SP2DDV — 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: Poland Most frequent locator attributed to this token: JO83

Receiver-side FT8 activity involving SP2DDV, decoded by SO8OO in southeastern Poland. 27 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, across 7 UTC dates in the available aggregate history. Observed between 2026-08-31 and 2026-11-04.

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 27 FT8 messages attributed to SP2DDV as the transmitting token by decoded message structure across 7 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (41%), followed by 40 m (26%) and 160 m (22%). Several six-hour UTC windows tied for the largest share (70%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-15 dB

Estimated median S/N

Bands

160m · 6 80m · 3 60m · 11 40m · 7

First attributed message: 2026-08-31
Last attributed message: 2026-11-04 14:49 UTC

Observed FT8 message patterns

Attributed sample: 27 messages
Active dates: 7 UTC dates
Estimated median S/N: -15 dB
Estimated 10th-90th percentile: -20 to -5 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 13, moderate (-15 to -9 dB) 9, strong (≥ -8 dB) 5.

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 SP2DDV in decoded directed-looking exchanges:

OH3NXW · Finland SP2FWC · Poland SP3BPU · Poland CS8ABF · Azores ON1JP · Belgium Z62NS · Republic of Kosovo 4U1A · Austria 9A4ZM · Croatia DL6ZXG · Fed. Rep. of Germany IT9ILM · Sicily IW2CAK · Italy IZ4JMA · Italy

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 SP2DDV

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: JO83 · 7 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 515 km (approx.)
Last such locator decoded: 2026-11-04 14:49 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	SP2DDV S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-01 18:02	60m	- / -	OH3MB	-14 / -	2	✓ Closing fragment
11-01 17:59	60m	- / -	OH3MB	-12 / -	2	Partial capture
11-01 17:58	60m	- / -10	SM4TIW	-5 / -	4	✓ Closing fragment
11-01 17:47	60m	- / +2	DL6ZXG	-3 / -	3	✓ Closing fragment
10-16 19:11	60m	- / -4	ON4DS	-5 / -	2	✓ Closing fragment
10-16 19:08	80m	-21 / -	R2EA/P	- / -6	2	Partial capture
10-11 14:57	40m	-14 / -24	Z62NS	-7 / -	4	✓ Closing observed
10-06 20:26	60m	-17 / -	IT9ILM	- / -16	4	✓ Closing fragment
10-06 20:22	60m	-8 / -	OZ5VO	- / -22	3	✓ Closing fragment
10-06 20:21	60m	-15 / -4	9A4ZM	0 / -16	5	✓ Full exchange observed
10-06 20:20	60m	-21 / +4	ON7VZ	-13 / -5	2	Partial capture
10-05 20:22	60m	- / +1	IZ4JMA	-9 / -	2	✓ Closing fragment
10-05 20:21	60m	- / -10	IW2CAK	+4 / -	3	✓ Closing fragment
10-05 19:44	160m	- / -9	SP3BPU	+14 / -	2	✓ Closing fragment
09-25 12:10	40m	-16 / -	SP9GCZ	- / -6	2	Partial capture
09-17 14:41	60m	-19 / -3	4U1A	-6 / -6	3	✓ Full exchange observed
08-31 20:12	160m	-15 / -15	OH3NXW	-9 / +1	7	✓ Full exchange observed
08-31 20:07	160m	-14 / -12	SP2FWC	-3 / -4	4	✓ Full exchange observed
08-31 20:03	20m	- / -7	WB2BIN	-18 / -	2	Partial capture
08-31 20:00	20m	- / -8	CS8ABF	+8 / -	2	✓ Closing fragment
08-27 10:38	20m	- / +2	PA0ARR	-13 / -	3	Partial capture
08-27 10:37	20m	- / -1	F5IXN	-8 / -	2	Partial capture
08-27 10:37	20m	- / 0	ON1JP	-9 / -	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
120730  -7  855  SQ5KB SP2DDV -07
121015 -16 1539  SP9GCZ SP2DDV -06 (x2)
145615  +0  794  HB9ELE SP2DDV JO83
145700 -15 1162  Z62NS SP2DDV JO83
145745  -4 1163  SP2DDV Z62NS -24 (x2)
145900 -13 1163  Z62NS SP2DDV 73
144930  -5 2209  YM7KK SP2DDV JO83

60m

UTC    dB Audio  Message
202800 -13 2196  IT9ILM SP2DDV 73
185315  -1  626  SP2DDV DK1XAM JO42
191130  -6 1342  SP2DDV ON4DS R-04 (x2)
174715  -7 2125  SP2DDV DL6ZXG +02 (x3)
175830  -4 2532  SP2DDV SM4TIW JO79 (x2)
175900 -10 1788  SP2DDV OH3MB KP20
175930  -8 2532  SP2DDV SM4TIW R-10
175930 -14 1787  SP2DDV OH3MB KP20
180000  -4 2532  SP2DDV SM4TIW 73
180200 -14 1788  SP2DDV OH3MB R+20 (x2)

80m

UTC    dB Audio  Message
190845 -19  966  R2EA/P SP2DDV -06 (x2)
190945 -12  958  DL/N0PNG SP2DDV -06

160m

UTC    dB Audio  Message
200745 -12  903  SP2FWC SP2DDV JO83
200800  -7  904  SP2DDV SP2FWC -12
200815 -16  903  SP2FWC SP2DDV R-04
200830  +1  904  SP2DDV SP2FWC RR73
201230 -11 2085  OH3NXW SP2DDV JO83
201245 -10 2182  SP2DDV OH3NXW -15
201300 -13 2085  OH3NXW SP2DDV R+01
201315 -11 2182  SP2DDV OH3NXW -15
201330 -20 2085  OH3NXW SP2DDV R-02
201345  -7 2182  SP2DDV OH3NXW RR73
201400 -17 2182  OH3NXW SP2DDV 73
194400 +14 2061  SP2DDV SP3BPU R-09 (x2)

20m

UTC    dB Audio  Message
103715  -8 1413  SP2DDV ON1JP +00
103715  -8  763  SP2DDV F5IXN JN23
103745  -3 1413  SP2DDV ON1JP +00
103745  -9  763  SP2DDV F5IXN R-01
103815 -12 1413  SP2DDV ON1JP +00
103845 -11  762  SP2DDV PA0ARR +02
103845 -14 1413  SP2DDV ON1JP RR73
103915 -14  762  SP2DDV PA0ARR +02 (x2)
200015  +7 1120  SP2DDV CS8ABF -08 (x2)
200315 -18 1424  SP2DDV WB2BIN -07 (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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee