F4CVT — 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: France Most frequent locator attributed to this token: JO00

Receiver-side FT8 activity involving F4CVT, decoded by SO8OO in southeastern Poland. 207 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 23 UTC dates in the available aggregate history. Observed between 2026-08-08 and 2026-10-16.

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 207 FT8 messages attributed to F4CVT as the transmitting token by decoded message structure across 23 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (49%), followed by 40 m (30%) and 80 m (10%). Most decodes (52%) fell within the six-hour window 02:00-08:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10 dB.

Overview

207
Messages attributed
23
UTC dates decoded
55
Active 15-min windows
-10 dB
Estimated median S/N

Bands

80m · 21 60m · 17 40m · 62 20m · 102 10m · 5
First attributed message: 2026-08-08
Last attributed message: 2026-10-16 03:30 UTC

Observed FT8 message patterns

Attributed sample
207 messages
Active dates
23 UTC dates
Estimated median S/N
-10 dB
Estimated 10th-90th percentile
-19 to +1 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 50, moderate (-15 to -9 dB) 78, strong (≥ -8 dB) 79.

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.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with F4CVT in decoded directed-looking exchanges:

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 F4CVT

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
JO00 · 144 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,476 km (approx.)
Last such locator decoded
2026-10-16 03:30 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 UTCBandF4CVT S/NCounterpartCounterpart S/NMsgsCapture
10-16 03:31 80m - / -13 HA3TBL +9 / - 2 ✓ Closing fragment
10-16 02:42 40m -10 / - VE2LBI - / - 4 Partial capture
10-11 16:09 40m - / -6 G4HUE -13 / - 3 ✓ Closing fragment
10-11 06:11 40m - / -14 Z62NS -4 / - 4 ✓ Closing fragment
10-08 05:20 40m -17 / - ND9M - / - 5 Partial capture
10-08 05:12 40m -18 / - YT3MD - / - 2 ✓ Closing fragment
10-08 05:02 40m -14 / - TA2VUZ - / - 2 ✓ Closing fragment
10-06 03:55 40m - / - EA5FD -3 / - 3 ✓ Closing fragment
10-05 10:34 40m - / - HG8LXL -6 / - 4 Partial capture
10-05 10:05 40m - / - OE8PIT -10 / - 2 ✓ Closing fragment
10-03 07:55 40m - / - 9A1CCB 0 / - 5 Partial capture
10-01 13:11 40m - / -1 PA8DC -14 / - 2 Partial capture
09-30 13:48 40m - / -16 SP7AAO +16 / - 3 ✓ Closing fragment
09-24 15:46 40m - / - HA7TM +13 / - 3 Partial capture
09-10 19:20 60m - / - IK0BAL -7 / - 3 Partial capture
09-10 19:14 60m - / -6 OV5SP -17 / - 3 ✓ Closing fragment
09-07 23:57 40m -18 / - ER3PM - / - 2 Partial capture
09-07 23:50 40m -12 / - RA3UAG - / -6 2 ✓ Closing fragment
09-07 23:50 40m -12 / - IU8RFW -22 / -6 7 Partial capture
09-07 23:49 40m -4 / - 9A3AUH - / +9 2 ✓ Closing fragment
09-07 12:09 40m - / 0 SP3DVO -12 / - 4 ✓ Closing fragment
09-07 01:39 60m -21 / -1 SN40KZE -14 / - 2 Partial capture
09-07 01:35 80m - / -11 ON4MAP -9 / - 3 ✓ Closing fragment
09-07 01:32 80m - / -20 DO9BAU +11 / - 17 Partial capture
09-07 01:23 80m -16 / -19 DA6OOM -13 / -19 4 ✓ Full exchange observed
09-07 01:19 80m - / -18 F5RMK -2 / - 2 ✓ Closing fragment
09-05 07:26 40m - / -16 HA7TM -9 / - 8 ✓ Closing fragment
09-05 07:22 60m - / -7 F1IQH -16 / - 2 Partial capture
09-03 21:30 40m -4 / - EA4D - / +5 2 ✓ Closing fragment
09-03 21:28 40m -5 / - UG0B - / - 3 Partial capture
09-03 21:28 40m - / - UD6AWH -8 / - 3 Partial capture
09-03 21:26 40m -1 / - EA8BIA - / -16 2 ✓ Closing fragment
09-03 21:23 40m -8 / - EX7CQ -7 / -12 5 ✓ Closing observed
09-02 04:21 60m - / -14 LY90KRS +8 / - 2 Partial capture
09-02 04:14 60m - / - F4GAJ -14 / - 2 Partial capture
09-02 04:14 60m - / -15 IW8PQ -19 / - 3 Partial capture
09-02 04:08 60m - / -25 ER3UA -5 / - 3 ✓ Closing fragment
09-02 04:05 60m - / -13 EA1IOK -3 / - 3 ✓ Closing fragment
09-01 03:45 40m -10 / - 4Z5PT - / - 2 Partial capture
08-31 18:48 60m - / -14 EW2RA +2 / - 4 Partial capture
08-31 18:48 60m - / - EB3JT -4 / - 2 Partial capture
08-31 18:41 20m -4 / - K8IJ - / - 2 Partial capture
08-31 18:37 20m -2 / - JA0LFV - / - 2 Partial capture
08-31 18:21 40m - / -16 EU4U +10 / - 3 ✓ Closing fragment
08-31 18:13 60m - / 0 DK4RH -14 / - 3 ✓ Closing fragment
08-31 18:11 60m - / -9 IK4CBO -10 / - 4 ✓ Closing fragment
08-31 18:10 60m - / -4 DK7UY -3 / - 3 ✓ Closing fragment
08-31 08:20 20m +1 / -14 S52D +14 / -16 7 ✓ Full exchange observed
08-31 08:14 20m -2 / 0 F5IXN +4 / - 3 ✓ Closing observed
08-31 08:13 20m - / -4 F5OYA/P -8 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

