PD0RDD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Netherlands Most frequent locator attributed to this token: JO22

Receiver-side FT8 activity involving PD0RDD, decoded by SO8OO in southeastern Poland. 1,765 FT8 messages attributed to this token as transmitter, on 40m, 20m, 10m, across 30 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-09-04.

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 1,765 FT8 messages attributed to PD0RDD as the transmitting token by decoded message structure across 30 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (80%), followed by 40 m (16%) and 10 m (4%). Most decodes (68%) fell within the six-hour window 16:00-22:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -7.2 dB.

Overview

1,765

Messages attributed

UTC dates decoded

331

Active 15-min windows

-7.2 dB

Estimated median S/N

Bands

40m · 278 20m · 1,419 10m · 68

First attributed message: 2026-06-08
Last attributed message: 2026-09-04 18:46 UTC

Observed FT8 message patterns

Attributed sample: 1,765 messages
Active dates: 30 UTC dates
Estimated median S/N: -7.2 dB
Estimated 10th-90th percentile: -18 to +4 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 284, moderate (-15 to -9 dB) 515, strong (≥ -8 dB) 966.

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 PD0RDD in decoded directed-looking exchanges:

DL9KM · Fed. Rep. of Germany ×2 IK4UNQ · Italy ×2 TA4SM · Asiatic Turkey ×2 RX7T · European Russia ×2 EA3IJQ · Spain EB2EMZ · Spain F4HTV · France IK4LZH · Italy MI6YHI · Northern Ireland OD5ZZ · Lebanon OH6FSO · Finland OH7FQH · Finland

