YO3HEY — 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: Romania Most frequent locator attributed to this token: KN34

Receiver-side FT8 activity involving YO3HEY, decoded by SO8OO in southeastern Poland. 184 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, across 11 UTC dates in the available aggregate history. Observed between 2026-09-17 and 2026-11-02.

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 184 FT8 messages attributed to YO3HEY 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 60 m (35%) and 80 m (9%). Most decodes (90%) 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 (85%); the estimated median was -5 dB.

Overview

184
Messages attributed
11
UTC dates decoded
36
Active 15-min windows
-5 dB
Estimated median S/N

Bands

80m · 16 60m · 64 40m · 104
First attributed message: 2026-09-17
Last attributed message: 2026-11-02 13:11 UTC

Observed FT8 message patterns

Attributed sample
184 messages
Active dates
11 UTC dates
Estimated median S/N
-5 dB
Estimated 10th-90th percentile
-9 to 0 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 2, moderate (-15 to -9 dB) 25, strong (≥ -8 dB) 157.

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 YO3HEY 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 YO3HEY

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
KN34 · 92 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
721 km (approx.)
Last such locator decoded
2026-11-02 13:11 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 UTCBandYO3HEY S/NCounterpartCounterpart S/NMsgsCapture
11-02 13:10 40m -6 / - UK8FCM - / - 2 Partial capture
11-01 18:46 80m - / -9 YO4NT +6 / - 2 ✓ Closing fragment
11-01 18:43 80m - / - DL6EL +9 / - 3 Partial capture
11-01 18:42 80m - / -7 YO4NT +4 / - 2 ✓ Closing fragment
11-01 18:38 80m -6 / - YO8ROM -3 / -16 4 ✓ Closing observed
11-01 18:35 80m - / -6 DK7ZT 0 / - 4 Partial capture
11-01 18:34 80m - / - OK1UOZ +5 / - 7 Partial capture
11-01 18:33 80m -3 / - R6FX - / -15 2 ✓ Closing fragment
11-01 18:32 80m -7 / -17 IQ4JO +4 / - 3 ✓ Closing observed
11-01 14:04 40m -2 / -15 R7LC 0 / -13 5 ✓ Full exchange observed
11-01 08:18 40m - / -5 YO2CK +2 / - 2 ✓ Closing fragment
11-01 08:15 40m -7 / 0 YO4FJK -12 / - 3 ✓ Closing observed
10-31 16:35 40m -6 / - EX8ABR - / - 5 Partial capture
10-31 16:26 40m -7 / - SM5WXF -14 / -15 5 Partial capture
10-31 16:23 40m - / -21 UA3SCU -17 / - 7 ✓ Closing fragment
10-31 16:12 40m -6 / -14 UA4FEN -13 / -13 2 Partial capture
10-31 16:10 40m -8 / - SP4SKN - / -14 3 ✓ Closing fragment
10-18 11:53 40m -6 / -4 YO3GJE -18 / -12 4 ✓ Full exchange observed
10-01 16:02 40m -2 / -1 YO8RAW +6 / +1 7 ✓ Full exchange observed
09-30 19:08 60m -3 / - DF6WE - / -18 4 Partial capture
09-30 19:05 60m -4 / - YO4BEW - / -19 6 ✓ Closing fragment
09-30 18:59 60m - / -11 PE1NPS -9 / - 6 Partial capture
