R3THJ — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: LO16

Receiver-side FT8 activity involving R3THJ, decoded by SO8OO in southeastern Poland. 204 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 5 UTC dates in the available aggregate history. Observed between 2026-09-23 and 2026-10-13.

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 204 FT8 messages attributed to R3THJ as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (63%), followed by 40 m (37%). Most decodes (100%) fell within the six-hour window 15:00-21:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10 dB.

Overview

204
Messages attributed
5
UTC dates decoded
24
Active 15-min windows
-10 dB
Estimated median S/N

Bands

80m · 128 40m · 76
First attributed message: 2026-09-23
Last attributed message: 2026-10-13 20:51 UTC

Observed FT8 message patterns

Attributed sample
204 messages
Active dates
5 UTC dates
Estimated median S/N
-10 dB
Estimated 10th-90th percentile
-16 to -3 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 24, moderate (-15 to -9 dB) 95, strong (≥ -8 dB) 85.

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 R3THJ 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 R3THJ

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
LO16 · 77 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,580 km (approx.)
Last such locator decoded
2026-10-13 20:51 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 UTCBandR3THJ S/NCounterpartCounterpart S/NMsgsCapture
10-13 20:49 80m -10 / - RA5AK -4 / -7 2 Partial capture
10-13 20:48 80m -11 / -9 DK7ZT +12 / - 5 ✓ Full exchange observed
10-13 20:47 80m -12 / -5 SP6FME +9 / -2 4 Partial capture
10-13 20:46 80m -14 / -9 RW9MZ -9 / 0 4 ✓ Full exchange observed
10-13 20:46 80m -9 / -25 DO1MDO +4 / - 8 ✓ Closing observed
10-13 20:31 80m -7 / -19 DL5MO +5 / 0 3 ✓ Full exchange observed
10-13 20:29 80m - / +3 EW8DU -2 / - 2 Partial capture
10-13 20:24 80m - / -7 RX3ASQ +4 / - 3 ✓ Closing fragment
10-13 20:06 40m -10 / - DH0GBC - / -15 2 Partial capture
10-13 20:01 40m -11 / -11 OE7LVI +3 / -7 4 ✓ Full exchange observed
10-13 20:01 40m -4 / - TA2EE - / -12 2 ✓ Closing fragment
10-13 19:58 40m - / - F4BYA +10 / - 4 Partial capture
10-13 19:55 40m -7 / -9 DL2EMS -15 / - 2 ✓ Closing observed
10-13 19:53 40m -9 / - TA2EE - / -8 2 Partial capture
10-13 19:52 40m -6 / - DL2EMS - / -18 2 Partial capture
10-13 19:46 40m -6 / - UN9FF - / -9 2 Partial capture
10-13 19:44 40m -2 / - DH5BM -5 / - 6 ✓ Closing observed
10-13 19:43 40m -8 / - M9XPN -6 / -16 2 Partial capture
10-13 19:37 40m -8 / -3 DJ0MAB +6 / -8 10 ✓ Full exchange observed
10-13 19:31 40m 0 / -10 UB1CCL -6 / -7 3 ✓ Full exchange observed
10-13 19:28 40m -10 / -11 LX1RFJ -6 / - 4 ✓ Closing observed
10-13 19:26 40m -10 / - HA7TM - / -5 2 ✓ Closing fragment
10-13 19:21 40m -5 / - BA5AW - / -5 4 ✓ Closing fragment
10-13 19:18 40m -8 / - EW4DX - / -8 3 ✓ Closing fragment
10-13 19:13 40m - / +1 DJ0MAB -2 / - 3 ✓ Closing fragment
10-13 19:09 40m - / - DK8HC -7 / - 5 Partial capture
10-08 19:10 40m - / - R6DZR -18 / - 2 Partial capture
10-08 19:09 40m -15 / - JY5IB - / -25 5 ✓ Closing fragment
10-08 19:02 40m -13 / - BG0KD - / -12 4 ✓ Closing fragment
10-04 17:18 80m - / -2 R4UA +2 / - 3 ✓ Closing fragment
10-04 17:17 80m - / - RZ6CO -3 / - 2 ✓ Closing fragment
10-04 17:17 80m - / +2 UA3UBV +2 / - 3 ✓ Closing fragment
10-04 17:15 80m -1 / - RK6MC -4 / - 4 ✓ Closing observed
10-04 17:15 80m -11 / -5 R2PJ -5 / -10 3 ✓ Full exchange observed
10-04 17:11 80m - / - R7CD 0 / - 2 Partial capture
10-04 17:10 80m -4 / -14 RC7LX -10 / -8 3 ✓ Full exchange observed
09-25 18:12 80m - / - R2HB -11 / - 3 Partial capture
09-25 17:32 80m -18 / -1 RX3VF -12 / +8 3 Partial capture
09-25 17:25 80m -11 / - SV1DZB - / -10 3 ✓ Closing fragment
09-25 17:24 80m - / -16 EU1EU -6 / - 2 Partial capture
09-25 17:22 80m -12 / -4 RW3QW -2 / - 3 ✓ Closing observed
09-25 17:21 80m -12 / - UA9UIS - / -19 2 Partial capture
09-25 17:18 80m - / -7 RZ6BS -12 / - 2 ✓ Closing fragment
09-25 17:14 80m -16 / - RA6OD -5 / -7 3 ✓ Closing observed
09-25 17:12 80m - / -10 RM5F -4 / - 3 ✓ Closing fragment
09-25 17:09 80m -10 / - RA1OW - / -11 3 Partial capture
09-25 17:07 80m -12 / - UA3ZQN -14 / +6 3 ✓ Closing observed
09-25 17:05 80m -10 / -3 RX6DA -9 / -7 5 ✓ Full exchange observed
09-25 17:03 80m - / -13 DK7ZT +1 / - 4 Partial capture
09-25 16:59 80m - / - UA1CFF -13 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

80m 
UTC    dB Audio  Message
204815  +9  893  R3THJ SP6FME JO90
204815  +2 1956  R3THJ DO1MDO R-25
204815 +16  826  R3THJ DK7ZT -09
204830 -12  893  SP6FME R3THJ -02
204845  +9  893  R3THJ SP6FME R-05
204845  +5 1956  R3THJ DO1MDO RR73
204845 +11  826  R3THJ DK7ZT -09
204915  -4  962  R3THJ RA5AK KO85
204915  +2 1956  R3THJ DO1MDO 73
204915 +10  826  R3THJ DK7ZT R-09
204930 -11  893  DK7ZT R3THJ RR73
204945 +10  826  R3THJ DK7ZT 73
205030 -10  893  RA5AK R3THJ -07
205100 -11  893  CQ R3THJ LO16 (x2)
40m 
UTC    dB Audio  Message
195930  -6  976  CQ R3THJ LO16
195945 +13 2981  R3THJ F4BYA JN19
200100  -6  976  TA2EE R3THJ -12 (x2)
200145  +4 2466  R3THJ OE7LVI JN57
200300 -11  976  OE7LVI R3THJ -07
200315  +1 2466  R3THJ OE7LVI R-11 (x2)
200400 -16  977  CQ R3THJ LO16 (x3)
200530  -7  976  OK2BRV R3THJ R-14
200630  -7  976  DH0GBC R3THJ R-15 (x2)
201115 -10 1827  UN3P R3THJ 73

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.

Explore CW reception at SO8OO

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