YB3GEM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Indonesia

Receiver-side FT8 activity involving YB3GEM, decoded by SO8OO in southeastern Poland. 153 related FT8 messages, 1 CQ messages, observed on 40m, 20m, across 10 UTC dates. Heard between 2026-06-06 and 2026-08-21.

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

153
Related messages
1
CQ messages
10
UTC dates heard
-6 dB
Mean decoder S/N

Bands

20m 40m
First seen: 2026-06-06
Last seen: 2026-08-21 14:10 UTC

Frequent QSO partners observed at SO8OO

Stations YB3GEM worked most often, as logged from our receiver:

Activity Heatmap

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 UTCBandYB3GEM S/NCounterpartCounterpart S/NMsgsCapture
08-21 16:09 20m - / - UA6HRB -4 / - 2 Partial capture
08-21 16:06 20m - / - DL1YS +6 / - 3 Partial capture
08-21 16:06 20m - / +5 GJ0KYZ -8 / - 2 Partial capture
08-21 16:05 20m - / - PD1FL -13 / - 2 Partial capture
08-21 16:03 20m - / -11 IU5NRS +13 / - 8 ✓ Closing fragment
08-21 15:58 20m - / +1 DH1PS +10 / - 9 ✓ Closing fragment
08-21 15:55 20m - / - DH1PS -6 / - 2 Partial capture
08-21 15:48 20m - / - DL1UDO 0 / - 3 Partial capture
08-21 15:40 20m -5 / - R2EA/P - / -13 2 ✓ Closing fragment
08-21 15:40 20m - / 0 DL4JCP +4 / - 6 ✓ Closing fragment
08-21 15:38 20m - / - PF26GP -15 / - 3 Partial capture
08-21 15:38 20m -5 / +1 F6BPZ -9 / - 7 ✓ Closing observed
08-21 15:38 20m - / -15 ON6AA +6 / - 4 ✓ Closing fragment
08-21 15:29 20m - / -16 R9FDE -16 / - 5 ✓ Closing fragment
08-21 15:26 20m - / - OK2CNI -6 / - 4 Partial capture
07-23 16:49 20m - / - I7NOT -20 / - 2 Partial capture
07-23 16:22 20m - / -11 F1ODM -14 / - 2 Partial capture
07-23 16:20 20m - / -12 R3BDQ -8 / - 2 Partial capture
07-23 16:06 20m - / - R9FDE -16 / - 2 Partial capture
07-23 15:25 20m - / - YO8DHD -6 / - 2 Partial capture
07-23 15:23 20m - / -14 F1PBZ -6 / - 2 Partial capture
07-23 15:23 20m - / -9 RV3F -13 / - 3 ✓ Closing fragment
07-23 15:16 20m - / -18 ON2JO -17 / - 4 Partial capture
07-23 15:16 20m - / - PE1NZS -11 / - 4 Partial capture
07-23 15:03 20m - / - DM4GG -16 / - 2 Partial capture
07-23 15:02 20m - / - RD6OZ -20 / - 3 Partial capture
07-23 14:52 20m - / - RV3YN -5 / - 3 Partial capture
07-23 14:46 20m - / - DL4JCP -13 / - 2 Partial capture
07-23 14:39 20m - / -11 DL8TV -5 / - 5 Partial capture
07-22 19:13 20m - / - DH1JG -7 / - 8 Partial capture
07-21 21:12 20m - / - PD2ARI -11 / - 7 Partial capture
07-02 22:48 20m - / -16 BG0DLA -6 / - 2 Partial capture
06-30 15:08 20m - / -14 II7WWA -15 / - 2 ✓ Closing fragment
06-19 17:43 20m -15 / - 9K2MP -11 / - 2 ✓ Closing observed
06-06 15:24 20m - / -15 R5AV +8 / - 2 ✓ Closing fragment
06-01 22:04 20m -17 / - JA1LZB - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
160500 +16 2152  YB3GEM IU5NRS R-11 (x2)
160530 -15 1076  YB3GEM PD1FL JO22
160600 +14 2152  YB3GEM IU5NRS R-11
160600 -11 1076  YB3GEM PD1FL JO22
160630  +5  644  YB3GEM DL1YS JO40
160630 +12 2152  YB3GEM IU5NRS 73
160630  -8 1389  YB3GEM GJ0KYZ +05
160700 +10  644  YB3GEM DL1YS JO40
160700  -8 1389  YB3GEM GJ0KYZ +05
160730  +4  644  YB3GEM DL1YS JO40
160800 -16 1389  YB3GEM SP7NC JO91
160930  -5 1390  YB3GEM UA6HRB LN14
161000  -9 1905  YB3GEM DF7II JO62
161000  -4 1390  YB3GEM UA6HRB LN14
40m 
UTC    dB Audio  Message
195500  +7 2893  YB3GEM IQ4JO JN63

Decoder S/N history by band

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