CU3EM — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving CU3EM, decoded by SO8OO in southeastern Poland. 168 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, across 9 UTC dates in the available aggregate history. Observed between 2026-07-28 and 2026-10-23.
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 168 FT8 messages attributed to CU3EM as the transmitting token by decoded message structure across 9 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (52%), followed by 80 m (36%) and 60 m (13%). Several six-hour UTC windows tied for the largest share (63%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -13 dB.
Overview
Bands
Last attributed message: 2026-10-23 04:57 UTC
Observed FT8 message patterns
- Attributed sample
- 168 messages
- Active dates
- 9 UTC dates
- Estimated median S/N
- -13 dB
- Estimated 10th-90th percentile
- -22 to -6 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 66, moderate (-15 to -9 dB) 71, strong (≥ -8 dB) 31.
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 CU3EM 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 CU3EM
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
- HM68 · 81 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 4,011 km (approx.)
- Last such locator decoded
- 2026-10-23 04:57 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 UTC | Band | CU3EM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-23 04:57 | 80m | -16 / -11 | DO3JP | -19 / -24 | 3 | Partial capture |
| 10-23 04:56 | 80m | - / - | DO1FZL | -10 / - | 2 | Partial capture |
| 10-23 04:52 | 80m | - / - | DO1TLP | -1 / - | 4 | Partial capture |
| 10-23 04:52 | 80m | - / - | SM7MDI | -20 / - | 3 | Partial capture |
| 10-23 04:47 | 40m | - / - | R6DZR | -13 / - | 2 | Partial capture |
| 10-23 04:43 | 40m | -14 / - | K1JAK | - / -14 | 3 | ✓ Closing fragment |
| 10-23 04:39 | 40m | -14 / - | V47NT | - / - | 6 | Partial capture |
| 10-23 04:29 | 40m | -11 / - | V47NT | - / - | 13 | Partial capture |
| 10-23 04:19 | 40m | -7 / - | OE5GQQ | - / -8 | 2 | ✓ Closing fragment |
| 10-23 04:17 | 40m | -8 / - | R7CA/6 | - / - | 2 | Partial capture |
| 10-23 04:15 | 40m | -10 / - | DD6DR | - / -17 | 2 | ✓ Closing fragment |
| 10-23 04:12 | 40m | -9 / - | TJ1GD | - / -24 | 5 | ✓ Closing fragment |
| 10-23 04:04 | 40m | -10 / - | V47NT | - / - | 12 | Partial capture |
| 10-19 21:39 | 60m | - / - | DK7GH | -17 / - | 8 | Partial capture |
| 10-19 21:33 | 60m | - / - | M1FCV | -10 / - | 2 | ✓ Closing fragment |
| 10-19 21:32 | 60m | - / -14 | S57MPU | -5 / - | 3 | ✓ Closing fragment |
| 10-19 21:30 | 60m | - / +1 | DL2YMG | -7 / - | 3 | ✓ Closing fragment |
| 10-19 21:28 | 60m | - / -18 | S57MPU | -6 / - | 3 | ✓ Closing fragment |
| 10-19 21:18 | 60m | -19 / -11 | DL6ZXG | +9 / - | 7 | ✓ Closing observed |
| 10-19 21:18 | 60m | -23 / -7 | S56P | +2 / -15 | 5 | Partial capture |
| 10-19 21:17 | 60m | - / -12 | SP5EXA | -13 / - | 3 | ✓ Closing fragment |
| 10-19 21:12 | 60m | - / -17 | OE5GQQ | -8 / - | 5 | ✓ Closing fragment |
| 10-19 21:11 | 60m | - / -14 | SP3JHZ | -7 / - | 3 | ✓ Closing fragment |
