RK2Z — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RK2Z, decoded by SO8OO in southeastern Poland. 862 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 37 UTC dates in the available aggregate history. Observed between 2026-07-03 and 2026-10-16.
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 862 FT8 messages attributed to RK2Z as the transmitting token by decoded message structure across 37 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (89%), followed by 80 m (4%) and 20 m (4%). Most decodes (79%) fell within the six-hour window 14:00-20:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (65%); the estimated median was -5.8 dB.
Overview
Bands
Last attributed message: 2026-10-16 11:25 UTC
Observed FT8 message patterns
- Attributed sample
- 862 messages
- Active dates
- 37 UTC dates
- Estimated median S/N
- -5.8 dB
- Estimated 10th-90th percentile
- -15 to +5.3 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 74, moderate (-15 to -9 dB) 226, strong (≥ -8 dB) 562.
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 RK2Z 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 RK2Z
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
- KO81 · 500 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,083 km (approx.)
- Last such locator decoded
- 2026-10-16 11:25 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 | RK2Z S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-16 05:04 | 40m | -2 / - | R9CS/P | - / -5 | 3 | ✓ Closing fragment |
| 10-16 03:56 | 40m | -8 / - | R9FFX | - / - | 2 | Partial capture |
| 10-15 13:02 | 40m | 0 / -3 | 9A7BB | -6 / -20 | 5 | ✓ Full exchange observed |
| 10-15 13:01 | 40m | -6 / - | YC4PIW | - / -18 | 2 | ✓ Closing fragment |
| 10-15 12:57 | 40m | -5 / - | R0DZ | - / -19 | 5 | ✓ Closing fragment |
| 10-15 12:49 | 40m | -4 / - | R0DZ | - / - | 3 | Partial capture |
| 10-15 12:39 | 40m | -9 / - | UA3SCF | - / -15 | 3 | ✓ Closing fragment |
| 10-15 12:35 | 40m | -7 / - | UB8SII | - / -12 | 5 | ✓ Closing fragment |
| 10-14 18:26 | 160m | - / - | RM5F | -5 / - | 3 | ✓ Closing fragment |
| 10-14 18:23 | 160m | -20 / - | RA4CFX | - / - | 3 | Partial capture |
| 10-14 15:21 | 160m | - / -21 | R7AW | -16 / - | 2 | ✓ Closing fragment |
| 10-14 15:07 | 40m | +3 / - | BG0DRM | - / -16 | 3 | ✓ Closing fragment |
| 10-14 15:04 | 40m | +5 / - | R8KAA | - / - | 3 | ✓ Closing fragment |
| 10-13 17:31 | 40m | -4 / - | R9FAI | - / - | 2 | Partial capture |
| 10-13 16:51 | 40m | +4 / -6 | RU4SO | -8 / - | 4 | ✓ Closing observed |
| 10-13 16:45 | 40m | 0 / - | RA4CEH/P | - / -25 | 7 | Partial capture |
| 10-13 16:22 | 40m | -8 / - | UA9OHC | - / - | 4 | ✓ Closing fragment |
| 10-13 16:19 | 40m | -5 / - | R8FH | -15 / -22 | 3 | ✓ Closing observed |
| 10-13 15:08 | 40m | -13 / - | R9YEZ | - / - | 2 | Partial capture |
| 10-12 16:26 | 40m | - / - | IU5VLR | -14 / - | 2 | Partial capture |
| 10-12 16:25 | 40m | -10 / -7 | UA3PAB | +1 / -14 | 5 | ✓ Full exchange observed |
| 10-12 16:22 | 40m | +1 / - | BD4WTX | - / -21 | 3 | ✓ Closing fragment |
| 10-12 16:18 | 40m | -2 / - | EV1R | +7 / 0 | 5 | ✓ Full exchange observed |
| 10-12 16:17 | 40m | -4 / - | R3UDU | - / -8 | 2 | ✓ Closing fragment |
