RA7A — 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 RA7A, decoded by SO8OO in southeastern Poland. 197 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 11 UTC dates in the available aggregate history. Observed between 2026-07-02 and 2026-10-21.
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 197 FT8 messages attributed to RA7A as the transmitting token by decoded message structure across 11 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (57%), followed by 20 m (32%) and 10 m (6%). Several six-hour UTC windows tied for the largest share (91%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.
Overview
Bands
Last attributed message: 2026-10-21 04:02 UTC
Observed FT8 message patterns
- Attributed sample
- 197 messages
- Active dates
- 11 UTC dates
- Estimated median S/N
- -11 dB
- Estimated 10th-90th percentile
- -18 to +11 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 38, moderate (-15 to -9 dB) 81, strong (≥ -8 dB) 78.
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 RA7A 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 RA7A
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
- KN94 · 61 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,429 km (approx.)
- Last such locator decoded
- 2026-10-21 03:59 UTC
Other locator fields attributed to this token: KN97 (7).
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 | RA7A S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-21 04:02 | 40m | +10 / - | RA4PIS | - / -11 | 2 | Partial capture |
| 10-21 04:01 | 40m | +14 / - | IN3ZWF | - / -16 | 2 | ✓ Closing fragment |
| 10-21 04:00 | 40m | +12 / - | R4DI | -6 / - | 4 | ✓ Full exchange observed |
| 10-21 03:58 | 40m | +13 / +1 | GJ0KYZ | -2 / -17 | 4 | ✓ Full exchange observed |
| 10-21 03:56 | 40m | +6 / - | TA3XEE | - / -16 | 4 | ✓ Closing fragment |
| 10-21 03:56 | 40m | - / - | RD3FY | -8 / - | 4 | Partial capture |
| 10-21 03:54 | 40m | -2 / - | RU6UR | - / -3 | 2 | ✓ Closing fragment |
| 10-21 03:53 | 40m | +8 / - | UA3WG | -16 / +9 | 6 | ✓ Full exchange observed |
| 10-21 03:52 | 40m | +12 / - | SM2LKW | - / +8 | 2 | ✓ Closing fragment |
| 10-21 03:51 | 40m | +15 / - | HI8WJI | - / -19 | 2 | Partial capture |
| 10-21 03:50 | 40m | +16 / - | F5SJC | -2 / -12 | 5 | ✓ Full exchange observed |
| 10-21 03:48 | 40m | +14 / - | R2GDV | - / +7 | 2 | ✓ Closing fragment |
| 10-21 03:18 | 40m | 0 / - | G6CKK/P | - / +7 | 3 | Partial capture |
| 10-17 14:42 | 40m | -13 / - | R9SAP | - / -19 | 2 | ✓ Closing fragment |
| 10-17 14:41 | 40m | - / - | UC6D | -4 / - | 2 | Partial capture |
| 10-17 14:41 | 40m | -14 / - | UK8FCM | - / +7 | 2 | ✓ Closing fragment |
| 09-11 02:26 | 40m | +3 / - | D44TWO | - / - | 4 | Partial capture |
| 09-05 06:43 | 40m | - / +1 | R3WDW/P | -2 / - | 2 | ✓ Closing fragment |
| 09-05 06:35 | 40m | - / -4 | RC2Y | -13 / - | 3 | ✓ Closing fragment |
| 09-03 18:35 | 160m | -15 / - | RI1FJL | - / -16 | 2 | Partial capture |
| 08-27 18:20 | 80m | -16 / - | RI1FJL | - / - | 7 | Partial capture |
| 08-23 16:26 | 10m | +4 / - | CX6TU | - / -4 | 3 | Partial capture |
| 08-12 03:58 | 20m | -18 / - | RI1ANC | - / -11 | 2 | Partial capture |
| 08-12 03:47 | 20m | -20 / - | KC6JGZ | - / -7 | 2 | ✓ Closing fragment |
