SP3TD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Most frequent locator attributed to this token: JO71

Receiver-side FT8 activity involving SP3TD, decoded by SO8OO in southeastern Poland. 219 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 23 UTC dates in the available aggregate history. Observed between 2026-07-31 and 2026-09-19.

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 219 FT8 messages attributed to SP3TD as the transmitting token by decoded message structure across 23 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (72%), followed by 40 m (28%). Most decodes (64%) fell within the six-hour window 17:00-23:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

219
Messages attributed
23
UTC dates decoded
51
Active 15-min windows
-9 dB
Estimated median S/N

Bands

80m · 158 40m · 61
First attributed message: 2026-07-31
Last attributed message: 2026-09-19 20:19 UTC

Observed FT8 message patterns

Attributed sample
219 messages
Active dates
23 UTC dates
Estimated median S/N
-9 dB
Estimated 10th-90th percentile
-17 to -1 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 34, moderate (-15 to -9 dB) 89, strong (≥ -8 dB) 96.

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 SP3TD in decoded directed-looking exchanges:

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 SP3TD

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
JO71 · 176 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
508 km (approx.)
Last such locator decoded
2026-09-19 20:19 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 UTCBandSP3TD S/NCounterpartCounterpart S/NMsgsCapture
09-19 20:32 40m - / -25 R3RRC/P -6 / - 2 Partial capture
09-19 20:19 80m -4 / - LZ936BA - / -8 2 Partial capture
09-19 20:16 80m - / -16 9A60CBM +7 / - 2 Partial capture
09-17 22:23 80m - / -7 OK1SI +19 / - 3 Partial capture
09-17 22:15 80m -1 / - OK1SI - / - 2 Partial capture
09-17 21:24 80m -8 / - UA2FFD - / - 2 Partial capture
09-17 20:35 40m - / -7 OH5KNL +5 / - 3 Partial capture
09-17 19:35 80m -7 / -14 OZ7CL -4 / -10 4 ✓ Full exchange observed
09-17 19:33 80m -8 / - UA1TAT - / - 4 Partial capture
09-17 19:31 80m -9 / - OZ7CL - / - 3 Partial capture
09-17 19:28 80m -9 / - SA6DST +5 / -18 3 ✓ Closing observed
09-17 19:26 80m -12 / - S58Y - / - 4 Partial capture
09-17 19:19 80m -3 / - S58Y - / - 2 Partial capture
09-17 19:04 80m - / - SP4WJ -5 / - 13 Partial capture
09-17 19:02 80m - / - SP6FME +14 / - 3 Partial capture
09-17 19:00 80m -2 / -12 SP7ROH +10 / +2 5 ✓ Full exchange observed
09-17 18:56 80m -6 / -9 DL0IR +12 / -17 10 ✓ Full exchange observed
09-17 18:50 80m -1 / - YL3GED - / - 5 Partial capture
09-16 20:05 40m -3 / - V47YA - / - 2 Partial capture
09-16 05:12 80m -15 / - DO5HOK - / - 3 Partial capture
09-16 05:10 80m -9 / - DO2NM - / - 3 Partial capture
09-16 05:09 80m -10 / -12 S58MU +14 / -7 5 ✓ Full exchange observed
09-16 05:05 80m -4 / -18 PA4PA 0 / -6 5 Partial capture
09-16 05:03 80m +5 / -19 DO9YU -16 / -15 4 ✓ Full exchange observed