| 10-12 16:17 | 40m | - / - | R2PX | -4 / - | 3 | Partial capture |
| 10-12 16:15 | 40m | -4 / - | BD8FWI | - / -12 | 2 | ✓ Closing fragment |
| 10-12 16:14 | 40m | -6 / - | UA0LQE | - / -20 | 2 | ✓ Closing fragment |
| 10-12 15:30 | 40m | -13 / +8 | R7RF | -8 / -8 | 8 | ✓ Full exchange observed |
| 10-12 15:09 | 40m | -8 / - | R7RCO/M | - / -15 | 5 | Partial capture |
| 10-12 15:04 | 40m | -9 / - | YJ1JXZ | - / - | 8 | Partial capture |
| 10-12 15:01 | 40m | -8 / - | YJ1JXZ | - / - | 2 | Partial capture |
| 10-12 14:59 | 40m | -7 / - | R6SBN | -7 / -13 | 8 | ✓ Closing observed |
| 10-12 14:52 | 40m | -20 / - | YJ1JXZ | - / - | 2 | Partial capture |
| 10-12 14:48 | 40m | -19 / - | UB3LCH | -18 / -10 | 4 | ✓ Closing observed |
| 10-12 14:28 | 10m | - / -12 | TN8GD | -12 / - | 2 | ✓ Closing fragment |
| 10-12 14:08 | 40m | -13 / - | R9OFA | - / -13 | 3 | ✓ Closing fragment |
| 10-12 14:07 | 40m | -14 / - | R6KA | - / - | 2 | Partial capture |
| 10-12 13:50 | 40m | -14 / - | UB8SAA | - / - | 2 | Partial capture |
| 10-12 13:49 | 40m | -14 / - | R4YBG | - / -11 | 3 | ✓ Closing fragment |
| 10-12 13:47 | 40m | -12 / - | RA5AD | -16 / -4 | 4 | ✓ Full exchange observed |
| 10-12 13:46 | 40m | -14 / - | UA9CMN | - / -10 | 2 | ✓ Closing fragment |
| 10-12 13:11 | 40m | -14 / - | YD9BHU | - / -13 | 2 | ✓ Closing fragment |
| 10-12 06:18 | 40m | -10 / - | UA3YAJ | - / -3 | 2 | Partial capture |
| 10-11 15:21 | 40m | -3 / - | BG0FQU | - / -13 | 3 | ✓ Closing fragment |
| 10-11 15:19 | 40m | -2 / - | RG8U | - / -8 | 3 | ✓ Closing fragment |
| 10-11 15:00 | 40m | -6 / - | R4SCQ | - / -12 | 2 | ✓ Closing fragment |
| 10-11 13:48 | 40m | -5 / - | YJ1JXZ | - / - | 7 | Partial capture |
| 10-11 13:42 | 40m | -3 / - | UB0SDP | - / -23 | 6 | ✓ Closing fragment |
| 10-11 13:26 | 40m | -5 / - | YJ1JXZ | - / - | 9 | Partial capture |
| 10-11 13:21 | 40m | -10 / - | R9FGJ | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 130115 -7 2646 YC4PIW RK2Z R-18 (x2) 130230 -10 2551 RK2Z 9A7BB JN75 130245 -1 2647 9A7BB RK2Z -20 130300 -2 2551 RK2Z 9A7BB R-03 130315 +2 2646 9A7BB RK2Z RR73 130330 -7 2551 RK2Z 9A7BB 73 140500 +1 2647 RK0SK RK2Z KO81 035615 -11 2627 R9FFX RK2Z KO81 (x2) 050445 -2 2628 R9CS/P RK2Z KO81 (x3) 101600 -20 1955 R7ZY RK2Z 73 112515 -22 1955 <UA9JTJ/9> RK2Z KO81
UTC dB Audio Message 183700 -11 1559 RK2Z UG4L RR73 152130 -15 1645 RK2Z R7AW -21 (x2) 153815 -15 2641 R9CS/P RK2Z KO81 182315 -24 2641 RA4CFX RK2Z KO81 (x3) 182515 -21 2641 CQ RK2Z KO81 (x2) 182600 -6 750 RK2Z RM5F KO85 (x3) 182745 -16 2641 CQ RK2Z KO81 (x3)
UTC dB Audio Message 084445 -15 266 UA9FFV RK2Z 73 054545 -11 556 UA3SNB RK2Z R-13 (x2) 142800 -14 907 RK2Z TN8GD -12 (x2)
UTC dB Audio Message 094600 -13 274 R3XBS RK2Z 73 094700 -14 274 RA9YTI RK2Z KO81 075315 -21 1888 RK2Z RN9N RR73 124430 -24 1715 RK2Z RJ3DC -17 133645 -17 887 RA3P RK2Z KO81 (x2) 180000 -10 1251 RK2Z R1IV -16 (x2) 040615 -7 545 RK2Z R6ZEJ KN98 (x2) 040715 -18 1973 RK2Z RC5F RR73 040715 -10 545 RK2Z R6ZEJ KN98 041045 -7 2646 RK2Z RA3AHN -05 (x2) 050615 -11 795 RN3YN RK2Z KO81
UTC dB Audio Message 190945 -11 882 RK2Z RA3VX LO06 (x3)
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.
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