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 PD0RDD

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: JO22 · 1,254 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,201 km (approx.)
Last such locator decoded: 2026-09-04 18:46 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	PD0RDD S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-04 18:37	40m	0 / +1	G4MHJ	-13 / -3	5	✓ Full exchange observed
09-04 18:32	40m	-1 / -4	DH5WB	-4 / -11	4	✓ Full exchange observed
09-04 18:24	40m	- / -1	DL6CMF	-4 / -	2	✓ Closing fragment
09-04 18:21	40m	-6 / -19	UG0B	-18 / -17	6	✓ Full exchange observed
09-04 18:18	40m	-4 / -	DC9GT	- / -4	2	Partial capture
09-04 18:09	40m	-8 / -	EI2HF	- / -16	3	✓ Closing fragment
09-04 18:07	40m	-1 / -	HB0/DL5RMH	- / -12	3	Partial capture
09-02 20:52	40m	-2 / -	CN8NS	- / -	2	Partial capture
09-02 20:47	40m	-5 / -	CN8NS	- / -	2	Partial capture
09-02 20:42	40m	-6 / -	OK1WCF	- / 0	2	✓ Closing fragment
08-31 18:47	20m	+8 / -	TA2ECK	- / -	5	Partial capture
08-31 18:42	20m	+3 / -	ZS6MGM	- / -24	4	✓ Closing fragment
08-31 18:28	20m	-2 / -	<...>	- / -	5	Partial capture
08-31 18:16	20m	-2 / -	<...>	- / -	15	Partial capture
08-31 18:08	20m	-4 / -7	EP2AES	-15 / -18	4	✓ Full exchange observed
08-31 18:00	20m	0 / -	A41FA	- / -	2	Partial capture
08-31 17:57	20m	-6 / -	<...>	- / -	5	Partial capture
08-31 17:56	20m	- / -17	F4MUD	-3 / -	6	Partial capture
08-31 17:52	20m	+2 / -	4S6NDB	- / -19	3	Partial capture
08-31 17:48	20m	+2 / -	<...>	- / -	2	Partial capture
08-31 17:42	20m	+10 / -	BD8ABR	- / -22	7	✓ Closing fragment
08-31 17:40	20m	+12 / -	<...>	- / -	5	Partial capture
08-31 17:38	20m	+18 / -	II7MGBA	- / -	2	Partial capture
08-31 17:33	20m	+8 / -	<...>	- / -	8	Partial capture
08-31 17:32	20m	+8 / -	BG0FQU	- / -18	2	✓ Closing fragment
08-31 17:28	20m	+17 / -	II7MGBA	- / -	5	Partial capture
08-31 17:25	20m	+10 / -	BD8ABR	- / -18	6	Partial capture
08-31 17:22	20m	+19 / -	II7MGBA	- / -	3	Partial capture
08-31 17:14	20m	+15 / -	NM3B	- / -	5	Partial capture
08-31 17:06	20m	+7 / -	BD8ABR	- / -	5	Partial capture
08-31 17:04	20m	+3 / -	<...>	- / -	5	Partial capture
08-31 17:03	20m	0 / -	EA8BIA	- / -	2	Partial capture
08-31 16:50	20m	-6 / -	KB1EFS	- / -23	3	✓ Closing fragment
08-31 16:48	20m	-3 / -	NM3B	- / -	3	Partial capture
08-31 16:46	20m	-10 / -15	EX7DY	-19 / -	2	Partial capture
08-31 16:41	20m	-12 / -	VU2KPH	- / -16	7	Partial capture
08-31 16:37	20m	+1 / -	<...>	- / -	3	Partial capture
08-31 16:14	20m	0 / -	R9HEQ	- / -23	4	✓ Closing fragment
08-31 16:06	20m	+2 / -	8Z1IT	- / -	2	Partial capture
08-31 16:03	20m	+2 / -	8Z1IT	- / -	2	Partial capture
08-31 15:24	20m	-6 / -	<...>	- / -	2	Partial capture
08-31 15:20	20m	-4 / -	<...>	- / -	3	Partial capture
08-31 15:13	20m	-4 / -	<...>	- / -19	6	Partial capture
08-31 15:08	20m	-2 / -	YB0KEM	- / -	4	Partial capture
08-31 15:03	20m	-1 / -	<...>	- / -	3	Partial capture
08-31 14:59	20m	0 / -	<...>	- / -	2	Partial capture
08-25 18:37	20m	- / -19	TA2ED	-8 / -	2	Partial capture
08-25 18:24	20m	+9 / -	UR5WCS	- / -2	4	✓ Closing fragment
08-25 18:22	20m	+6 / -	BI4XDT	- / -4	2	✓ Closing fragment
08-25 18:20	20m	+12 / -	EA3CY	-16 / -10	3	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
183800 -13  839  PD0RDD G4MHJ JO01
183815  -1 1239  G4MHJ PD0RDD -03
183830 -14  839  PD0RDD G4MHJ R+01
183845  +0 1238  G4MHJ PD0RDD RR73
183915  -2 1238  CQ PD0RDD JO22 (x8)
184415  -4 2208  PD0RDD G4DBW JO01
184530  -2 1379  CQ PD0RDD JO22                        a1 (x2)

20m

UTC    dB Audio  Message
183445  +9  543  TC30AUG PD0RDD JO22
183615  -2 1616  <...> PD0RDD JO22
184015  +9  541  TC30AUG PD0RDD JO22
184245  -4 1042  ZS6MGM PD0RDD JO22 (x4)
184715 +11  656  TA2ECK PD0RDD JO22 (x5)
185015  +2 1616  <...> PD0RDD JO22 (x3)

10m

UTC    dB Audio  Message
131430  -4 1108  IK4UNQ PD0RDD 73
133330 -15 2009  RW1AI PD0RDD 73
133900 -19 1940  SQ8JI PD0RDD JO22 (x2)
091200  -6  465  OD5ZZ PD0RDD R-13 (x2)
225230 -19 1159  HC7AE PD0RDD JO22
081800  -9 2655  RA1N PD0RDD JO22 (x2)
082230 -23 1464  EU2NS PD0RDD JO22 (x2)
082400 -12  945  SH0JPO PD0RDD JO22 (x2)
082630 -10 1713  YL3QZ PD0RDD JO22
082930 -15 2520  RA1N PD0RDD R-01

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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