9A3EYA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Croatia Most frequent locator attributed to this token: JN86

Receiver-side FT8 activity involving 9A3EYA, decoded by SO8OO in southeastern Poland. 1,704 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 22 UTC dates in the available aggregate history. Observed between 2026-07-02 and 2026-10-10.

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 1,704 FT8 messages attributed to 9A3EYA as the transmitting token by decoded message structure across 22 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (55%), followed by 40 m (44%) and 20 m (1%). Most decodes (90%) fell within the six-hour window 16:00-22:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (93%); the estimated median was +4 dB.

Overview

1,704
Messages attributed
22
UTC dates decoded
128
Active 15-min windows
+4 dB
Estimated median S/N

Bands

First attributed message: 2026-07-02
Last attributed message: 2026-10-10 16:59 UTC

Observed FT8 message patterns

Attributed sample
1,704 messages
Active dates
22 UTC dates
Estimated median S/N
+4 dB
Estimated 10th-90th percentile
-7 to +15 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 35, moderate (-15 to -9 dB) 89, strong (≥ -8 dB) 1,580.

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.

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 9A3EYA

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
JN86 · 810 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
521 km (approx.)
Last such locator decoded
2026-10-10 16:57 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 UTCBand9A3EYA S/NCounterpartCounterpart S/NMsgsCapture
10-10 16:56 80m +12 / - F4GVO +4 / -14 7 ✓ Closing observed
10-10 16:54 80m - / -12 R3ZMM +8 / - 2 ✓ Closing fragment
10-10 16:51 80m +9 / -13 R2DR 0 / -8 5 ✓ Full exchange observed
10-10 16:49 80m +8 / +1 OE6TNO +3 / -4 5 ✓ Full exchange observed
10-10 16:46 80m +6 / -16 R2PT -4 / -8 5 ✓ Full exchange observed
10-10 16:45 80m +13 / -4 F1PBZ -4 / -7 6 Partial capture
10-10 16:45 80m +8 / - G4TJJ -15 / -15 3 ✓ Closing observed
10-10 16:42 80m +4 / -3 DF5AU +14 / -2 6 ✓ Full exchange observed
10-10 16:42 80m 0 / - DH0ZAL - / -13 2 ✓ Closing fragment
10-09 19:17 40m - / -11 UR9QQ -8 / - 4 Partial capture
10-09 17:25 40m -8 / -9 RA8AF -14 / -12 5 ✓ Full exchange observed
10-09 17:22 40m -9 / - M7WFZ - / - 3 Partial capture
10-09 17:20 40m -8 / - M1AOB - / -11 3 ✓ Closing fragment
10-09 17:15 40m -8 / - DJ6OI/P - / - 2 Partial capture
10-09 17:11 40m -10 / -13 IK0BAL -2 / -16 4 ✓ Full exchange observed
10-09 17:09 40m -10 / - UA4FKT -5 / -5 3 Partial capture
10-09 17:08 40m - / - R1AV -9 / - 2 Partial capture
10-09 17:08 40m - / -9 R2SN -10 / - 3 ✓ Closing fragment
10-09 17:06 40m - / -7 DA0M -12 / - 2 Partial capture
10-09 17:05 40m -12 / -8 OH3OJ +1 / +1 4 ✓ Full exchange observed
10-07 21:24 40m -3 / - JA3FYC - / -9 7 ✓ Closing fragment
