YT5DEY — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Serbia Most frequent locator attributed to this token: KN04

Receiver-side FT8 activity involving YT5DEY, decoded by SO8OO in southeastern Poland. 234 FT8 messages attributed to this token as transmitter, on 60m, 40m, 10m, across 5 UTC dates in the available aggregate history. Observed between 2026-07-02 and 2026-09-20.

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 234 FT8 messages attributed to YT5DEY as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (90%), followed by 10 m (6%) and 40 m (5%). Most decodes (100%) fell within the six-hour window 16:00-22:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's moderate S/N range (62%); the estimated median was -11 dB.

Overview

234
Messages attributed
5
UTC dates decoded
27
Active 15-min windows
-11 dB
Estimated median S/N

Bands

60m · 210 40m · 11 10m · 13
First attributed message: 2026-07-02
Last attributed message: 2026-09-20 20:20 UTC

Observed FT8 message patterns

Attributed sample
234 messages
Active dates
5 UTC dates
Estimated median S/N
-11 dB
Estimated 10th-90th percentile
-17 to -7 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 41, moderate (-15 to -9 dB) 146, strong (≥ -8 dB) 47.

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 YT5DEY 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 YT5DEY

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
KN04 · 133 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
608 km (approx.)
Last such locator decoded
2026-09-20 20:18 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 UTCBandYT5DEY S/NCounterpartCounterpart S/NMsgsCapture
09-20 20:16 60m -14 / - AO5PAZ - / -22 8 Partial capture
09-20 20:13 60m -12 / -16 G6PWS -12 / -10 5 ✓ Full exchange observed
09-20 20:11 60m -14 / -16 G0ORC -10 / - 3 Partial capture
09-20 20:09 60m -17 / -9 IK2TPX -15 / -4 2 Partial capture
09-20 20:01 60m -16 / -11 SP3JZR -3 / -9 10 ✓ Full exchange observed
09-20 19:57 60m -10 / -16 ON5PU 0 / -7 6 ✓ Full exchange observed
09-20 19:51 60m -14 / -1 DL7UMA/P -4 / -17 4 ✓ Full exchange observed
09-20 19:38 60m -13 / -4 EA8AIN -20 / -5 5 ✓ Full exchange observed
09-20 19:36 60m -8 / - GX3RAF/P - / -1 2 Partial capture
09-19 21:52 60m -5 / - IU3WNZ - / -15 6 ✓ Closing fragment
09-19 21:52 60m -6 / -9 G0VDE -5 / -9 11 ✓ Full exchange observed
09-19 21:51 60m - / - S57BTI -2 / - 3 Partial capture
09-19 21:48 60m -4 / -18 DH0BRO -6 / -7 8 ✓ Full exchange observed
09-19 21:48 60m - / - OH3GBW -12 / - 3 Partial capture
09-19 21:46 60m -9 / - GX3RAF/P - / - 3 Partial capture
09-19 21:45 60m -10 / - HF40BLP - / - 2 Partial capture
09-19 21:29 60m -11 / - IK8TWV - / - 10 Partial capture
09-19 21:28 60m -12 / -21 MM0HVU -4 / -18 4 ✓ Full exchange observed
09-19 21:25 60m -7 / -12 PE1MHY -8 / -14 4 ✓ Full exchange observed
09-19 21:23 60m -12 / -16 SM7HWD -10 / -11 5 ✓ Full exchange observed
09-19 21:21 60m -10 / - G8CRB - / - 2 Partial capture
09-19 21:19 60m -12 / - IK2TPX -10 / -9 3 Partial capture
09-19 21:16 60m -10 / -17 J48S 0 / -14 11 ✓ Full exchange observed
09-19 21:14 60m -10 / - SQ9ZM - / +2 3 ✓ Closing fragment
09-19 21:05 60m -8 / - SP/N1AH - / - 6 Partial capture
09-19 21:02 60m -12 / - II7IABB - / -11 2 Partial capture
09-19 21:01 60m -14 / - J48S - / - 2 Partial capture
09-19 20:56 60m -12 / - II7IABB - / - 3 Partial capture
09-19 20:50 60m -10 / -20 J48S 0 / -14 8 Partial capture
09-19 20:45 60m -14 / -11 SQ9WRT -6 / -13 7 ✓ Full exchange observed
09-19 20:43 60m -16 / - J48S - / - 4 Partial capture
09-19 20:35 60m -15 / - IZ0AIO - / -13 2 Partial capture
09-19 20:30 60m -16 / -12 HA5LB -14 / -2 5 ✓ Full exchange observed
09-19 20:30 60m -16 / - EA1RT - / -6 3 ✓ Closing fragment
09-19 20:28 60m -11 / -16 DL3RL +7 / +8 4 ✓ Full exchange observed
09-19 20:26 60m - / - PI4TX -7 / - 4 Partial capture
09-19 20:23 60m -10 / - ON7KEI - / - 3 Partial capture
09-19 20:23 60m -10 / -5 SP5JMA +6 / -15 6 ✓ Full exchange observed
09-19 20:22 60m -11 / -20 DL1DOS -3 / -8 6 ✓ Full exchange observed
09-19 20:18 60m -8 / -5 SV1EKI -4 / -3 6 ✓ Full exchange observed
09-19 20:16 60m -14 / -22 S57MPU 0 / +6 7 ✓ Full exchange observed
09-19 20:16 60m -11 / -12 OM5JG +2 / -1 5 ✓ Full exchange observed
09-19 20:11 60m -14 / -5 C31CT -8 / +10 8 ✓ Full exchange observed
09-19 20:09 60m - / - SV1PLH +12 / - 4 Partial capture
09-19 20:05 60m -15 / - TF1EIN -18 / -11 12 ✓ Closing observed
09-19 20:04 60m -11 / -17 SQ9DKS -21 / -21 3 ✓ Full exchange observed
09-19 20:02 60m -18 / -17 DG7AK -3 / - 3 ✓ Closing observed
09-19 20:00 60m -10 / -9 DF6WE -18 / -15 4 ✓ Full exchange observed
09-19 19:59 60m - / - SP6TID +4 / - 6 Partial capture
09-19 19:55 60m -8 / - IZ2JPN - / -20 5 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

60m 
UTC    dB Audio  Message
201215 -14 1107  G0ORC YT5DEY KN04
201315 -13 1622  YT5DEY G6PWS -16
201330 -10 1107  G6PWS YT5DEY R-10
201330 -10  727  YT5DEY G0ORC -16
201400 -13 1107  G6PWS YT5DEY R-10
201415 -11 1622  YT5DEY G6PWS RR73
201430 -13 1107  G6PWS YT5DEY 73
201630 -13 1107  AO5PAZ YT5DEY KN04 (x8)
40m 
UTC    dB Audio  Message
193745  -5 2152  YT5DEY IK1MJK/P -03
014330 +10 1159  YT5DEY UA4FKT LO23 (x4)
014600  -5  658  YT5DEY KP4LCA FK67 (x6)
014830  -8 1796  YT5DEY 9K2WA -12
023315 -20 1692  YT5DEY EA5GKL -26 (x3)
10m 
UTC    dB Audio  Message
170930 -17 1062  PY2DS YT5DEY KN04 (x6)
172800  -6 1060  CQ YT5DEY KN04
173745 -16 1066  YT5DEY R7RAE 73
182815 -20 2118  PY2VET YT5DEY KN04 (x3)
184045 -16 2256  EW6EW YT5DEY KN04
192045 -17 1971  F4JTP YT5DEY KN04
194000 -18 1787  YT5DEY RW3RN -09 (x2)

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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