R7TW — 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: European Russia Most frequent locator attributed to this token: LN14

Receiver-side FT8 activity involving R7TW, decoded by SO8OO in southeastern Poland. 19 FT8 messages attributed to this token as transmitter, on 40m, across 4 UTC dates in the available aggregate history. Observed between 2026-10-28 and 2026-11-05.

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 19 FT8 messages attributed to R7TW as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). In this small sample, the estimated median decoder S/N was -10 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-10 dB

Estimated median S/N

Bands

40m · 19

First attributed message: 2026-10-28
Last attributed message: 2026-11-05 04:17 UTC

Observed FT8 message patterns

Attributed sample: 19 messages
Active dates: 4 UTC dates
Estimated median S/N: -10 dB
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1, moderate (-15 to -9 dB) 13, 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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with R7TW in decoded directed-looking exchanges:

DJ0MAB · Fed. Rep. of Germany F1IQH · France HA7TM · Hungary R2EA · European Russia R6FMK · European Russia RA9CUU · Asiatic Russia RV9UNK · Asiatic Russia UA3GJM · European Russia UB4FGK · European Russia YC2BUZ · Indonesia

Most frequent locator attributed to R7TW

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: LN14 · 9 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,705 km (approx.)
Last such locator decoded: 2026-11-05 04:17 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	R7TW S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-05 04:16	40m	-12 / -10	DJ0MAB	+11 / -	4	✓ Closing observed
11-05 04:15	40m	-10 / -11	F1IQH	-6 / -11	4	✓ Full exchange observed
11-01 16:20	40m	- / -1	RK6MC	-7 / -	2	Partial capture
11-01 16:19	40m	-8 / -	RA9CUU	- / +1	2	✓ Closing fragment
11-01 16:19	40m	- / -	9A3K	+24 / -	4	Partial capture
11-01 16:18	40m	- / -	R2EC	-2 / -	3	Partial capture
11-01 16:14	40m	- / -8	RM5F	-7 / -	3	Partial capture
10-31 05:20	40m	- / -	UA3LRN	-8 / -	2	Partial capture
10-31 05:16	40m	- / -	R6FMK	-6 / -	2	✓ Closing fragment
10-31 05:15	40m	- / -	RD3FY	-6 / -	2	Partial capture
10-31 05:13	40m	- / -16	RM5C	-14 / -	3	Partial capture
10-31 05:13	40m	- / -15	UA4POO	-22 / -	5	Partial capture
10-31 05:12	40m	- / -10	R2EA	-8 / -	2	✓ Closing fragment
10-30 15:55	40m	- / -	R2BPS	-16 / -	2	Partial capture
10-30 15:54	40m	- / -	DH2NJS	-6 / -	10	Partial capture
10-30 15:53	40m	- / -	R6DZR	-12 / -	2	Partial capture
10-30 15:52	40m	-12 / -	YC2BUZ	- / -22	4	✓ Closing fragment
10-30 15:51	40m	- / -	DL1BBO	-2 / -	11	Partial capture
10-28 12:35	40m	- / -	9A4ZM	-10 / -	2	Partial capture
10-28 12:33	40m	- / 0	UB4FGK	-22 / -	2	✓ Closing fragment
10-28 12:23	40m	- / -	OE8PIT	+3 / -	3	Partial capture
10-28 12:21	40m	- / -12	HA7TM	+12 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
162115 +23 2740  R7TW 9A3K JN65
041000 -10  441  DL1MSL/T R7TW LN14
041145 -14 2406  R7TW RV9CX -03
041300  -4  441  CQ R7TW LN14
041315  +0  682  R7TW SV2AOB KN10
041500 -10  441  CQ R7TW LN14
041515  -7  442  R7TW F1IQH JN27
041530 -11  441  F1IQH R7TW -11
041545  -4  441  R7TW F1IQH R-11
041600  -9  441  F1IQH R7TW RR73
041615 +10  441  R7TW DJ0MAB JN49 (x2)
041700 -12  441  DJ0MAB R7TW RR73
041715 +10  441  R7TW DJ0MAB 73
041730  -3  441  CQ R7TW LN14

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

CW history is temporarily unavailable.

Explore CW reception at SO8OO

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