| 10-19 21:11 | 60m | - / - | SP6IYR | -4 / - | 2 | Partial capture |
| 10-19 21:09 | 60m | -23 / -14 | 9K2GR | -4 / -7 | 3 | ✓ Full exchange observed |
| 10-19 21:05 | 60m | - / -7 | F6FHZ | -21 / - | 3 | ✓ Closing fragment |
| 10-19 21:05 | 60m | - / - | DL6ZXG | +12 / - | 10 | Partial capture |
| 10-19 21:03 | 60m | -22 / - | EB5AFK | -9 / +9 | 3 | ✓ Closing observed |
| 10-19 21:03 | 60m | - / - | SP6IYR | -5 / - | 5 | Partial capture |
| 10-11 20:01 | 60m | - / - | GW4HZA | -4 / - | 2 | Partial capture |
| 10-11 20:01 | 60m | - / -12 | SP1IWC | -14 / - | 3 | ✓ Closing fragment |
| 10-11 20:00 | 60m | - / -14 | IK1YFE | -3 / - | 11 | ✓ Closing fragment |
| 10-11 19:59 | 60m | - / -10 | PA0AME | -14 / - | 2 | ✓ Closing fragment |
| 10-11 19:58 | 60m | - / -11 | OH1LA | -11 / - | 3 | ✓ Closing fragment |
| 10-11 19:57 | 60m | - / -15 | G0CUZ | -4 / - | 2 | Partial capture |
| 10-11 19:52 | 60m | - / -1 | F5MXH | -10 / - | 3 | ✓ Closing fragment |
| 10-11 19:49 | 60m | - / -14 | DL3CY | -4 / - | 4 | Partial capture |
| 10-08 05:19 | 40m | - / - | E70N | -4 / - | 2 | Partial capture |
| 10-08 05:14 | 40m | - / - | E70N | 0 / - | 2 | Partial capture |
| 10-08 05:11 | 40m | -19 / -12 | F4MXT/P | -10 / -3 | 3 | ✓ Full exchange observed |
| 10-08 05:10 | 40m | - / -7 | UZ5CA | -5 / - | 11 | Partial capture |
| 10-08 05:05 | 40m | -17 / - | F4MXT/P | -16 / -8 | 3 | Partial capture |
| 10-08 05:02 | 80m | - / - | KE4EB | -12 / - | 2 | Partial capture |
| 10-08 05:02 | 80m | - / - | MW7TTA | -9 / - | 8 | Partial capture |
| 10-08 05:01 | 80m | -12 / - | KB4UF | - / -5 | 2 | ✓ Closing fragment |
| 10-08 04:57 | 80m | - / - | RV3X | 0 / - | 9 | Partial capture |
| 10-08 04:56 | 80m | - / -5 | SP5KG | +6 / - | 3 | Partial capture |
| 10-08 04:56 | 80m | - / - | E75FM | -5 / - | 3 | Partial capture |
| 10-08 04:56 | 80m | - / - | SP6FME | +17 / - | 3 | Partial capture |
| 10-08 04:53 | 80m | - / - | DL9KM | -3 / - | 5 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 045230 +0 1372 CU3EM DO1TLP JO50 045300 -23 2027 CU3EM SM7MDI JO76 045300 -3 1372 CU3EM DO1TLP JO50 (x2) 045515 -15 2402 CQ CU3EM HM68 (x2) 045630 -11 2402 CU3EM DO1FZL JO50 045645 -13 2402 CQ CU3EM HM68 045700 -8 2402 CU3EM DO1FZL JO50 045715 -15 2402 CQ CU3EM HM68 045745 -16 2402 DO3JP CU3EM -24 045800 -24 2403 CU3EM DO3JP R-11 (x2) 045930 -12 1316 CU3EM DO9RAI JN47 (x2)
UTC dB Audio Message 043615 -11 2432 V47NT CU3EM HM68 (x3) 044015 -14 2432 CQ CU3EM HM68 044045 -12 2431 V47NT CU3EM HM68 (x5) 044345 -11 2432 K1JAK CU3EM -14 (x3) 044515 -8 2431 CQ CU3EM HM68 044700 -14 840 CU3EM R6DZR KN84 (x2)
UTC dB Audio Message 213645 -20 1451 CT7AUT CU3EM +04 213745 -24 1450 CQ CU3EM HM68 a1 (x3) 213900 -8 2383 CU3EM DK7GH JN38 213915 -21 1451 CQ CU3EM HM68 214000 -14 2383 CU3EM DK7GH JN38 214015 -20 1450 CQ CU3EM HM68 214030 -18 1450 CU3EM DK7GH JN38 214100 -10 384 CU3EM ON4LDZ JO20 214230 -16 1610 CU3EM DK7GH JN38 (x5)
UTC dB Audio Message 202930 +1 2133 CU3EM SP2LLP JO94 (x8)
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.
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