09-15 05:13 80m - / -12 HF26BMS +16 / - 5 Partial capture
09-15 05:12 80m -4 / - DB100FT - / - 2 Partial capture
09-15 05:09 80m -14 / - HB0CC - / - 5 Partial capture
09-15 05:06 80m -16 / - DL8TV - / - 4 Partial capture
09-15 05:04 80m -13 / - HB9EFK - / - 4 Partial capture
09-14 04:29 80m -11 / - S55OO - / - 3 Partial capture
09-14 04:27 80m -7 / - SN40KZE - / - 3 Partial capture
09-14 04:26 80m -6 / -8 DK7ZT -4 / -7 6 ✓ Full exchange observed
09-14 04:24 80m -3 / - UA9JTJ/9 - / +8 2 Partial capture
09-14 04:24 80m - / +2 SN40KZE -4 / - 2 Partial capture
09-13 19:25 80m - / - DO9BAU -3 / - 11 Partial capture
09-13 19:24 80m -4 / -7 PI4DX +3 / -7 7 ✓ Full exchange observed
09-13 19:19 80m -2 / -13 DO1JAR -1 / -5 8 ✓ Full exchange observed
09-13 19:02 80m -2 / - RA2FU - / -7 4 Partial capture
09-12 19:01 80m -13 / -15 SQ7SE +10 / -14 7 Partial capture
09-12 09:21 40m -11 / -15 DA1ST -4 / - 3 ✓ Closing observed
09-11 21:45 80m -15 / - HF100PKP - / - 5 Partial capture
09-11 21:39 80m -6 / - HF100PKP - / - 3 Partial capture
09-11 21:22 80m -14 / - SN40KZE - / +6 2 Partial capture
09-11 21:21 80m -8 / - EI4JFB - / - 2 Partial capture
09-11 21:19 80m -10 / - Z62NS - / - 2 Partial capture
09-11 21:18 80m - / - YO6LM +5 / - 2 Partial capture
09-11 21:16 80m -10 / - DO3BOX - / - 2 Partial capture
09-11 21:16 80m -10 / - UA4FKT +4 / -7 3 Partial capture
09-11 21:14 80m -6 / -15 DK7TX -4 / -13 5 ✓ Full exchange observed
09-11 21:08 80m -2 / - SM7XON - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
205700  -7  783  UI6O SP3TD JO71
205900  -9  783  SV9QWC SP3TD JO71
213400  -3 1335  SP3TD II9IAGM -21
092145  -3  633  SP3TD DA1ST JO41 (x2)
092230 -11  633  DA1ST SP3TD RR73
092530  -9  632  SP2BT SP3TD RR73
200530  -6  551  V47YA SP3TD JO71 (x2)
203500  +6 2442  SP3TD OH5KNL -07 (x3)
204030 -15  553  RN3DDW/P SP3TD JO71
203200  -8  859  SP3TD R3RRC/P -25 (x2)
80m 
UTC    dB Audio  Message
193615  -6  519  OZ7CL SP3TD 73
212400  -9  519  UA2FFD SP3TD JO71 (x2)
221545  +0  519  OK1SI SP3TD JO71 (x2)
221845  -6  519  S58BJ SP3TD JO71
222315 +23  313  SP3TD OK1SI -07 (x3)
193745  -9  901  R1IO SP3TD JO71
201630 +10 1220  SP3TD 9A60CBM -16 (x2)
201915  -5  826  LZ936BA SP3TD JO71
201930  -5 2075  SP3TD HF100PKP -18
201945  -3  826  LZ936BA SP3TD R-08
10m 
UTC    dB Audio  Message
200515 -16 2083  SP3TD HB9RBV RR73
200645 -12  815  SP3TD PH2M -16 (x6)
202615 -17 1833  SP3TD IU4PTA +02 (x2)
202715 -14  670  SP3TD F6FHZ JN18
203215  -4  815  SP3TD PH2M -09 (x2)
083645 -11  980  SP3TD SV1CQN +16
164200 -12 1553  SP3TD ON8PB +04 (x2)
20m 
UTC    dB Audio  Message
054215 -22 1673  SP3TD EA4D -12
061600 -14  964  SP3TD F5PBG IN78
071615  -8 2029  SP3TD YO6LM -12
072215  +4  959  SP3TD 9A4ZM JN86 (x2)
072315 -18 1087  SP3TD CT3MD IM13
072315  +4  960  SP3TD 9A4ZM JN86
072345 -18 1088  SP3TD CT3MD IM13

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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