60m 
UTC    dB Audio  Message
013930 -14 1932  F4CVT SN40KZE -01
233800 -19 2186  CQ F4CVT JO00 (x2)
233930  -5 1233  K2JRT F4CVT JO00
234245 -13  832  LA1HW F4CVT R-05
191445 -18 1919  F4CVT OV5SP JO46 (x3)
192015  -6 1440  F4CVT IK0BAL JN66 (x2)
192100  +2  509  F4CVT SM7/DL5BTE -05
192115  -8 1440  F4CVT IK0BAL JN66 (x2)
164045 -24 1891  DR800WE F4CVT JO00
033715  -9 1026  F4CVT 4X5MZ -15
80m 
UTC    dB Audio  Message
013600 +13 2402  F4CVT DO9BAU R-20
013630 -10 1502  F4CVT ON4MAP 73
013630 +14 2402  F4CVT DO9BAU R-20 (x9)
060430  +0  901  F4CVT DL8WEM JN48
033000 -12 2572  YO6LM F4CVT JO00
033145 +11 2010  F4CVT HA3TBL -13 (x2)
40m 
UTC    dB Audio  Message
052030 -17 2335  ND9M F4CVT JO00 (x4)
061145  -5 1163  F4CVT Z62NS -14 (x4)
160930 -13 2357  F4CVT G4HUE IO92 (x3)
024200  -3 2432  VE2LBI F4CVT JO00 (x4)
20m 
UTC    dB Audio  Message
082100  +4  633  S52D F4CVT -16
082115 +10  643  F4CVT S52D R-14
082130  +0  633  S52D F4CVT -16
082145 +16  643  F4CVT S52D R-14
082200  +0  633  S52D F4CVT RR73
082215 +15  643  F4CVT S52D 73
082230  +1  633  CQ F4CVT JO00 (x4)
183715  -4  416  JA0LFV F4CVT JO00 (x2)
184015 -11 1214  EX7DY F4CVT JO00
184145  -5  774  K8IJ F4CVT JO00 (x2)
10m 
UTC    dB Audio  Message
092815  -8  978  F4CVT SV1CQN RR73 (x2)
114230 -15  828  F4CVT IT9VCE +02 (x4)
175600 -14 2440  LU3EMN F4CVT JO00
130515 -16 2488  F4CVT F1PBZ -13 (x2)
135815  -1  704  F4CVT DF7EE JO40 (x4)
153445 -21 1390  PP5HR F4CVT JO00
154000 -21 1390  F4CVT F5LVR R-08

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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