ON4ASV — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON4ASV, decoded by SO8OO in southeastern Poland. 370 related FT8 messages, 5 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 35 UTC dates. Heard between 2026-05-26 and 2026-08-23.
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
370
Related messages
5
CQ messages
35
UTC dates heard
-9 dB
Mean decoder S/N
Frequent QSO partners observed at SO8OO
Stations ON4ASV worked most often, as logged from our receiver:
R2EA/P
· European Russia ×4
UB3ADO/P
· European Russia ×3
R4PHH
· European Russia ×2
RK4FH
· European Russia ×2
R4HLO
· European Russia ×2
DA0LH
· Fed. Rep. of Germany ×2
RD4AAK
· European Russia ×2
DL9KM
· Fed. Rep. of Germany ×2
BA4II
· China ×2
RI0SP
· European Russia ×2
PD0HLA
· Netherlands ×2
ON5RZ
· Belgium ×2
Activity Heatmap
Locator transmitted by ON4ASV
Approximate centre of JO11, decoded 2026-08-23 16:52 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 UTC | Band | ON4ASV S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 16:48 | 40m | +6 / -2 | EN100WQ | -10 / -8 | 3 | Partial capture |
| 08-23 16:47 | 40m | +9 / - | R4FES | -13 / -13 | 3 | ✓ Closing observed |
| 08-23 16:44 | 40m | +9 / -14 | R8FH | -9 / -8 | 7 | ✓ Full exchange observed |
| 08-23 16:41 | 40m | +4 / -11 | R4CR | -12 / -10 | 7 | ✓ Full exchange observed |
| 08-23 16:38 | 40m | +3 / - | R4CR | - / - | 3 | Partial capture |
| 08-23 16:36 | 40m | +6 / - | RA9UES | - / -15 | 2 | ✓ Closing fragment |
| 08-23 16:34 | 40m | +2 / - | R1530IG | - / -7 | 2 | Partial capture |
| 08-23 16:32 | 40m | +2 / -12 | UA3VVA | -10 / -14 | 6 | ✓ Full exchange observed |
| 08-22 15:05 | 20m | +1 / - | R9YCB | - / -20 | 3 | ✓ Closing fragment |
| 08-22 15:04 | 20m | -2 / - | YC1FEY | - / -15 | 2 | ✓ Closing fragment |
| 08-22 15:02 | 20m | -2 / - | R9JT | - / -20 | 3 | ✓ Closing fragment |
| 08-22 15:01 | 20m | +10 / - | UB0SMX/P | - / - | 2 | Partial capture |
| 08-22 14:59 | 20m | +7 / - | R2ET/9 | - / +3 | 2 | Partial capture |
| 08-22 14:57 | 20m | +5 / - | DL1ARK/P | - / -9 | 2 | Partial capture |
| 08-22 14:55 | 20m | +8 / - | R8UB | - / -5 | 2 | Partial capture |
| 08-22 14:52 | 20m | +15 / - | UB0SMX/P | - / - | 4 | Partial capture |
| 08-21 17:47 | 20m | -3 / - | RV6HEG | - / -14 | 3 | ✓ Closing fragment |
| 08-21 17:42 | 20m | +1 / - | BA4II | - / -12 | 4 | ✓ Closing fragment |
| 08-21 17:38 | 20m | +9 / - | UB8QBY | - / -18 | 6 | ✓ Closing fragment |
| 08-21 17:36 | 20m | +3 / - | <...> | - / +1 | 3 | Partial capture |
| 08-21 17:34 | 20m | +9 / - | UB8QBY | - / - | 3 | Partial capture |
| 08-21 17:31 | 20m | +17 / - | R1MC | - / -16 | 3 | ✓ Closing fragment |
| 08-21 17:30 | 20m | +16 / - | DS2MGT | - / -13 | 2 | ✓ Closing fragment |
| 08-21 17:29 | 20m | +12 / - | R4FBT | - / -12 | 2 | ✓ Closing fragment |
| 08-21 17:27 | 20m | +9 / - | R4FBJ | - / -9 | 3 | ✓ Closing fragment |
| 08-21 16:44 | 40m | +3 / - | DA1EA | +4 / +3 | 5 | ✓ Full exchange observed |
| 08-21 16:42 | 40m | +1 / - | RA4L | -11 / -21 | 4 | ✓ Closing observed |
| 08-21 16:41 | 40m | +3 / -4 | UB6LWX | -10 / -19 | 5 | ✓ Full exchange observed |
| 08-21 16:39 | 40m | 0 / -3 | UA3GDJ | 0 / -3 | 5 | ✓ Full exchange observed |
| 08-21 16:38 | 40m | +1 / - | R4CES | -12 / -12 | 4 | ✓ Closing observed |
| 08-21 16:35 | 40m | 0 / - | YD7HAS | - / -20 | 4 | ✓ Closing fragment |
| 08-21 16:33 | 40m | +8 / - | F1DSZ | - / -2 | 2 | ✓ Closing fragment |
