PD4JVB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Netherlands Locator transmitted in a decoded message: JO21

Receiver-side FT8 activity involving PD4JVB, decoded by SO8OO in southeastern Poland. 143 related FT8 messages, 44 CQ messages, observed on 40m, 20m, across 14 UTC dates. Heard between 2026-05-23 and 2026-08-20.

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

143
Related messages
44
CQ messages
14
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-23
Last seen: 2026-08-20 02:29 UTC

Activity Heatmap

Locator transmitted by PD4JVB

Approximate centre of JO21, decoded 2026-08-20 04:37 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 UTCBandPD4JVB S/NCounterpartCounterpart S/NMsgsCapture
08-23 13:43 20m -6 / - OK5AG/P - / -21 2 ✓ Closing fragment
08-20 04:28 20m - / -9 HK3YL -6 / - 2 ✓ Closing fragment
08-20 04:20 40m +2 / - KC1ZQR - / - 2 Partial capture
08-20 04:18 40m +4 / - HB9CXZ -7 / +5 5 ✓ Full exchange observed
08-20 04:11 40m +7 / - N2CG - / -5 2 ✓ Closing fragment
08-20 04:10 40m +8 / - N3FMC - / -18 2 ✓ Closing fragment
08-20 04:10 40m - / -16 9A60CBM -4 / - 2 Partial capture
08-20 04:06 40m - / - IK4LZH +5 / - 4 Partial capture
08-20 04:06 40m +8 / - OJ0JR -5 / -1 4 ✓ Closing observed
08-16 20:47 20m -3 / - EA8AOB - / - 3 Partial capture
08-16 20:43 20m -4 / - J88IH - / - 4 Partial capture
08-16 20:37 20m -2 / - JA8IOG - / -14 2 Partial capture
08-16 20:31 20m -6 / - VK2WW - / -13 2 ✓ Closing fragment
08-16 13:16 20m -12 / - SP3HIF - / -4 2 ✓ Closing fragment
08-16 13:14 20m -8 / -14 4X1YA -16 / -14 4 ✓ Full exchange observed
08-16 13:05 20m - / - TA3NK -10 / - 5 Partial capture
08-16 13:04 20m -8 / - UA3GDJ -5 / -11 5 ✓ Closing observed
07-21 10:07 20m -16 / - F4HSB -24 / -3 3 ✓ Full exchange observed
07-21 10:06 20m - / - IK4LZH +6 / - 4 Partial capture
07-08 10:39 20m - / -11 RU3QR -16 / - 2 Partial capture
07-08 10:35 20m - / - F4HSB -18 / - 2 Partial capture
07-08 10:35 20m - / -11 RU3QR -18 / - 3 Partial capture
07-08 10:28 20m -9 / - KF0YOB - / - 3 Partial capture
07-08 10:21 20m -8 / - OK1ZJK - / +2 3 ✓ Closing fragment
07-05 14:52 20m -13 / +4 IK2TCV -17 / -3 4 Partial capture
06-19 01:07 40m -6 / - K3EY - / - 3 Partial capture
06-19 01:05 40m -8 / - VU2MSA - / - 2 Partial capture
06-19 01:01 40m -7 / - N1NRL - / - 2 Partial capture
06-19 00:59 40m -18 / - IN3IZQ -22 / 0 3 ✓ Closing observed
06-19 00:58 40m -6 / - KB2BK - / -11 2 ✓ Closing fragment
06-19 00:56 40m -9 / - PY2PXY - / -12 3 ✓ Closing fragment
06-19 00:54 40m -6 / - OA4ENG - / - 3 ✓ Closing fragment
06-06 18:31 20m 0 / - YB1SKR - / - 2 Partial capture
06-06 18:29 20m -4 / - W3FIZ - / - 2 Partial capture
06-05 15:28 20m - / - UA9SY -4 / - 4 Partial capture
06-05 15:26 20m - / -13 RM4HX +1 / - 3 ✓ Closing fragment
06-05 12:30 20m - / -15 F1PBZ 0 / - 2 ✓ Closing fragment
06-05 12:29 20m - / -9 SV5BYP +8 / - 2 ✓ Closing fragment
06-04 00:27 20m -2 / - N2DMI - / - 2 Partial capture
06-03 23:59 20m -13 / -19 KC2QJB -9 / -17 7 ✓ Full exchange observed
06-03 23:56 20m -10 / - K4VHE - / -18 2 ✓ Closing fragment
06-03 23:53 20m -10 / - LW2EIY - / -11 2 ✓ Closing fragment
06-03 09:02 20m -3 / -10 S55A +1 / -10 5 ✓ Full exchange observed
06-03 09:01 20m - / - TA3NK -3 / - 17 Partial capture
06-03 08:58 20m -10 / - IS0AFM - / - 4 Partial capture
06-03 08:53 20m -14 / - IS0AFM - / - 2 Partial capture
06-03 08:51 20m -10 / - F1IBU -22 / -5 3 ✓ Closing observed
06-03 08:50 20m -5 / -1 F1IQH -6 / - 2 ✓ Closing observed
06-03 08:48 20m -6 / - TF3IG - / -18 3 ✓ Closing fragment
06-02 21:31 20m -12 / -13 9J2FI -4 / - 7 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
204000  -5  386  YO6PNM PD4JVB JO21
204215  -3  386  PY2IQ PD4JVB JO21
204315  -9  386  HK3W PD4JVB JO21
204345  -2  386  J88IH PD4JVB JO21 (x4)
204730  -1  386  EA8AOB PD4JVB JO21 (x3)
042845  -6 1832  PD4JVB HK3YL -09 (x2)
133915  +2  672  BA3NZ PD4JVB 73
134300  -2 2107  OK5AG/P PD4JVB R-21 (x2)
40m
UTC    dB Audio  Message
041845  -8 2353  PD4JVB HB9CXZ +19
041900  +5  332  HB9CXZ PD4JVB R+05
041915  -6 2353  PD4JVB HB9CXZ RR73
041930  +4  332  HB9CXZ PD4JVB 73
042030  +2  332  KC1ZQR PD4JVB JO21 (x2)
042300  +7  332  CQ PD4JVB JO21 (x3)
042500  +1  332  SP7TF PD4JVB 73
042530  +3  332  CQ PD4JVB JO21 (x3)
043600  -1  493  N8DH PD4JVB JO21
043715  -1  493  KE2CUR PD4JVB JO21

Decoder S/N history by band

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