9A4LT — 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: Croatia Most frequent locator attributed to this token: JN74

Receiver-side FT8 activity involving 9A4LT, decoded by SO8OO in southeastern Poland. 47 FT8 messages attributed to this token as transmitter, on 40m, across 7 UTC dates in the available aggregate history. Observed between 2026-08-05 and 2026-09-25.

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 47 FT8 messages attributed to 9A4LT as the transmitting token by decoded message structure across 7 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). Most decodes (72%) fell within the six-hour window 14:00-20:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10 dB.

Overview

47
Messages attributed
7
UTC dates decoded
17
Active 15-min windows
-10 dB
Estimated median S/N

Bands

40m · 47
First attributed message: 2026-08-05
Last attributed message: 2026-09-25 15:21 UTC

Observed FT8 message patterns

Attributed sample
47 messages
Active dates
7 UTC dates
Estimated median S/N
-10 dB
Estimated 10th-90th percentile
-19 to -4 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 14, moderate (-15 to -9 dB) 16, strong (≥ -8 dB) 17.

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 9A4LT 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 9A4LT

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
JN74 · 23 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
792 km (approx.)
Last such locator decoded
2026-09-25 15:21 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 UTCBand9A4LT S/NCounterpartCounterpart S/NMsgsCapture
09-25 15:15 40m -20 / - IW3HXR -14 / +6 5 ✓ Full exchange observed
09-25 15:10 40m - / -24 PC2F -22 / - 3 Partial capture
09-25 15:08 40m - / +1 IV3JSC +2 / - 2 ✓ Closing fragment
09-22 16:01 40m -19 / -18 DJ2MS -11 / - 3 ✓ Closing observed
09-21 14:59 40m -13 / - IS0AAS - / -1 4 ✓ Closing fragment
09-21 14:56 40m -10 / - DL4GI - / -7 5 Partial capture
09-21 14:53 40m -10 / -14 ON1DGN -14 / -5 4 ✓ Full exchange observed
09-21 14:47 40m -8 / - G8KHF - / -15 4 Partial capture
09-21 14:42 40m -12 / - S55X - / 0 2 ✓ Closing fragment
09-21 14:36 40m - / +2 HB9ELE +2 / - 2 ✓ Closing fragment
09-03 09:13 40m -18 / +7 OE4BHF -8 / - 4 ✓ Closing observed
09-02 17:05 40m - / -6 DH0YAH -3 / - 3 ✓ Closing fragment
09-02 16:55 40m - / -3 DK9EU -8 / - 2 ✓ Closing fragment
09-01 11:00 40m - / -16 PE9JAN -22 / - 3 ✓ Closing fragment
08-31 20:03 40m -10 / - <...> - / - 6 Partial capture
08-31 19:57 40m -8 / - TA2EE - / -20 2 Partial capture
08-31 19:52 40m - / -4 DB9LG +8 / - 3 ✓ Closing fragment
08-31 19:39 40m - / -11 DL3MIB +8 / - 3 ✓ Closing fragment
08-31 19:38 40m 0 / - II7MGXX - / -8 2 Partial capture
08-31 16:43 20m - / -19 EX7DY -16 / - 2 ✓ Closing fragment
08-08 16:44 20m - / - DL9KM -16 / - 3 Partial capture
08-08 16:19 20m - / -7 SV2HTW -4 / - 3 Partial capture
08-08 10:11 40m - / -9 SQ9KWY 0 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
160100 -19 1285  DJ2MS 9A4LT JN74
160115  -8 1067  9A4LT DJ2MS -18 (x2)
150800  +0 2816  9A4LT IV3JSC +01 (x2)
151000 -22 1813  9A4LT PC2F JO22 (x3)
151515 -21 1714  IW3HXR 9A4LT JN74
151530 -13 1716  9A4LT IW3HXR +12
151545 -16 1713  IW3HXR 9A4LT R+06
151600 -15 1715  9A4LT IW3HXR RR73
151645 -24 1714  IW3HXR 9A4LT RR73
152100 -12  580  IW2DNI 9A4LT JN74
152215  +0 1933  9A4LT LZ936BA -06
20m 
UTC    dB Audio  Message
161300  -9  672  9A4LT PD1DRE RR73
161915  -5  961  9A4LT SV2HTW -07 (x3)
164415 -15 1907  9A4LT DL9KM JN68 (x3)
164300 -14 1215  9A4LT EX7DY -19 (x2)
101745 -23 1980  9A4LT F5RRS JN36

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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