RT5R — 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 RT5R, decoded by SO8OO in southeastern Poland. 222 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 22 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 222 FT8 messages attributed to RT5R as the transmitting token by decoded message structure across 22 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (49%), followed by 10 m (25%) and 40 m (22%). Several six-hour UTC windows tied for the largest share (37%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.
Overview
Bands
Last attributed message: 2026-10-22 05:21 UTC
Observed FT8 message patterns
- Attributed sample
- 222 messages
- Active dates
- 22 UTC dates
- Estimated median S/N
- -9 dB
- Estimated 10th-90th percentile
- -18 to +2 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 46, moderate (-15 to -9 dB) 71, strong (≥ -8 dB) 105.
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 RT5R 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 RT5R
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
- LO02 · 127 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,363 km (approx.)
- Last such locator decoded
- 2026-10-22 05:21 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 | RT5R S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-17 01:11 | 80m | -13 / -12 | GM6URC | +2 / -16 | 3 | ✓ Full exchange observed |
| 10-17 01:09 | 80m | -9 / - | RV9CD | - / - | 2 | Partial capture |
| 10-17 01:07 | 80m | -2 / -1 | R6DOP | -3 / -2 | 5 | ✓ Full exchange observed |
| 10-17 00:41 | 80m | - / - | F5MXH | +1 / - | 2 | ✓ Closing fragment |
| 10-17 00:40 | 80m | -12 / 0 | R4OF | +4 / +5 | 4 | ✓ Full exchange observed |
| 10-17 00:37 | 80m | -16 / - | SQ1EG | +8 / -6 | 4 | ✓ Closing observed |
| 10-17 00:36 | 80m | -17 / - | R8KAN | -13 / -15 | 4 | ✓ Closing observed |
| 10-17 00:34 | 80m | -10 / - | SK6VK | - / - | 2 | Partial capture |
| 10-17 00:29 | 80m | -10 / - | R6AR | - / +1 | 3 | ✓ Closing fragment |
| 10-17 00:29 | 80m | - / -11 | PA25ASP/J | +14 / - | 4 | Partial capture |
| 10-17 00:22 | 80m | - / -10 | RW9ULK | -3 / - | 3 | ✓ Closing fragment |
| 10-17 00:21 | 80m | -19 / -13 | PI4DX | +8 / -7 | 5 | ✓ Full exchange observed |
| 10-17 00:17 | 80m | -13 / -9 | R2EA/P | +5 / -5 | 4 | ✓ Full exchange observed |
| 10-17 00:16 | 80m | -17 / - | YU65AEC | - / +2 | 2 | Partial capture |
| 10-15 12:54 | 40m | -20 / - | R0DZ | - / -15 | 4 | ✓ Closing fragment |
| 10-15 12:52 | 40m | - / -4 | R2YW | -17 / - | 3 | ✓ Closing fragment |
| 10-15 12:51 | 40m | -21 / -4 | UA3SCF | -18 / - | 2 | ✓ Closing observed |
| 10-15 06:15 | 40m | - / -6 | R1BKC | -7 / - | 3 | ✓ Closing fragment |
| 10-15 06:09 | 40m | - / -21 | 9A5CW | +5 / - | 3 | ✓ Closing fragment |
| 09-13 16:41 | 40m | -12 / - | OL900LTV | - / - | 2 | Partial capture |
| 09-13 16:38 | 40m | -15 / - | IR0IADU | - / - | 3 | Partial capture |
| 09-13 16:36 | 40m | -10 / - | W1AW/4 | - / - | 2 | Partial capture |
| 09-13 16:29 | 40m | +2 / - | R6HV/P | - / -10 | 8 | Partial capture |
