9A4BL — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Croatia Locator transmitted in a decoded message: JN75

Receiver-side FT8 activity involving 9A4BL, decoded by SO8OO in southeastern Poland. 34 related FT8 messages, 1 CQ messages, observed on 80m, 20m, 10m, across 10 UTC dates. Heard between 2026-05-16 and 2026-08-13.

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

34
Related messages
1
CQ messages
10
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-16
Last seen: 2026-08-13 01:23 UTC

Activity Heatmap

Locator transmitted by 9A4BL

Approximate centre of JN75, decoded 2026-08-22 10:51 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 UTCBand9A4BL S/NCounterpartCounterpart S/NMsgsCapture
08-21 05:04 20m +6 / - KB3DQI - / -19 4 ✓ Closing fragment
08-21 05:00 20m +10 / - KQ4MHD - / -25 4 ✓ Closing fragment
08-21 04:58 20m +6 / - NL8F - / -11 2 Partial capture
08-20 04:09 80m -10 / - KP2B - / - 2 Partial capture
08-20 04:06 80m -4 / - KP1IIA - / - 3 Partial capture
08-20 04:05 80m -4 / - KP2B - / - 2 Partial capture
08-15 19:51 80m -3 / - T77R - / - 3 Partial capture
08-13 21:21 40m -4 / - TN8GD - / -10 4 ✓ Closing fragment
08-13 21:17 80m +4 / - TF4M - / -16 4 ✓ Closing fragment
08-13 03:21 80m +3 / - <...> - / -10 3 Partial capture
08-03 19:26 20m -4 / - XW4KV - / -15 4 ✓ Closing fragment
07-29 19:32 20m - / - YO3GNF 0 / - 2 Partial capture
07-29 19:30 20m -2 / -5 TN8GD -12 / -14 5 ✓ Full exchange observed
07-29 19:28 20m -6 / - DG3DPX - / -4 2 ✓ Closing fragment
07-29 19:26 20m +6 / - SP6FME - / +5 2 ✓ Closing fragment
07-29 19:24 20m +7 / - VP5G - / -10 4 ✓ Closing fragment
07-24 04:41 40m -16 / - ND9M - / -15 3 ✓ Closing fragment
07-23 19:41 40m -16 / - RU3DBT - / - 3 Partial capture
07-18 20:24 20m - / - DK1SH -10 / - 2 Partial capture
07-11 06:11 20m -18 / - OA1F - / -10 3 Partial capture
07-11 06:07 20m -10 / - OA1F - / - 2 Partial capture
07-11 06:05 20m +6 / - R2ZCA - / -6 3 ✓ Closing fragment
07-05 20:48 40m -1 / - UB8AHK - / - 2 Partial capture
07-05 09:38 10m -12 / - DN9SGE -17 / - 4 Partial capture
07-05 09:37 10m -2 / - Z30WWA - / -17 2 Partial capture
07-05 06:18 20m -6 / - RI0SP - / -6 2 ✓ Closing fragment
07-04 05:23 40m -20 / - <...> - / - 3 Partial capture
07-04 05:18 20m +13 / - EB5URT - / - 2 Partial capture
07-04 05:15 20m +10 / - UN0GY - / -14 4 ✓ Closing fragment
07-04 05:12 20m +7 / - EB5URT - / - 2 Partial capture
07-04 05:11 20m +10 / - <...> - / -12 2 Partial capture
06-29 21:50 20m -12 / - AA4SS - / -16 2 ✓ Closing fragment
06-29 21:48 20m -12 / - KC4DPT - / -8 3 ✓ Closing fragment
06-17 19:23 20m 0 / - DJ0MAB - / -7 2 ✓ Closing fragment
06-17 19:21 20m +4 / +4 F4DVX/P -20 / -7 3 ✓ Full exchange observed
06-17 19:18 20m - / - IU5TPM -6 / - 2 Partial capture
06-15 20:37 40m +11 / - R3HH - / 0 3 ✓ Closing fragment
06-14 09:06 10m - / -19 UR4QWW +11 / - 6 ✓ Closing fragment
06-14 09:04 10m - / -9 RA3VMK -16 / - 2 ✓ Closing fragment
06-11 04:17 20m -18 / - RZ1OA - / - 2 Partial capture
06-11 04:07 80m -12 / - HB9EFK 0 / 0 4 ✓ Closing observed
06-10 20:48 40m +6 / - PD0DDA - / 0 2 ✓ Closing fragment
06-10 20:47 40m +5 / - TL8BNW - / - 4 Partial capture
06-02 19:03 20m +10 / -21 VR2VAZ -10 / -13 5 ✓ Full exchange observed
06-02 19:02 20m +4 / - KF5LHM - / -10 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
090545 -18 1957  9A4BL R3CE R-06
090615 +13 1869  9A4BL UR4QWW KN77 (x6)
093745  -2 1002  Z30WWA 9A4BL JN75 (x2)
093830 -19 1325  9A4BL DN9SGE JO42 (x2)
093915 -12 1324  DN9SGE 9A4BL +18
093930 -16 1325  9A4BL DN9SGE R+13
180345 -11 2362  R3KLE 9A4BL JN75
105145 -20 1101  YL2JZ 9A4BL JN75
20m
UTC    dB Audio  Message
193230  +0  718  9A4BL YO3GNF KN34
192615  -3 1837  XW4KV 9A4BL JN75 (x4)
045830  +4 1201  NL8F 9A4BL JN75 (x2)
050045 +12  554  KQ4MHD 9A4BL JN75 (x4)
050415 +11  552  KB3DQI 9A4BL -19 (x4)
80m
UTC    dB Audio  Message
211745  +5 1196  TF4M 9A4BL JN75 (x4)
191245  -5 1433  SV9MBH 9A4BL -14
195115  -2 1862  T77R 9A4BL JN75 (x3)
040515  -6 1864  KP2B 9A4BL JN75 (x2)
040645  -7 1846  KP1IIA 9A4BL JN75 (x3)
040915  -8 1846  KP2B 9A4BL JN75 (x2)
40m
UTC    dB Audio  Message
204845  +0  537  UB8AHK 9A4BL JN75 (x2)
151600 -19 1383  OK4KOP/P 9A4BL R-16
043815 -18 1643  XE2V 9A4BL JN75
043845 -22 1643  KZ7Y 9A4BL JN75
194100 -16 1219  RU3DBT 9A4BL JN75 (x3)
044100 -22 2184  ND9M 9A4BL R-15 (x3)
212145  -1  570  TN8GD 9A4BL JN75 (x4)

Decoder S/N history by band

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