SP9TDA — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving SP9TDA, decoded by SO8OO in southeastern Poland. 226 related FT8 messages, 38 CQ messages, observed on 160m, 80m, 20m, 10m, across 9 UTC dates. Heard between 2026-05-09 and 2026-06-27.

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

226
Related messages
38
CQ messages
9
UTC dates heard
+0 dB
Mean decoder S/N

Bands

80m 20m 10m 160m
First seen: 2026-05-09
Last seen: 2026-06-27 17:52 UTC

Frequent QSO partners observed at SO8OO

Stations SP9TDA worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by SP9TDA

Approximate centre of JO90, decoded 2026-06-27 19:54 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 UTCBandSP9TDA S/NCounterpartCounterpart S/NMsgsCapture
06-27 19:52 80m +20 / - TA4RC - / - 5 Partial capture
06-27 19:51 80m +14 / -9 IZ8WGR +6 / -10 5 ✓ Full exchange observed
06-27 19:49 80m +19 / - TA4RC - / - 2 Partial capture
06-27 19:47 80m +15 / +1 HA7GSZ +12 / +7 5 ✓ Full exchange observed
06-27 19:44 80m +15 / -9 YL3CU +4 / +4 5 ✓ Full exchange observed
06-27 19:37 80m +17 / - EW1TA -4 / -8 4 ✓ Closing observed
06-27 19:33 80m +19 / +3 YU0X +17 / +4 10 ✓ Full exchange observed
06-27 19:23 80m +22 / +6 OE5PEN 0 / -9 5 ✓ Full exchange observed
06-27 19:21 80m +19 / - TA4RC - / - 2 Partial capture
06-27 19:19 80m +16 / -7 RC2DD +8 / -9 5 ✓ Full exchange observed
06-27 19:14 80m +24 / +1 SP5DFK +11 / -11 5 ✓ Full exchange observed
06-15 12:31 10m - / -1 ON7DE -10 / - 2 ✓ Closing fragment
06-15 12:21 10m - / 0 F4NDC +3 / - 3 ✓ Closing fragment
06-15 12:16 10m - / - IK2ULS/9 -4 / - 7 Partial capture
06-15 12:13 10m - / -24 PD9FLX -3 / - 5 ✓ Closing fragment
06-15 12:06 10m - / - IK2ULS/9 -5 / - 4 Partial capture
06-15 12:04 10m - / - IZ8LLH -8 / - 2 ✓ Closing fragment
06-15 11:58 10m - / +4 IW2HUS -4 / - 2 ✓ Closing fragment
06-15 11:56 10m - / +3 F4JRC +12 / - 2 ✓ Closing fragment
06-14 19:44 80m +18 / - IQ3UCY - / - 2 Partial capture
06-14 19:41 80m +18 / - IV3KAS - / - 2 Partial capture
06-14 19:39 80m +17 / - IQ3UCY - / - 4 Partial capture
06-14 19:37 80m +16 / - R1TET - / -16 3 ✓ Closing fragment
06-14 19:35 80m +17 / -5 DM5ME +2 / -1 5 ✓ Full exchange observed
06-14 19:33 80m +19 / -13 IW0RQJ -6 / -22 5 ✓ Full exchange observed
06-14 19:31 80m +12 / -4 R3ZBH 0 / - 4 ✓ Closing observed
06-14 19:29 80m +12 / -4 E74MG +6 / +5 5 ✓ Full exchange observed
06-14 19:26 80m +18 / -18 DO6IL -22 / -23 6 ✓ Full exchange observed
06-14 19:24 80m +17 / -23 DL9PN -14 / -17 5 ✓ Full exchange observed
06-14 19:21 80m +16 / - HB3YOY - / - 2 Partial capture
06-14 19:20 80m +16 / - DO8DX - / - 3 Partial capture
06-14 19:15 80m +15 / - SQ9AWN - / +1 3 Partial capture
06-14 19:14 80m +12 / -4 DD0AM -9 / -15 5 ✓ Full exchange observed
06-14 19:08 80m +14 / - SQ9AWN - / - 4 Partial capture
06-14 19:05 80m +10 / -6 SQ3WL -3 / -2 8 ✓ Full exchange observed
06-14 19:04 80m +6 / 0 SP3GTP -15 / +3 3 Partial capture
06-13 17:27 20m - / -5 M0MBM -5 / - 2 ✓ Closing fragment
06-13 16:51 20m - / -13 A92AE +2 / - 2 Partial capture
06-13 16:28 20m - / 0 YO4DW +2 / - 2 ✓ Closing fragment
06-13 16:17 20m - / -3 9K2MY -6 / - 2 ✓ Closing fragment
06-13 16:16 20m - / -13 SV8JVM -8 / - 5 ✓ Closing fragment
06-13 15:23 20m - / -17 UN8DSW -6 / - 3 ✓ Closing fragment
06-08 13:41 10m - / +3 IK4LZH -2 / - 2 ✓ Closing fragment
06-08 13:36 10m - / - IK2DDR +8 / - 2 ✓ Closing fragment
06-08 13:29 10m - / -1 DL3MIB +7 / - 2 Partial capture
06-07 18:50 10m - / -7 IK1HSO -8 / - 2 ✓ Closing fragment
06-07 18:43 10m - / - IU0VOG +4 / - 2 ✓ Closing fragment
06-07 18:42 10m - / - SV2CLJ +5 / - 4 Partial capture
06-07 12:22 10m - / -12 RL6MT +6 / - 2 ✓ Closing fragment
06-07 12:00 10m - / -14 A61CK +2 / - 6 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
194815 +15  835  HA7GSZ SP9TDA R+07
194830 +12 1006  SP9TDA HA7GSZ RR73
194845 +19  835  HA7GSZ SP9TDA 73
194915 +19  835  TA4RC SP9TDA JO90 (x2)
195115  +9  835  IZ8WGR SP9TDA JO90
195130  +8  835  SP9TDA IZ8WGR -09
195145 +17  835  IZ8WGR SP9TDA R-10
195200  +3  835  SP9TDA IZ8WGR RR73
195215 +16  835  IZ8WGR SP9TDA 73
195245 +14  835  TA4RC SP9TDA JO90 (x5)
10m 
UTC    dB Audio  Message
121700  -2 2712  SP9TDA IK2ULS/9 (x3)
121830 +13 2780  SP9TDA IQ4JO JN63
121900  -2 2711  SP9TDA IK2ULS/9 (x2)
121930  -8  924  SP9TDA I3AWK 73
122100  -8 2679  <SP9TDA> IK2ULS/9
122100  +7 1012  SP9TDA F4NDC JN26 (x3)
123100 -13 1825  SP9TDA ON7DE R-01 (x2)
123330  +6 2777  SP9TDA IQ4JO JN63
123600  +5 1759  SP9TDA IV3VFP RR73
20m 
UTC    dB Audio  Message
161800 -12 1131  SP9TDA SV8JVM -13
161800  -5  759  SP9TDA RK9UM NO35
161830  -5 1131  SP9TDA SV8JVM RR73
162100  +6 2416  SP9TDA IQ5AAR RR73
162200  +7  856  SP9TDA IQ7PU -02
162230  +7  856  SP9TDA RR73; OK1PBB <...> -06
162800  +4 2334  SP9TDA YO4DW +00 (x2)
165045 -14  688  SP9TDA M8TMM RR73
165145  +2  423  SP9TDA A92AE -13 (x2)
172700  -2  291  SP9TDA M0MBM -05 (x2)
173630  -5  356  SP9TDA YL2KF -01
174400 -14 1817  SP9TDA TA2VUZ +06

Decoder S/N history by band

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