| 08-21 16:33 | 40m | 0 / -9 | R6DZD | -12 / -12 | 5 | ✓ Full exchange observed |
| 08-21 16:31 | 40m | +1 / - | RK3AW | -19 / -18 | 4 | ✓ Closing observed |
| 08-21 16:30 | 40m | +2 / - | F5MXH | -17 / -2 | 3 | ✓ Closing observed |
| 08-21 16:29 | 40m | +1 / - | RA9LL | - / -22 | 3 | ✓ Closing fragment |
| 08-21 16:27 | 40m | -3 / - | RA3SO | -17 / -9 | 4 | ✓ Closing observed |
| 08-21 16:26 | 40m | +8 / - | M0SCK | - / -12 | 2 | Partial capture |
| 08-21 16:25 | 40m | +5 / -3 | UA3SCF | -6 / -5 | 5 | ✓ Full exchange observed |
| 08-21 16:23 | 40m | +10 / - | R9DT | - / -12 | 3 | ✓ Closing fragment |
| 08-21 16:21 | 40m | -1 / -1 | R3PY | -8 / -14 | 5 | ✓ Full exchange observed |
| 08-21 16:20 | 40m | 0 / - | PD3JW | - / -3 | 2 | ✓ Closing fragment |
| 08-21 16:19 | 40m | -1 / -13 | RA6MQ | -8 / - | 3 | ✓ Closing observed |
| 08-21 16:17 | 40m | -2 / - | R3KMI | -23 / -16 | 4 | ✓ Closing observed |
| 08-21 16:15 | 40m | 0 / -9 | UB6OCP | -11 / -9 | 4 | ✓ Full exchange observed |
| 08-21 16:14 | 40m | 0 / - | RZ6AKF | - / - | 3 | Partial capture |
| 08-19 13:53 | 20m | +3 / - | BA4QFQ | - / -18 | 2 | ✓ Closing fragment |
| 08-18 19:54 | 40m | -3 / +4 | SN1A | -20 / +1 | 5 | ✓ Full exchange observed |
| 08-18 19:52 | 40m | +9 / - | RV9CD | - / -13 | 4 | ✓ Closing fragment |
| 08-18 19:51 | 40m | +8 / - | BD7OH | - / -15 | 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 164445 -10 625 ON4ASV R8FH -14 164445 -13 1843 ON4ASV R4CR -11 164500 +10 625 R8FH ON4ASV R-08 164515 -9 625 ON4ASV R8FH RR73 164530 +5 625 R8FH ON4ASV R-08 (x2) 164700 -7 625 ON4ASV R8FH -09 164700 -1 1843 CQ ON4ASV JO11 164715 -13 337 ON4ASV R4FES LO23 164730 +9 338 R4FES ON4ASV -13 (x2) 164830 +5 2272 EN100WQ ON4ASV JO11 164845 -10 2273 ON4ASV EN100WQ -02 164900 +6 2272 EN100WQ ON4ASV R-08 165200 +10 905 R3WDW ON4ASV JO11
20m
UTC dB Audio Message 145715 +9 2573 R9HW/M ON4ASV JO11 145745 +5 2467 DL1ARK/P ON4ASV R-09 (x2) 145945 +7 2431 R2ET/9 ON4ASV JO11 (x2) 150115 +14 409 UB0SMX/P ON4ASV JO11 (x2) 150230 +0 1076 R9JT ON4ASV JO11 (x3) 150400 -4 1562 YC1FEY ON4ASV R-15 (x2) 150500 +1 1214 R9YCB ON4ASV JO11 (x3)
80m
UTC dB Audio Message 205715 +12 834 DK0RA/LH ON4ASV JO11 (x12) 210715 +7 1703 RW3YS ON4ASV JO11 210730 -5 1703 ON4ASV RW3YS -08 210815 +6 1703 RW3YS ON4ASV 73
60m
UTC dB Audio Message 192145 -5 1875 IK4CBO ON4ASV -02 (x2) 192230 -18 1876 ON4ASV IK4CBO R+12 192245 -10 1876 IK4CBO ON4ASV RR73 192300 -19 1876 ON4ASV IK4CBO 73 192830 +6 775 CT7AUT ON4ASV -02 (x2) 192915 -12 775 ON4ASV CT7AUT 73 204800 +2 2029 DB6LL ON4ASV JO11 204815 -12 2029 ON4ASV DB6LL +17 204830 +0 2029 DB6LL ON4ASV R+00 204845 -12 2029 ON4ASV DB6LL RR73 204900 -2 2029 DB6LL ON4ASV 73 204930 -4 1926 OS4K ON4ASV R-03 (x2)
10m
UTC dB Audio Message 152645 -11 1577 EG5ECL ON4ASV JO11 (x3) 153015 -15 1578 DO9BAU ON4ASV +03 (x2) 153330 -14 1578 <...> ON4ASV JO11 (x4) 153745 -1 1578 R1BPZ ON4ASV JO11 114645 -14 1577 9A4BP/P ON4ASV JO11 (x3) 114845 -1 1577 9A2HX/P ON4ASV -01 (x2)
160m
UTC dB Audio Message 194930 -15 2446 ON4ASV DH1TS +02 (x3) 200500 -5 495 ON4ASV DD0AM -12 (x2) 200545 -9 497 DD0AM ON4ASV 73 200845 -19 1143 SQ2IHP ON4ASV JO11 200900 +13 1142 ON4ASV SQ2IHP -18 200915 -17 1142 SQ2IHP ON4ASV R-13 200930 +18 1142 ON4ASV SQ2IHP RR73 201645 -19 1696 IK2DUW ON4ASV JO11 201700 -20 1695 ON4ASV IK2DUW -18 201715 -17 1696 IK2DUW ON4ASV R-24 201730 -18 1696 ON4ASV IK2DUW RR73 201745 -19 1696 IK2DUW ON4ASV 73
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.