KV3R — 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: United States Most frequent locator attributed to this token: FM08

Receiver-side FT8 activity involving KV3R, decoded by SO8OO in southeastern Poland. 1,114 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 42 UTC dates in the available aggregate history. Observed between 2026-06-13 and 2026-10-20.

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 1,114 FT8 messages attributed to KV3R as the transmitting token by decoded message structure across 42 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (44%), followed by 20 m (33%) and 80 m (23%). Several six-hour UTC windows tied for the largest share (99%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

1,114
Messages attributed
42
UTC dates decoded
161
Active 15-min windows
-12 dB
Estimated median S/N

Bands

First attributed message: 2026-06-13
Last attributed message: 2026-10-20 03:39 UTC

Observed FT8 message patterns

Attributed sample
1,114 messages
Active dates
42 UTC dates
Estimated median S/N
-12 dB
Estimated 10th-90th percentile
-20 to -6 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 284, moderate (-15 to -9 dB) 567, strong (≥ -8 dB) 263.

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 KV3R

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
FM08 · 520 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
7,510 km (approx.)
Last such locator decoded
2026-10-20 03:38 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 UTCBandKV3R S/NCounterpartCounterpart S/NMsgsCapture
10-20 03:40 40m - / - F6FHZ -21 / - 3 Partial capture
10-20 03:38 40m -10 / - US6CQ - / -4 3 ✓ Closing fragment
10-20 03:31 40m -9 / - PD0DDA -10 / -7 16 Partial capture
10-20 03:25 40m -16 / +2 ON8BZ -7 / - 7 ✓ Closing observed
10-20 03:23 40m -16 / - RW6MMU -20 / -25 4 Partial capture
10-20 03:21 40m - / - F4BJN -14 / - 2 Partial capture
10-20 03:19 40m -14 / -5 UA3GIE +4 / 0 4 ✓ Full exchange observed
10-20 03:13 40m -14 / -7 LA7DMA -10 / -21 11 ✓ Full exchange observed
10-20 01:34 40m -18 / - N1EN -15 / - 2 ✓ Closing observed
10-20 01:28 40m -18 / - YO3CBZ - / -16 2 Partial capture
10-20 01:25 40m -19 / - 9A2WA - / -19 5 Partial capture
10-20 01:20 40m -19 / - EA8DGI -17 / -12 4 ✓ Closing observed
10-20 01:20 40m -17 / - 9A2WA - / -24 2 Partial capture
10-20 01:18 40m -16 / - W9ZPL - / - 2 ✓ Closing fragment
10-20 01:16 40m -18 / -2 CT7BRV -10 / - 4 ✓ Closing observed
10-20 01:14 40m -15 / - M9DNC -7 / - 2 ✓ Closing observed
10-19 02:11 40m -12 / - IZ8EYN - / -18 2 ✓ Closing fragment
10-19 02:06 40m -14 / +10 ON8WR -1 / -12 9 ✓ Full exchange observed
10-19 01:36 40m -14 / - ON8WR - / - 3 Partial capture
10-19 01:33 40m -18 / +2 LZ2IP -6 / -13 6 ✓ Full exchange observed
10-19 01:30 40m -18 / - UA4FKT +2 / -19 5 Partial capture
10-19 01:28 40m -15 / - LZ2IP - / -11 3 Partial capture
10-19 01:27 40m -18 / - KR4OQV - / -18 2 Partial capture
