I2SVA — 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: Italy Most frequent locator attributed to this token: JN45

Receiver-side FT8 activity involving I2SVA, decoded by SO8OO in southeastern Poland. 331 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, across 10 UTC dates in the available aggregate history. Observed between 2026-08-29 and 2026-11-02.

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 331 FT8 messages attributed to I2SVA as the transmitting token by decoded message structure across 10 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (49%), followed by 60 m (22%) and 40 m (16%). Most decodes (53%) fell within the six-hour window 04:00-10:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (85%); the estimated median was +1 dB.

Overview

331
Messages attributed
10
UTC dates decoded
39
Active 15-min windows
+1 dB
Estimated median S/N

Bands

80m · 163 60m · 74 40m · 53 20m · 41
First attributed message: 2026-08-29
Last attributed message: 2026-11-02 18:13 UTC

Observed FT8 message patterns

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

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 8, moderate (-15 to -9 dB) 40, strong (≥ -8 dB) 283.

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 I2SVA 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 I2SVA

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
JN45 · 205 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,075 km (approx.)
Last such locator decoded
2026-11-02 18:00 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 UTCBandI2SVA S/NCounterpartCounterpart S/NMsgsCapture
11-02 18:11 80m -7 / - OD5ZZ - / -18 5 Partial capture
11-02 17:59 80m 0 / - OD5ZZ - / - 2 Partial capture
11-02 17:44 80m -5 / - OD5ZZ - / - 9 Partial capture
11-01 19:31 40m -20 / - VJ6X - / - 2 Partial capture
11-01 19:25 40m -16 / - 4S7AB -13 / - 8 ✓ Closing observed
11-01 17:12 40m -12 / - RV9CX - / -15 2 Partial capture
11-01 17:05 40m 0 / - RV9CX - / - 4 Partial capture
11-01 17:00 40m +2 / - UB9CBF - / -14 3 ✓ Closing fragment
11-01 16:55 40m 0 / - VJ6X - / - 8 Partial capture
11-01 16:52 40m +2 / - 5R8IC - / -14 4 ✓ Closing fragment
11-01 06:23 40m +8 / - TA4/DD1WT - / - 2 Partial capture
11-01 05:57 80m -1 / -3 MI0NWA -6 / -7 5 ✓ Full exchange observed
11-01 05:57 80m +7 / - DL9KM -8 / -9 5 ✓ Closing observed
11-01 05:56 80m +5 / - K4YT - / -13 3 ✓ Closing fragment
11-01 05:52 80m +5 / +10 F4NJU -18 / -5 4 ✓ Full exchange observed
11-01 05:49 80m +4 / - OS4K - / -13 2 Partial capture
11-01 05:47 80m +6 / - F5MXH +1 / -4 5 ✓ Full exchange observed
11-01 05:45 80m +1 / - AA4DD - / -14 3 ✓ Closing fragment
11-01 05:42 80m +10 / - K8OCN - / -19 4 ✓ Closing fragment
11-01 05:38 80m +5 / - ON4MAP - / -13 2 Partial capture
11-01 05:36 80m - / - ON4MAP -14 / - 2 Partial capture
11-01 05:33 80m +12 / - F5OYA/P - / -2 2 ✓ Closing fragment
11-01 05:31 80m +7 / - AA7A - / -16 3 ✓ Closing fragment
11-01 05:30 80m - / - F5OYA/P -12 / - 2 Partial capture
11-01 05:28 80m +16 / -6 DL8TV +12 / -12 4 ✓ Full exchange observed
11-01 05:28 80m - / - F4NPE -21 / - 3 Partial capture
11-01 05:26 80m - / - DL8TV +11 / - 2 Partial capture
11-01 05:25 80m +10 / -2 EA5D -8 / -2 7 ✓ Full exchange observed
11-01 05:23 80m +10 / -3 DK6ITM +10 / -10 4 ✓ Full exchange observed
11-01 05:23 80m +5 / 0 SQ9EJ -4 / -8 7 ✓ Full exchange observed
11-01 05:20 80m +6 / - DO8JB - / +3 2 Partial capture
11-01 05:17 80m +6 / - TI4LAS - / -22 5 ✓ Closing fragment
11-01 05:16 80m - / - SP2SGZ -9 / - 3 Partial capture
11-01 05:14 80m - / - ON8WR -8 / - 3 Partial capture
11-01 05:11 80m +7 / - ON1JP - / -9 2 ✓ Closing fragment
11-01 05:11 80m - / -5 DO1ID -3 / - 2 Partial capture
11-01 05:11 80m +9 / -12 IK4TVP -6 / -9 8 ✓ Full exchange observed
11-01 05:10 80m +6 / - PY2WC - / -11 2 ✓ Closing fragment
11-01 05:10 60m - / - PE1NMM -10 / - 2 Partial capture
11-01 05:09 80m +10 / - EA7Y - / -13 2 ✓ Closing fragment
11-01 05:08 80m - / -10 DO1ID -4 / - 2 Partial capture
11-01 05:08 80m - / - OM6APJ -4 / - 2 Partial capture
10-31 19:22 60m -9 / - <...> - / -13 8 Partial capture
10-31 06:10 40m 0 / - EA4HTI - / -11 2 ✓ Closing fragment
10-31 06:08 40m 0 / -9 YO6LM +2 / -2 6 ✓ Full exchange observed
10-31 06:06 40m +2 / - W3GWM - / -9 5 ✓ Closing fragment
10-31 06:03 40m +4 / - K3RH - / -7 2 ✓ Closing fragment
10-31 06:01 40m +6 / - OA4ENG - / -19 3 ✓ Closing fragment
10-31 05:58 40m -2 / - N9KT - / -19 4 ✓ Closing fragment
10-31 05:32 80m +3 / - EA8SG - / -15 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
174430  -5  407  OD5ZZ I2SVA JN45 (x15)
40m 
UTC    dB Audio  Message
170645  +0 1276  RV9CX I2SVA JN45 (x4)
192500 -15 1894  4S7AB I2SVA JN45 (x7)
192945 -17 1894  I2SVA I7YTD JN81
192945 -13  826  I2SVA 4S7AB RR73
193115 -17 1894  VJ6X I2SVA JN45 (x2)
60m 
UTC    dB Audio  Message
192115  +0 2112  TA4SSK I2SVA JN45 (x4)
192245 -11  804  <...> I2SVA JN45 (x2)
192345  -3  804  <6W/IK2HKT> I2SVA JN45
192415 -10  804  <...> I2SVA JN45 (x6)
051000  -8  895  I2SVA PE1NMM JO32 (x2)
20m 
UTC    dB Audio  Message
095545  +8  550  CQ I2SVA JN45
095600  -8  550  I2SVA PD1HPB JO22 (x3)
095800 -16 1820  I2SVA ON7DE JO20 (x2)
095845  +2  550  CQ I2SVA JN45
095900 -22 1820  I2SVA ON7DE JO20
095915  +2  550  CQ I2SVA JN45
095945  -2  550  RA0AN I2SVA R-08 (x2)
100645  +1  550  CQ I2SVA JN45
100700  +0  974  I2SVA DL1UDO JO31
100715  +1  550  UT7UJ I2SVA R-01 (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

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee