PH3A — 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: Netherlands Most frequent locator attributed to this token: JO21

Receiver-side FT8 activity involving PH3A, decoded by SO8OO in southeastern Poland. 125 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 25 UTC dates in the available aggregate history. Observed between 2026-06-07 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 125 FT8 messages attributed to PH3A as the transmitting token by decoded message structure across 25 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (86%), followed by 40 m (14%). Several six-hour UTC windows tied for the largest share (53%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -8 dB.

Overview

125
Messages attributed
25
UTC dates decoded
38
Active 15-min windows
-8 dB
Estimated median S/N

Bands

40m · 18 20m · 107
First attributed message: 2026-06-07
Last attributed message: 2026-10-13 16:26 UTC

Observed FT8 message patterns

Attributed sample
125 messages
Active dates
25 UTC dates
Estimated median S/N
-8 dB
Estimated 10th-90th percentile
-18 to +7 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 25, moderate (-15 to -9 dB) 33, strong (≥ -8 dB) 67.

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 PH3A 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 PH3A

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
JO21 · 52 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,192 km (approx.)
Last such locator decoded
2026-10-13 16:22 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 UTCBandPH3A S/NCounterpartCounterpart S/NMsgsCapture
10-13 16:26 40m - / - DJ0MAB +10 / - 3 Partial capture
10-13 16:25 40m +20 / -8 R3IX +2 / 0 5 ✓ Full exchange observed
10-13 16:22 40m +21 / - ZL1VAH - / -23 6 ✓ Closing fragment
10-13 16:19 40m +6 / - SQ9CXH - / - 2 Partial capture
10-13 16:16 40m +5 / - ZL1VAH - / - 3 Partial capture
10-13 16:15 40m +6 / +7 DJ2MS -8 / -2 6 ✓ Full exchange observed
08-29 06:32 20m - / -14 II7MGBT -4 / - 3 Partial capture
08-29 06:28 20m - / -4 LY5A -14 / - 2 ✓ Closing fragment
08-27 19:17 20m -13 / - RI1FJL - / -17 2 Partial capture
08-25 05:42 20m -4 / - AD9GE - / -12 3 ✓ Closing fragment
08-24 16:52 20m -10 / -15 JN1ILK 0 / -8 5 ✓ Full exchange observed
08-23 18:41 20m - / -11 BG7BMG -16 / - 2 ✓ Closing fragment
08-12 19:24 20m - / -11 OE3MEI -2 / - 4 Partial capture
08-11 16:22 20m -8 / - BA4IAW - / -19 2 Partial capture
08-11 16:21 20m -10 / - BG3NBD - / -20 2 ✓ Closing fragment
08-11 16:17 20m -6 / - BG6TWT - / -14 4 Partial capture
08-03 07:29 20m - / -6 EA5HPF -1 / - 2 ✓ Closing fragment
08-01 07:55 20m -6 / - G4SRT - / -7 2 ✓ Closing fragment
07-27 20:18 20m -14 / - JH5AVM - / - 2 Partial capture
07-27 20:17 20m +2 / - JR1EMO - / - 2 Partial capture
07-27 20:14 20m -2 / - JA4FKX - / -3 3 Partial capture
07-26 09:49 20m - / -11 LB8VE -17 / - 3 ✓ Closing fragment
07-26 09:03 20m - / -13 OK5AW -4 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
162200 +17 2879  ZL1VAH PH3A JO21 (x6)
162530 +18 2879  DS2MGT PH3A 73
162545  +2  738  PH3A R3IX KO76
162600 +19 2879  R3IX PH3A +00
162615  +2  738  PH3A R3IX R-08
162630 +21 2879  R3IX PH3A RR73
162645  +3  738  PH3A R3IX 73
162645 +13 2878  PH3A DJ0MAB JN49 (x3)
20m 
UTC    dB Audio  Message
054200  -4 2634  AD9GE PH3A JO21 (x3)
054330  -6 2023  HA2EOU PH3A JO21
054500  -6 1045  HA3HM PH3A JO21
171845 -13 1754  EA7IEI PH3A JO21
191715 -13  405  RI1FJL PH3A JO21 (x2)
191930 -20 2421  LA5WX PH3A JO21
062800 -15 2441  PH3A LY5A -04 (x2)
063245  -3 2103  PH3A II7MGBT -14 (x3)
144415  +1 2922  OH6DBJ PH3A -15

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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