OE3DXA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Austria Most frequent locator attributed to this token: JN88

Receiver-side FT8 activity involving OE3DXA, decoded by SO8OO in southeastern Poland. 2,271 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 67 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-10-05.

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 2,271 FT8 messages attributed to OE3DXA as the transmitting token by decoded message structure across 67 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (70%), followed by 80 m (12%) and 60 m (10%). The busiest six-hour window was 12:00-18:00 UTC, containing 46% of decodes. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (77%); the estimated median was +1 dB.

Overview

2,271

Messages attributed

UTC dates decoded

399

Active 15-min windows

+1 dB

Estimated median S/N

Bands

160m · 26 80m · 275 60m · 238 40m · 1,601 20m · 68 10m · 63

First attributed message: 2026-06-07
Last attributed message: 2026-10-05 05:04 UTC

Observed FT8 message patterns

Attributed sample: 2,271 messages
Active dates: 67 UTC dates
Estimated median S/N: +1 dB
Estimated 10th-90th percentile: -14 to +15 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 156, moderate (-15 to -9 dB) 369, strong (≥ -8 dB) 1,746.

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 OE3DXA in decoded directed-looking exchanges:

SQ8AA · Poland ×4 DN9BT · Fed. Rep. of Germany ×2 OZ1KZX · Denmark ×2 LY5A · Lithuania ×2 PE1NLK · Netherlands ×2 R70OBN · European Russia ×2 DC1SN · Fed. Rep. of Germany ×2 DL9KM · Fed. Rep. of Germany ×2 F4GHN · France ×2 GM1TGY · Scotland ×2 HB9DLT · Switzerland ×2 UT7NI · Ukraine ×2

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 OE3DXA

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: JN88 · 426 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 383 km (approx.)
Last such locator decoded: 2026-10-05 05:03 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	OE3DXA S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-05 05:02	80m	+9 / -3	GW4HZA	-8 / -1	7	✓ Full exchange observed
10-05 04:59	80m	+12 / -	RO2E/M	- / -25	2	Partial capture
10-05 04:57	80m	+12 / -	YV6BXN	- / -15	3	✓ Closing fragment
10-05 04:55	80m	+13 / -	WE0D	- / -15	5	✓ Closing fragment
10-05 04:52	80m	+13 / +8	LY5A	+6 / +3	5	✓ Full exchange observed
10-04 17:19	40m	+5 / -9	PD0DEX	-2 / -3	4	✓ Full exchange observed
10-04 13:29	40m	+4 / -	G3VCQ	- / -8	2	✓ Closing fragment
10-04 13:28	40m	+1 / +8	OK1DXR	-8 / +10	4	✓ Full exchange observed
10-04 13:17	40m	-3 / -	IK1MJK/P	- / -3	3	Partial capture
10-04 13:16	40m	+4 / -5	EW8R	-8 / -7	4	✓ Full exchange observed
10-03 17:04	10m	- / -	CS7CDZ	-16 / -	2	✓ Closing fragment
10-03 03:51	60m	-17 / -	9T0MD	- / -21	7	✓ Closing fragment
10-03 03:46	60m	-22 / +10	YO4BEW	-20 / +5	5	✓ Full exchange observed
10-03 03:44	60m	-20 / -	VE3EY	-19 / -6	3	✓ Closing observed
10-03 03:43	60m	-20 / -	F5OAM	- / -	2	Partial capture
10-02 17:31	40m	+9 / +2	S52CQ	-8 / -10	4	✓ Full exchange observed
10-02 07:55	40m	-1 / -	IU0RER	- / -6	2	✓ Closing fragment
10-02 07:52	40m	-4 / -	IQ9SZ/7	- / +6	2	Partial capture
10-02 04:58	60m	+19 / -	HI3RRR	- / -	5	Partial capture
10-02 04:57	60m	+21 / +6	LZ9DX	-18 / +2	5	✓ Full exchange observed
10-02 04:52	60m	+19 / -	K5SRT	- / -23	8	✓ Closing fragment
10-01 04:47	160m	-8 / -	PJ2/W4IPC	- / -	4	Partial capture
10-01 04:41	160m	+3 / -	PJ2/W4IPC	- / -	9	Partial capture
09-30 17:45	60m	+1 / +1	SP3AVS	-20 / -8	5	✓ Full exchange observed
09-30 17:40	60m	+7 / +7	HB9CZF	+3 / +3	4	✓ Full exchange observed
09-30 17:39	60m	+12 / -	F4FVW	-18 / -19	4	✓ Closing observed
09-30 17:38	60m	+13 / -5	G0AZH	-5 / -5	6	✓ Full exchange observed
09-30 17:35	60m	+9 / -	4X5MZ	-1 / +3	4	✓ Closing observed
09-30 17:33	60m	+7 / -4	DL9KM	-16 / -6	5	✓ Full exchange observed
09-30 17:32	60m	+9 / -	OE5YCP	- / -14	3	✓ Closing fragment
09-30 17:30	60m	+9 / +3	PE1PGA	-12 / -13	5	✓ Full exchange observed
09-29 04:55	60m	+6 / -11	EA1AXX	-13 / -9	6	✓ Full exchange observed
09-29 04:54	60m	0 / -1	SQ8AA	-6 / +6	5	✓ Full exchange observed
09-29 04:54	60m	+2 / -11	ON6MVR	-12 / -	3	✓ Closing observed
09-29 04:53	60m	0 / -	HA2EOU	- / -8	2	✓ Closing fragment
09-28 17:43	60m	+10 / -14	HB9EMX	-7 / +7	5	✓ Full exchange observed
09-28 17:32	60m	+4 / -	HB9EMX	- / +7	3	Partial capture
09-28 17:30	60m	+8 / -	DL1AWD	- / -	2	Partial capture
09-28 14:33	40m	+3 / -	ON8WR	- / -12	2	✓ Closing fragment
09-28 14:32	40m	+5 / -	RV9WJP	- / -14	2	Partial capture
09-28 14:31	40m	+2 / -	IZ7NLJ	-2 / -	3	✓ Closing observed
09-28 14:30	40m	+2 / 0	SP2EOE	-3 / +10	4	✓ Full exchange observed
09-28 14:24	40m	-3 / +3	IN3JRZ	-10 / +10	5	✓ Full exchange observed
09-28 14:23	40m	+5 / -	DL7GCW	-4 / -	4	✓ Full exchange observed
09-28 14:22	40m	+7 / -	DF4JY	- / -18	2	✓ Closing fragment
09-28 14:21	40m	+8 / -	OZ2BX	-13 / -	3	✓ Closing observed
09-28 14:18	40m	+3 / -24	F4GHN	-8 / -	5	✓ Full exchange observed
09-28 14:17	40m	+12 / -9	DG7RBV	-6 / +8	4	✓ Full exchange observed
09-28 14:16	40m	0 / -3	PA2RIC/P	-21 / -	2	✓ Closing observed
09-28 14:12	40m	-2 / -	PA2RIC/P	- / -6	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
045600 +13 2356  WE0D OE3DXA R-15 (x3)
045745 +11 2357  YV6BXN OE3DXA JN88 (x3)
045945 +12 2357  RO2E/M OE3DXA JN88 (x2)
050200 +11 2357  GW4HZA OE3DXA JN88 (x3)
050345 -10  443  OE3DXA GW4HZA -03
050400  +9 2357  GW4HZA OE3DXA R-01
050415  -6  443  OE3DXA GW4HZA RR73
050430 +10 2357  GW4HZA OE3DXA 73

40m

UTC    dB Audio  Message
131645  -6  619  OE3DXA EW8R 73
131700  -5 1225  IK1MJK/P OE3DXA -03 (x3)
132815  +0 1335  OK1DXR OE3DXA +10
132830  -4 1335  OE3DXA OK1DXR R+08
132845  +2 1335  OK1DXR OE3DXA RR73
132900 -11 1335  OE3DXA OK1DXR 73
132915  +4  841  G3VCQ OE3DXA -08 (x2)
171945  +4  612  PD0DEX OE3DXA -03
172000  -1  612  OE3DXA PD0DEX R-09
172015  +6  611  PD0DEX OE3DXA RR73
172030  -3  612  OE3DXA PD0DEX 73
172215  +5 2160  II4NTTI OE3DXA -06

10m

UTC    dB Audio  Message
133100  -4 2909  OE3DXA OZ1KZX 73
171945 -16 1309  OE3DXA IK0QKN R-07
171045 -22 1782  OE3DXA F6EWW 73
124700  -5  728  OE3DXA DL750RTG R+04
131015  -9 1356  OE3DXA DN9CHV -01 (x2)
131215  -2 1355  OE3DXA DN9BT JO40 (x5)
080300 -16 1029  OE3DXA EN35UKR R+01
122115 -17 2385  OE3DXA RU3UR R+18
170415 -16 1096  OE3DXA CS7CDZ +12 (x2)

60m

UTC    dB Audio  Message
034500 -18 1897  VE3EY OE3DXA -06 (x2)
034645 -21 1866  YO4BEW OE3DXA JN88
034700 -21 1515  OE3DXA YO4BEW +10
034715 -21 1865  YO4BEW OE3DXA R+05
034730 -19 1515  OE3DXA YO4BEW RR73
034745 -24 1865  YO4BEW OE3DXA 73
034845 -24 1865  9T0MD OE3DXA JN88 (x8)

160m

UTC    dB Audio  Message
043130  -3 2833  F4GGJ OE3DXA JN88 (x2)
044100  +4 2612  PJ2/W4IPC OE3DXA JN88 (x13)

20m

UTC    dB Audio  Message
104615  +2  879  EA2EED OE3DXA RR73
104700  +6  805  GM0NMQ OE3DXA -11 (x2)
070830 -11  760  OE3DXA R3KLE R-04 (x2)
054300 -18 1676  OE3DXA <...> R+16
093345  +7  725  EG1UME OE3DXA -09 (x2)
051230 -13 2429  OE3DXA LY5A R+01 (x2)
064000 -19 1649  OE3DXA DB1BAC/P 73
064715  -2 1370  OE3DXA DL75WAU R+09
064745 -17 1421  OE3DXA RD3FY KO85 (x3)

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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