10-19 01:24 40m - / - R2AL -7 / - 3 Partial capture
10-18 14:43 10m - / -9 7Z1FF -10 / - 2 Partial capture
10-18 02:23 40m -12 / - R9CS/P - / 0 2 Partial capture
10-18 02:17 40m -13 / - IU5LQC - / -6 4 ✓ Closing fragment
10-16 04:25 80m - / - IV3HAX +1 / - 2 Partial capture
10-16 04:22 80m - / -9 GU4WRP -9 / - 2 Partial capture
10-14 02:23 80m - / -15 EC3A -4 / - 2 Partial capture
10-14 02:02 40m - / -9 F5NNN -2 / - 4 ✓ Closing fragment
10-12 02:37 40m - / - SV1EKI +6 / - 6 Partial capture
10-12 02:34 40m - / +2 SV5BYP -2 / - 2 ✓ Closing fragment
10-08 02:43 40m -21 / - IU5SCG - / - 3 Partial capture
10-08 02:39 40m -21 / - 9A7W -12 / - 2 ✓ Closing observed
10-08 02:09 40m - / -4 MW0USK +4 / - 2 ✓ Closing fragment
10-07 02:51 40m - / -12 YO3KWJ +2 / - 2 ✓ Closing fragment
10-06 03:39 40m - / -7 DF1KBN -16 / - 2 Partial capture
10-06 03:38 40m - / - HB9IRO -14 / - 2 Partial capture
10-06 03:16 80m - / - DL4DP -11 / - 2 Partial capture
10-06 03:13 80m -15 / -25 ER3ZW -5 / - 8 ✓ Closing observed
10-06 03:07 80m -16 / - PF7DKW - / - 3 Partial capture
10-06 02:45 80m -21 / -14 RA6ABC -5 / -10 4 ✓ Full exchange observed
10-06 02:42 80m - / - RA6ABC -2 / - 2 Partial capture
10-06 02:41 80m - / - UA4FKT +6 / - 2 Partial capture
10-06 02:40 80m -24 / - KQ4CRY - / 0 2 ✓ Closing fragment
10-06 02:39 80m -16 / -17 S51TN +10 / -19 12 ✓ Full exchange observed
10-06 02:34 80m - / - PA3FPQ +11 / - 3 Partial capture
10-06 02:32 80m -19 / - 4X5MZ - / - 3 ✓ Closing fragment
10-06 02:28 80m - / - SM5DIC -2 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
033415  -7 2044  KV3R PD0DDA JO22
033430  -7 2044  PD0DDA KV3R -12
033445  -8 2044  KV3R PD0DDA JO22
033500  -8 2044  PD0DDA KV3R -13
033515  -7 2044  KV3R PD0DDA JO22
033530  -8 2044  PD0DDA KV3R +00 (x4)
033800 -10 2044  US6CQ KV3R FM08 (x3)
034015 -18 2044  KV3R F6FHZ JN18 (x3)
10m
UTC    dB Audio  Message
134400 -22 2095  EA1AJT KV3R RR73
144315 -10  559  KV3R 7Z1FF -09 (x3)
152530 -12 2495  KV3R CR7BUW IM58
80m
UTC    dB Audio  Message
031545 -12 2008  ER3ZW KV3R 73
031600  -6 2005  KV3R ER3ZW RRR
031600  -8 1595  KV3R DL4DP JO31
031630 -11 2005  KV3R ER3ZW RR73
031630 -14 1595  KV3R DL4DP JO31
031745 -18 2009  ER3ZW KV3R 73
015800 -22 2007  VP2MAW KV3R FM08
022300  -7 1223  KV3R EC3A -15 (x2)
042200  -9 1881  KV3R GU4WRP -09 (x2)
042500  -2 1628  KV3R ON8DM 73
042500  +0 2127  KV3R IV3HAX JN66
042500  -6 2085  KV3R F4EGM JN29
042530  +2 2127  KV3R IV3HAX JN66
60m
UTC    dB Audio  Message
022245 -22 1598  KV3R OH2ZZ -16
20m
UTC    dB Audio  Message
005345 -19 1132  R5AJ KV3R 73
015545 -16 1133  RN1ON KV3R 73
015745 -18 1133  VE1ZZ KV3R FM08
015945 -19 1133  K4OP KV3R R-04
020345 -16 1133  CO8LY KV3R R+00 (x2)
021215  +6 1135  9A4AA KV3R FM08 (x3)
015315 -18 1136  IV3FSG KV3R FM08
012500 -13 1134  YV4HDL KV3R FM08 (x3)
012815 -15 1134  7Z1BQ KV3R FM08 (x2)

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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