10-07 21:15 40m -18 / - 8Q7PR - / - 2 Partial capture
10-07 20:25 40m - / - CT3HU -6 / - 2 Partial capture
10-07 20:21 40m - / - EW8DU -3 / - 3 Partial capture
10-07 20:19 40m - / -5 II5GG -11 / - 4 ✓ Closing fragment
10-07 20:12 40m - / -8 IU4DTV -17 / - 2 ✓ Closing fragment
10-07 19:38 40m - / -3 ON1AEY +8 / - 2 ✓ Closing fragment
10-07 19:29 40m - / -4 R7CD -14 / - 2 ✓ Closing fragment
10-07 19:21 40m -10 / - MJ9JSY - / - 2 Partial capture
10-07 19:13 40m -3 / - VU3OSA - / -13 10 ✓ Closing fragment
10-07 19:12 40m -5 / - OZ2BX - / +2 3 ✓ Closing fragment
10-07 19:09 40m -6 / - RC5F - / -10 2 ✓ Closing fragment
10-07 19:08 40m +2 / - G0ANS -14 / -3 3 ✓ Closing observed
10-07 19:03 40m +2 / +9 DB5HA -12 / - 5 ✓ Closing observed
10-07 19:02 40m +4 / - M6INJ - / -11 2 ✓ Closing fragment
10-07 18:57 40m 0 / - DF4JY - / -18 4 ✓ Closing fragment
10-07 18:54 40m +6 / - VU3OSA - / - 2 Partial capture
10-07 18:53 40m -3 / - SQ9CXH - / -8 3 ✓ Closing fragment
10-07 18:47 40m -1 / - VU3OSA - / - 3 Partial capture
10-07 18:39 40m -9 / - HA7TM +8 / -8 6 ✓ Closing observed
10-07 18:37 40m -13 / -4 SV1DKR -14 / - 3 ✓ Closing observed
10-07 18:34 40m -19 / -6 DD3VV -7 / - 4 ✓ Closing observed
10-07 18:33 40m -14 / - SQ4INW - / -11 2 ✓ Closing fragment
10-07 18:30 40m -16 / - R4CEC - / -20 2 ✓ Closing fragment
10-07 18:27 40m -18 / - IZ4AIF 0 / -11 9 ✓ Full exchange observed
10-07 18:14 40m - / +10 OH5KNL +16 / - 2 ✓ Closing fragment
10-07 18:07 80m +3 / - 8S2A - / - 2 Partial capture
10-07 18:05 80m 0 / - SP2SGZ +1 / -17 3 ✓ Closing observed
10-07 18:03 80m +1 / +4 OH3MB -6 / -7 5 ✓ Full exchange observed
10-07 18:00 80m 0 / - DB7MA -6 / -9 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
165200  +9 1257  R2DR 9A3EYA -08
165215  +0 2087  9A3EYA R2DR R-13
165230  +9 1258  R2DR 9A3EYA RR73
165245  -1 2087  9A3EYA R2DR 73
165330 +10 1258  CQ 9A3EYA JN86 (x2)
165445  +8 2545  9A3EYA R3ZMM R-12 (x2)
165615  +5 1257  F4GVO 9A3EYA JN86 (x4)
165800  +4  256  9A3EYA F4GVO RR73
165815 +11  405  F4GVO 9A3EYA 73 (x2)
40m
UTC    dB Audio  Message
172045  -7 2548  M1AOB 9A3EYA JN86 (x3)
172245  -7 2549  M7WFZ 9A3EYA JN86 (x3)
172545  -8 2549  RA8AF 9A3EYA JN86 (x2)
172700 -15  842  9A3EYA RA8AF -09
172715  -7 2524  RA8AF 9A3EYA R-12
172730 -14  842  9A3EYA RA8AF RR73
191730  -9  498  9A3EYA UR9QQ KN77 (x4)
20m
UTC    dB Audio  Message
114830  -8 2588  9A3EYA G7RCQ IO91
114830 +11 1938  9A3EYA F5RRS R-17
114900  -4 2588  9A3EYA G7RCQ R-06
114900 +13 1938  9A3EYA F5RRS R-17
120100 +14  305  9A3EYA DF4WC JN49
121100 -22 1281  9A3EYA GD0NFN -03 (x2)
132415 -11 2894  9A3EYA F5LMJ JN28
133015  -1 2820  9A3EYA F5PBG R-11 (x2)
133115 -13 2690  9A3EYA PG0M -20 (x2)
133800  -4 1454  9A3EYA EK1KE -19 (x2)
153930 -16 2128  9A3EYA F4ACR IN96

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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