RU4SS — 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 RU4SS, decoded by SO8OO in southeastern Poland. 2,195 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 86 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-10-22.
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 2,195 FT8 messages attributed to RU4SS as the transmitting token by decoded message structure across 86 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (38%), followed by 40 m (35%) and 80 m (24%). Most decodes (74%) fell within the six-hour window 13:00-19:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9.9 dB.
Overview
Bands
Last attributed message: 2026-10-22 17:20 UTC
Observed FT8 message patterns
- Attributed sample
- 2,195 messages
- Active dates
- 86 UTC dates
- Estimated median S/N
- -9.9 dB
- Estimated 10th-90th percentile
- -19 to +1 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 457, moderate (-15 to -9 dB) 754, strong (≥ -8 dB) 984.
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 RU4SS 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 RU4SS
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
- LO36 · 1,092 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,817 km (approx.)
- Last such locator decoded
- 2026-10-22 17:20 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 | RU4SS S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-22 17:20 | 80m | -12 / -18 | OZ1LXL | -5 / - | 2 | Partial capture |
| 10-22 17:18 | 80m | -12 / -8 | OM1TD | +3 / -10 | 4 | ✓ Full exchange observed |
| 10-22 17:15 | 80m | - / -15 | DL3HBF | +10 / - | 2 | ✓ Closing fragment |
| 10-22 17:09 | 80m | -18 / -25 | DO6LE | +4 / -11 | 4 | Partial capture |
| 10-22 17:08 | 80m | -17 / -10 | R1QF/P | -13 / -3 | 5 | ✓ Full exchange observed |
| 10-22 17:05 | 80m | - / -17 | DL5MO | +9 / - | 2 | ✓ Closing fragment |
| 10-22 17:04 | 80m | -14 / -8 | PE2JMR | +4 / -6 | 5 | ✓ Full exchange observed |
| 10-22 17:01 | 40m | -23 / -14 | IK2YYO | -2 / - | 3 | ✓ Closing observed |
| 10-22 17:01 | 40m | - / -17 | M0OXO | -8 / - | 2 | Partial capture |
| 10-22 16:58 | 40m | -20 / - | F4MXT/P | - / -11 | 3 | Partial capture |
| 10-22 16:55 | 40m | -14 / - | RL6ZK | - / -3 | 2 | ✓ Closing fragment |
| 10-22 16:52 | 40m | -12 / - | DL8CKL | - / -8 | 2 | ✓ Closing fragment |
| 10-22 16:50 | 40m | -11 / - | DG9EAL | -2 / -17 | 3 | ✓ Closing observed |
| 10-22 16:50 | 40m | - / -16 | M0OXO | 0 / - | 2 | Partial capture |
| 10-21 18:16 | 160m | - / -7 | R8DX | -12 / - | 2 | Partial capture |
| 10-21 18:09 | 40m | -10 / -15 | S56LKP | -11 / -8 | 5 | ✓ Full exchange observed |
| 10-21 18:06 | 160m | - / - | R6HV | -16 / - | 2 | Partial capture |
| 10-21 18:05 | 160m | -16 / - | R3RB | - / -16 | 2 | ✓ Closing fragment |
| 10-21 18:03 | 160m | -20 / - | RK1N | -8 / -11 | 3 | ✓ Closing observed |
| 10-21 17:57 | 80m | -6 / - | OD5ZZ | - / -7 | 2 | ✓ Closing fragment |
| 10-21 17:50 | 40m | -20 / - | SP9JW | - / -4 | 2 | ✓ Closing fragment |
| 10-21 17:48 | 40m | -8 / - | VK2LAW | - / - | 2 | Partial capture |
| 10-21 17:45 | 40m | -2 / -6 | M1DBB | -7 / -14 | 6 | ✓ Full exchange observed |
| 10-20 17:53 | 40m | - / +3 | YO3VPT | -8 / - | 2 | ✓ Closing fragment |
| 10-20 17:52 | 40m | -9 / - | GI4NKB | -16 / -12 | 2 | ✓ Closing observed |
| 10-20 17:50 | 40m | -13 / -12 | IZ8XXE | -7 / -9 | 5 | ✓ Full exchange observed |
| 10-20 17:25 | 40m | -14 / - | PA/DL3IAS | - / -18 | 2 | Partial capture |
| 10-20 17:20 | 40m | -14 / - | R9HAG | - / -9 | 4 | ✓ Closing fragment |
