JA9FFS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: PM86

Receiver-side FT8 activity involving JA9FFS, decoded by SO8OO in southeastern Poland. 120 related FT8 messages, 17 CQ messages, observed on 20m, 10m, across 21 UTC dates. Heard between 2026-05-26 and 2026-08-23.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

120
Related messages
17
CQ messages
21
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-23 19:30 UTC

Activity Heatmap

Locator transmitted by JA9FFS

Approximate centre of PM86, decoded 2026-08-23 21:29 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandJA9FFS S/NCounterpartCounterpart S/NMsgsCapture
08-23 21:29 20m -7 / -14 EA8BYZ 0 / - 4 ✓ Closing observed
08-16 13:55 20m - / -14 UA3FO -10 / - 2 Partial capture
08-07 13:21 20m - / -16 M0IEP -2 / - 2 ✓ Closing fragment
08-07 12:08 20m - / - M0NRH +1 / - 3 Partial capture
08-05 13:40 20m - / -16 GJ0KYZ -6 / - 4 Partial capture
08-01 11:14 20m - / -23 LA8QW 0 / - 4 ✓ Closing fragment
07-26 21:42 20m - / - M7PUC -5 / - 3 Partial capture
07-24 21:36 20m - / -22 IK4OLQ -10 / - 2 ✓ Closing fragment
07-24 21:33 20m - / -16 F4HJN -7 / - 6 ✓ Closing fragment
07-24 21:32 20m - / -7 IK0MIB -14 / - 2 Partial capture
07-24 21:32 20m - / -10 DH0TG -7 / - 2 ✓ Closing fragment
07-24 21:29 20m - / - F4HJN -5 / - 3 Partial capture
07-24 21:27 20m - / -4 IV3DSG -2 / - 2 ✓ Closing fragment
07-24 21:12 20m - / -22 HB9OAU -11 / - 3 ✓ Closing fragment
07-17 12:12 20m - / -17 RW6HP -18 / - 2 Partial capture
07-15 18:12 20m - / -12 OZ1LDO 0 / - 3 Partial capture
07-15 18:08 20m - / - G7LMY -2 / - 4 Partial capture
07-15 18:02 20m - / -8 OE8PIT +5 / - 3 Partial capture
07-15 18:01 20m - / +3 US1VAA +5 / - 3 ✓ Closing fragment
07-15 17:52 20m - / -11 RG2V -18 / - 2 ✓ Closing fragment
07-15 17:51 20m - / -11 PD0GFP -14 / - 2 ✓ Closing fragment
06-18 21:38 20m -16 / -6 IR0RCAG +14 / -16 4 Partial capture
06-18 21:29 20m -10 / - DL1R - / -19 2 ✓ Closing fragment
06-18 21:25 20m -5 / - IQ2DB - / -8 2 Partial capture
06-17 19:52 20m -2 / -12 TJ1GD/P -12 / -8 15 ✓ Full exchange observed
06-12 22:15 20m -18 / -19 DL2FX -17 / -20 6 ✓ Full exchange observed
06-12 22:11 20m -16 / -10 S57ESG +2 / -6 5 ✓ Full exchange observed
06-12 22:11 20m -17 / - IZ8WGR - / -8 2 ✓ Closing fragment
06-12 22:08 20m -17 / - OE3IGU - / -19 3 ✓ Closing fragment
06-12 22:04 20m -17 / - OE4MTI - / -12 2 ✓ Closing fragment
06-12 22:01 20m -14 / -10 IU4RWW -5 / - 4 ✓ Closing observed
06-12 21:54 20m -18 / - 9A5AZK -14 / -7 3 ✓ Closing observed
06-06 22:18 20m -18 / - JY5JA - / - 4 Partial capture
06-06 21:32 20m -13 / -7 9X5KM +2 / -10 8 Partial capture
06-06 21:26 20m -9 / - 9X5KM - / -22 3 Partial capture
06-02 14:12 10m - / -3 7Q8AK -16 / - 2 ✓ Closing fragment
05-31 20:56 20m +2 / - GW5NIC - / - 3 Partial capture
05-31 20:51 20m +2 / - GW5NIC - / - 4 Partial capture
05-31 20:28 20m +1 / - EP2AES - / -18 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
121045  +0 2831  JA9FFS M0NRH JO01
130300 -19 2163  JA9FFS DJ1TU JN48
132145  +0 2841  JA9FFS M0IEP R-16 (x2)
133930 -10 2619  JA9FFS UT4VL -13
135430  -8 2521  JA9FFS IZ4AIF JN54
135500 -11 2333  JA9FFS UA3FO KO94 (x2)
140000 -13 2520  JA9FFS UA6YEX RR73
140000 -15  969  JA9FFS R8ACF LO95
211145  -5 2917  JA9FFS F1PBZ RR73
212900  -5  725  EA8BYZ JA9FFS PM86 (x2)
213015  -1  672  JA9FFS EA8BYZ -14 (x2)
10m
UTC    dB Audio  Message
133700 -15  891  JA9FFS 7Q3AM RR73
141200 -14 2275  JA9FFS 7Q8AK -03 (x2)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.