09-30 18:59 60m - / -17 R3DQT +1 / - 6 ✓ Closing fragment
09-30 18:58 60m - / - DF6WE -12 / - 2 Partial capture
09-30 18:58 60m -6 / - G0AZH -8 / -15 12 Partial capture
09-30 18:58 60m -6 / -12 OE9MDI -8 / -14 5 ✓ Full exchange observed
09-30 18:55 60m -4 / +3 YO2MAX +7 / -12 6 ✓ Full exchange observed
09-30 18:34 60m -2 / - YO2MAX - / - 2 Partial capture
09-30 17:42 60m - / - DL5DQZ +7 / - 5 Partial capture
09-30 17:42 60m 0 / +3 YO2MAX +10 / - 3 ✓ Closing observed
09-30 17:38 60m - / - F5LMJ -12 / - 3 Partial capture
09-30 17:37 60m -4 / -10 PE1MHY -6 / - 3 ✓ Closing observed
09-21 17:52 40m -8 / - YO2LLL - / - 2 Partial capture
09-21 16:09 60m -4 / - YO9IJP - / - 4 Partial capture
09-21 16:06 40m -6 / -13 YO9HP +8 / - 3 ✓ Closing observed
09-20 20:02 80m - / -7 DK7ZT +1 / - 5 Partial capture
09-20 20:00 80m -7 / -12 YO4GIY -4 / -13 3 ✓ Full exchange observed
09-20 19:20 40m -2 / -5 OE3PBS +7 / - 17 ✓ Closing observed
09-20 19:17 40m -6 / - II9IAGM - / -21 3 Partial capture
09-20 18:40 40m - / 0 4O/R2AB +5 / - 3 Partial capture
09-20 17:37 40m - / -15 YO2MTG 0 / - 2 Partial capture
09-20 16:56 40m -10 / -5 YO5EEE -9 / - 2 Partial capture
09-19 17:52 40m -7 / - YO2LZS - / - 2 Partial capture
09-19 17:50 40m -6 / -12 Z34CMF -7 / -11 4 ✓ Full exchange observed
09-19 17:43 40m -6 / - RC2Y -6 / -16 4 ✓ Closing observed
09-19 17:41 40m -10 / -4 OH3MB 0 / -19 5 ✓ Full exchange observed
09-19 14:44 40m -3 / - DJ0MAB -7 / -19 3 Partial capture
09-19 14:44 40m - / - DK1XAM -8 / - 2 Partial capture
09-19 14:40 40m +2 / -5 SQ5ROB -1 / -12 5 ✓ Full exchange observed
09-19 14:39 40m -3 / -2 YO3JW +14 / -9 6 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
081800  -3 1042  YO2MKE YO3HEY KN34
081815  +3 1155  YO3HEY YO2CK -05 (x2)
082015  -6 1945  YO3HEY YO2MKE -07
140345  -3 1043  CQ YO3HEY KN34
140400  +3 1043  YO3HEY R7LC LN08
140415  -3 1043  R7LC YO3HEY -13
140430  +0 1043  YO3HEY R7LC R-15
140445  -2 1043  R7LC YO3HEY RR73
140500  -2 1043  YO3HEY R7LC 73
144030  -3 1043  YO3GJE YO3HEY KN34
190045 -22 1043  CQ YO3HEY KN34                        a1 (x2)
131030  -7 1042  UK8FCM YO3HEY KN34 (x2)
80m 
UTC    dB Audio  Message
183745  +2 1005  YO3HEY OK1UOZ JO70
183800  -9 1004  S50XX YO3HEY RR73
183815  +4 1005  YO3HEY OK1UOZ JO70
183830 -11 1005  YO8ROM YO3HEY KN34
183845  +5 1005  YO3HEY OK1UOZ JO70
183900  -5 1005  YO8ROM YO3HEY R-16
183915  -3 1004  YO3HEY YO8ROM RR73
183930  -3 1005  YO8ROM YO3HEY 73
184200  +5 1729  YO3HEY YO4NT -07 (x2)
184300  +9  829  YO3HEY DL6EL JN57 (x3)
184600  +6 1728  YO3HEY YO4NT -09 (x2)
60m 
UTC    dB Audio  Message
190245  +2 2199  YO3HEY R3DQT 73
190245 -11 1882  YO3HEY PE1NPS R-11
190300  -3 1036  G0AZH YO3HEY -15 (x3)
190500  -6 1036  YO4BEW YO3HEY KN34 (x6)
190800  -3 1036  DF6WE YO3HEY -18 (x4)

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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