40m - / - S51PV -11 / - 4 Partial capture
06-05 16:24 40m - / - DG6ITP -4 / - 2 Partial capture
06-05 16:24 40m - / - S57BTI +11 / - 2 Partial capture
06-05 16:20 40m -11 / - PA0WDN - / - 4 Partial capture
06-05 16:18 40m +2 / - LA2GCA - / +1 2 Partial capture
06-04 23:10 40m - / - RA3WY -12 / - 2 Partial capture
06-04 23:08 40m - / -13 M0OVG -2 / - 2 ✓ Closing fragment
06-04 23:00 40m - / - 4L7T -17 / - 3 ✓ Closing fragment
06-04 22:52 40m - / -5 E72ET 0 / - 2 Partial capture
06-03 20:28 10m - / +7 R3IDH -2 / - 2 ✓ Closing fragment
06-01 19:33 40m -12 / - A61OK - / - 3 Partial capture
06-01 19:31 40m -16 / - EX7CQ - / - 2 Partial capture
06-01 19:29 40m -14 / - PD3LWD - / - 2 Partial capture
06-01 19:27 40m -13 / - R2RCQ - / +2 4 ✓ Closing fragment
06-01 19:26 40m -7 / - 9A4ZM - / +5 2 Partial capture
06-01 19:22 40m -6 / - <...> - / -9 3 Partial capture
06-01 19:22 40m - / - 9A4ZM 0 / - 3 Partial capture
06-01 18:56 40m - / -7 R7CD -4 / - 2 ✓ Closing fragment
05-29 21:28 40m - / - II1NAP -4 / - 2 ✓ Closing fragment
05-29 21:24 40m - / -13 II1NAP +2 / - 2 ✓ Closing fragment
05-29 21:16 40m - / -13 M7KQX 0 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
201345  -8  779  SP9ALT PD9JPV R-07
201645  -5  782  SP9ALT CT1BFP IM59
201715 -10 2064  SP9ALT DB5BC JO30
201715  -3  782  SP9ALT CT1BFP IM59 (x2)
201745 -10 2064  SP9ALT DB5BC JO30 (x2)
202045 -12  564  SP9ALT IU2THY JN45 (x4)
203945 -24 1392  SP9ALT DL1UDO JO31
213200 -16 1727  SP9ALT DL3NA R+02 (x3)
80m
UTC    dB Audio  Message
220615 -10 1904  SP6SR SP9ALT JO90 (x3)
220915 -14 1904  CQ SP9ALT JO90
220930 -19 1648  SP9ALT R4FDK LO23
220945 -12 1904  R4FDK SP9ALT -14
221030 -17 1648  SP9ALT R4FDK 73
200900  -8 1904  R2EA SP9ALT JO90 (x4)
213100  +3  309  CQ SP9ALT JO90 (x2)
40m
UTC    dB Audio  Message
095400 -19 1560  CQ SP9ALT JO90
095415 -17 1561  SP9ALT SQ9KWY JN99
095415  -3 1744  SP9ALT SP9UPH JO90
095430 -20 1560  SQ9KWY SP9ALT +18
095445 -14 1565  SP9ALT SQ9KWY R+16
095445  -4 1744  SP9ALT SP9UPH JO90
095545 -12 1564  SP9ALT SQ9KWY 73
095545  -6 1743  SP9ALT SP9UPH JO90 (x8)
10m
UTC    dB Audio  Message
202815  -3 1438  SP9ALT R3IDH +07 (x2)

Decoder S/N history by band

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