| 10-17 01:19 | 80m | +8 / - | YT1MP | +13 / - | 2 | ✓ Closing observed |
| 10-17 01:18 | 80m | +2 / -13 | DO9BLX | +20 / - | 2 | Partial capture |
| 10-17 01:17 | 80m | +8 / -9 | DO8JB | +6 / -7 | 5 | ✓ Full exchange observed |
| 10-17 01:16 | 80m | +8 / - | M6WRB | - / -20 | 3 | ✓ Closing fragment |
| 10-17 00:54 | 80m | -4 / +4 | DL9KV | -2 / -4 | 4 | ✓ Full exchange observed |
| 10-17 00:52 | 80m | +2 / -6 | F5MXH | +4 / -8 | 5 | ✓ Full exchange observed |
| 10-17 00:51 | 80m | +3 / - | DL1DY | - / -13 | 3 | ✓ Closing fragment |
| 10-17 00:48 | 80m | +2 / - | RZ9O | - / -6 | 4 | ✓ Closing fragment |
| 10-17 00:46 | 80m | +2 / -3 | SQ1EG | +11 / -7 | 5 | ✓ Full exchange observed |
| 10-17 00:45 | 80m | +2 / -12 | EC5M | 0 / -11 | 5 | ✓ Full exchange observed |
| 10-15 17:24 | 40m | -10 / -13 | EA1KCN | -8 / -12 | 5 | ✓ Full exchange observed |
| 10-15 17:23 | 40m | -18 / +6 | R3ZBH | +5 / +3 | 3 | Partial capture |
| 10-15 17:22 | 40m | -11 / - | LZ1DIO | - / -18 | 3 | ✓ Closing fragment |
| 10-15 17:20 | 40m | -13 / - | EY7BM | - / - | 3 | Partial capture |
| 10-15 17:18 | 40m | -16 / - | DL6KA | - / -9 | 3 | ✓ Closing fragment |
| 10-15 17:13 | 80m | -10 / - | YO2UKG | +12 / -8 | 4 | ✓ Closing observed |
| 10-15 17:13 | 80m | -12 / -4 | R6AR | -5 / -2 | 6 | ✓ Full exchange observed |
| 10-15 14:27 | 40m | -20 / -9 | R3DQB | -14 / - | 3 | ✓ Closing observed |
| 10-15 14:26 | 40m | -15 / -5 | RK1K | -6 / -6 | 3 | ✓ Full exchange observed |
| 10-15 14:23 | 40m | -16 / +10 | R3XDT | -17 / - | 4 | ✓ Closing observed |
| 10-15 14:20 | 40m | -20 / - | JA4MMO | - / -9 | 3 | ✓ Closing fragment |
| 10-15 14:18 | 40m | -20 / 0 | R4HMI | -16 / -1 | 4 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 171000 +4 1616 RU4SS DO6LE -25 171015 -17 1707 DO6LE RU4SS R-11 171030 +5 1115 RU4SS DO6LE -25 171115 -17 1707 R1QF/P RU4SS R-03 171230 -13 2103 RU4SS R1QF/P -13 (x2) 171515 +11 447 RU4SS DL3HBF -15 (x2) 171645 -13 961 RU4SS R9TS +11 171830 +3 2290 RU4SS OM1TD -08 171845 -13 2039 OM1TD RU4SS R-10 171900 +3 2290 RU4SS OM1TD RR73 171915 -11 2039 OM1TD RU4SS 73 172045 -12 2052 OZ1LXL RU4SS LO36 172100 -5 1671 RU4SS OZ1LXL -18
UTC dB Audio Message 165100 -2 1688 RU4SS DG9EAL RR73 165115 -11 1622 DG9EAL RU4SS 73 165215 -15 1622 DL8CKL RU4SS R-08 (x2) 165330 -16 1481 OM2WW RU4SS R-07 165500 -12 1481 RL6ZK RU4SS R-03 (x2) 165800 -22 1484 F4MXT/P RU4SS LO36 (x3) 170115 -12 1772 RU4SS M0OXO -17 170115 -23 1978 IK2YYO RU4SS LO36 170130 -4 1871 RU4SS IK2YYO -14 170145 -4 1772 RU4SS M0OXO -17 170200 +0 1872 RU4SS IK2YYO RR73
UTC dB Audio Message 152015 -18 1531 RU4SS RA3ZK RR73 181215 -15 1870 RU4SS R80SAA -05 (x2) 171330 +18 850 RU4SS LZ2IP -13 (x2) 180330 -20 1642 RK1N RU4SS R-11 180345 -8 1642 RU4SS RK1N RR73 180400 -19 1642 RK1N RU4SS 73 180500 -13 742 R3RB RU4SS -16 (x2) 180615 -14 1252 RU4SS R6HV LN15 (x2) 181415 -24 1103 R8DX RU4SS LO36 181630 -12 1590 RU4SS R8DX -07 (x2)
UTC dB Audio Message 132915 -16 1603 RU4SS ON1JP -12 132930 -13 1834 VK3DRN RU4SS LO36 132945 -24 1603 RU4SS ON1JP -12 133000 -13 1834 VK3DRN RU4SS R-18 133015 -19 1603 RU4SS ON1JP -12 133030 -11 1834 VK3DRN RU4SS 73 133100 -10 1834 BI4MJX RU4SS -13 (x2) 133145 -21 1603 RU4SS ON1JP -12 133200 -10 1834 BI6NYR RU4SS LO36 (x2) 133315 -4 1834 RU4SS R6FMK LN05 133330 -9 1834 R6FMK RU4SS -13 (x2) 133430 -15 1834 VK5AIB RU4SS LO36
UTC dB Audio Message 071115 -17 1358 RU4SS RK6MC -10 090045 +2 2296 RU4SS RK6A RR73
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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