| 09-12 18:02 | 80m | -15 / - | R5BM/M | - / -16 | 4 | Partial capture |
| 09-12 16:25 | 40m | - / -17 | R6HV/P | -16 / - | 2 | ✓ Closing fragment |
| 09-12 16:21 | 40m | -2 / - | R6HV/P | - / - | 3 | Partial capture |
| 09-12 16:16 | 40m | -8 / - | R6HV/P | - / - | 4 | Partial capture |
| 09-05 17:30 | 80m | -19 / - | R4AGO | -22 / -9 | 2 | Partial capture |
| 09-05 17:30 | 80m | -8 / -4 | UB1CCL | -6 / -16 | 6 | ✓ Full exchange observed |
| 09-05 17:28 | 80m | -12 / - | RA4CQW/P | - / -13 | 4 | ✓ Closing fragment |
| 09-04 00:21 | 80m | -9 / - | R2UC | - / - | 2 | Partial capture |
| 09-04 00:19 | 80m | -18 / -3 | UA9LT | -10 / -4 | 4 | ✓ Full exchange observed |
| 09-04 00:16 | 80m | -16 / - | <...> | - / -10 | 4 | Partial capture |
| 09-04 00:06 | 80m | -15 / - | RI1FJL | - / -21 | 4 | ✓ Closing fragment |
| 09-03 19:30 | 80m | -9 / - | IS0LAY | - / - | 3 | Partial capture |
| 09-03 19:26 | 80m | -13 / -4 | RC3C | +1 / +1 | 4 | ✓ Full exchange observed |
| 09-03 18:48 | 80m | - / -21 | RQ3D | -10 / - | 2 | Partial capture |
| 09-03 18:46 | 80m | - / -8 | RO7A | +8 / - | 4 | ✓ Closing fragment |
| 09-03 18:43 | 80m | -17 / - | R3SN | - / - | 2 | Partial capture |
| 09-03 18:42 | 80m | -18 / - | RC2Y | - / - | 2 | ✓ Closing fragment |
| 09-03 18:34 | 80m | -1 / -6 | RW4HBD | -17 / - | 4 | ✓ Closing observed |
| 09-03 17:24 | 80m | -11 / - | UA9FMT | - / - | 2 | Partial capture |
| 09-03 17:16 | 80m | -12 / - | JG3TRB | - / - | 2 | Partial capture |
| 09-03 17:12 | 80m | -18 / -15 | R6ZEJ | 0 / +4 | 6 | ✓ Full exchange observed |
| 09-03 17:10 | 80m | -16 / -4 | RT6Z | +16 / +3 | 6 | ✓ Full exchange observed |
| 08-30 01:12 | 80m | -12 / - | UA3AGW | - / - | 2 | Partial capture |
| 08-30 01:09 | 80m | -15 / - | AA3B | - / - | 2 | Partial capture |
| 08-28 20:15 | 80m | -14 / - | UA3SCU | - / -9 | 3 | ✓ Closing fragment |
| 08-28 20:09 | 80m | - / 0 | RA3GZ | +4 / - | 2 | ✓ Closing fragment |
| 08-28 18:05 | 80m | -11 / -10 | R6ML | +6 / -5 | 6 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 125130 -18 1396 RT5R UA3SCF -04 125215 -21 2112 UA3SCF RT5R 73 125230 -14 2022 RT5R R2YW KO62 (x3) 125415 -22 2112 R0DZ RT5R LO02 (x4) 030530 -11 2381 RT5R PQ5TA -16 030600 -9 2381 RT5R RR73; 9A2WA <...> -18 031830 +8 390 RT5R TO4A -03 031900 +9 389 RT5R RR73; LZ2EV <...> +14 032800 -6 1919 RT5R CT9/DF7EE -06 052115 -11 2566 OA4ENG RT5R LO02
UTC dB Audio Message 004015 +0 1192 RT5R R4OF +00 004030 -8 2309 R4OF RT5R R+05 004045 +7 1192 RT5R R4OF RR73 004115 +4 2309 RT5R F5MXH JN07 (x2) 010715 -3 2474 R6DOP RT5R LO02 010730 -6 2242 RT5R R6DOP -01 010745 -1 2474 R6DOP RT5R R-02 010800 +0 2242 RT5R R6DOP RR73 010815 -3 2474 R6DOP RT5R 73 010930 -8 2474 RV9CD RT5R LO02 (x2) 011145 -1 1694 RT5R GM6URC -12 011200 -13 2474 GM6URC RT5R R-16 011215 +4 1694 RT5R GM6URC RR73
UTC dB Audio Message 064130 +2 2751 RT5R SM/OV2E -04 (x2) 223715 -4 2717 RT5R VO1CH RR73 082000 -10 2217 RT5R ZA/IK3BNO -05
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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