| 08-12 03:42 | 20m | -21 / - | N8HRZ | - / -3 | 2 | ✓ Closing fragment |
| 08-12 03:38 | 20m | -14 / - | W7SHA | - / -22 | 2 | ✓ Closing fragment |
| 08-12 03:36 | 20m | -12 / - | UA0TP | - / -9 | 2 | Partial capture |
| 08-12 03:34 | 20m | -14 / - | W6TOX | - / -21 | 2 | Partial capture |
| 08-12 03:31 | 20m | -10 / - | R6ZAA | - / -23 | 3 | Partial capture |
| 08-12 03:29 | 20m | -12 / - | K0MTP | - / -16 | 2 | ✓ Closing fragment |
| 08-12 03:28 | 20m | -15 / - | A41ZZ | - / -25 | 2 | ✓ Closing fragment |
| 08-12 03:26 | 20m | -12 / -7 | R2PA | -19 / -7 | 3 | ✓ Full exchange observed |
| 08-12 03:23 | 20m | -12 / - | N6DD | - / - | 2 | ✓ Closing fragment |
| 08-12 03:22 | 20m | -17 / - | RG3M | - / -5 | 2 | ✓ Closing fragment |
| 08-12 03:16 | 20m | -14 / - | ND9M | - / -13 | 3 | ✓ Closing fragment |
| 08-12 03:14 | 20m | -11 / - | KI6Q | - / -12 | 5 | ✓ Closing fragment |
| 08-12 03:12 | 20m | -15 / - | R9FDE | - / - | 2 | ✓ Closing fragment |
| 08-12 02:46 | 40m | -12 / - | OO0O | - / -3 | 2 | ✓ Closing fragment |
| 08-12 02:45 | 40m | -16 / - | CT3MD | - / -10 | 2 | ✓ Closing fragment |
| 08-12 02:41 | 40m | -10 / - | K2AKA | - / -25 | 5 | Partial capture |
| 08-12 02:40 | 40m | -12 / - | UG4P | - / +6 | 2 | ✓ Closing fragment |
| 08-12 02:38 | 40m | -8 / - | K1XE | - / -8 | 2 | ✓ Closing fragment |
| 08-12 02:36 | 40m | -11 / - | KN0BLE | - / -5 | 4 | ✓ Closing fragment |
| 08-12 02:33 | 40m | -11 / - | W5MF | - / -25 | 2 | ✓ Closing fragment |
| 08-12 02:32 | 40m | -10 / - | R4HLO | - / - | 2 | ✓ Closing fragment |
| 08-12 02:30 | 40m | -10 / - | W3GO | - / -5 | 3 | ✓ Closing fragment |
| 08-12 02:28 | 40m | -8 / - | VA2JWZ | - / -20 | 3 | ✓ Closing fragment |
| 08-12 02:26 | 40m | -5 / - | KK5MM | - / -13 | 3 | ✓ Closing fragment |
| 08-12 02:25 | 40m | -8 / - | WA8CAC | - / -4 | 2 | ✓ Closing fragment |
| 08-12 02:23 | 40m | -9 / - | RA9YJU | - / -24 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 035745 +10 1274 TA3XEE RA7A RR73 035815 +11 1274 CQ RA7A KN94 035830 -8 1274 RA7A GJ0KYZ +01 035845 +12 1274 GJ0KYZ RA7A R-17 035900 +4 1274 RA7A GJ0KYZ RR73 035915 +14 1274 GJ0KYZ RA7A 73 035945 +11 1274 CQ RA7A KN94 040000 -7 2423 RA7A R4DI +19 040015 +14 1274 R4DI RA7A R+18 040030 -4 2423 RA7A R4DI RR73 040045 +11 1274 R4DI RA7A 73 040115 +12 1274 IN3ZWF RA7A -16 (x2) 040215 +11 1274 RA4PIS RA7A R-11 (x2)
UTC dB Audio Message 183515 -14 528 RI1FJL RA7A -16 (x2)
UTC dB Audio Message 182015 -13 1051 RI1FJL RA7A KN97 (x7)
UTC dB Audio Message 043445 -8 1194 <...> RA7A KN94 (x2) 043945 -10 1193 CQ RA7A KN94 044100 -6 1193 <...> RA7A -01 (x2) 044300 -15 1193 RU3X RA7A +05 (x2) 044400 -17 1194 SV2CLJ RA7A -10 (x2) 162630 +2 1050 CX6TU RA7A KN94 (x3)
UTC dB Audio Message 033730 -9 1423 W6TOX RA7A -12 033800 -10 1423 W7SHA RA7A R-22 (x2) 034200 -20 1423 N8HRZ RA7A -03 (x2) 034330 -19 1424 K7FR RA7A RR73 034400 -21 1424 K3QB RA7A -23 034730 -21 1424 KC6JGZ RA7A -07 (x2) 034830 -20 1424 CQ RA7A KN94 035100 -19 1424 NZ6C RA7A RR73 035830 -20 1256 RI1ANC RA7A -11 (x2) 040130 -18 1256 VA2KFF RA7A -13 040230 -20 1257 CQ RA7A KN94
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
CW history is temporarily unavailable.
Explore CW reception at SO8OOFT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee