YB4KAR — FT8 station from Indonesia

Indonesia Grid: LO43

Amateur radio station YB4KAR operating from Indonesia (grid square LO43). 180 FT8 spots received at SO8OO WebSDR, 81 CQ calls, active on 20m, 10m, over 9 days, best SNR +18 dB. Heard between 2026-05-10 and 2026-06-13.

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Overview

180
Total spots
81
CQ calls
9
Days active
-9 dB
Avg SNR

Bands

20m 10m
First seen: 2026-05-10
Last seen: 2026-06-13 12:47 UTC

Frequent QSO partners observed at SO8OO

Stations YB4KAR worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandYB4KARPartnerPartner SNRMsgs
06-09 14:47 20m +6 / -20 PD1DTH -16 / - 4 Partial
06-09 14:42 20m +8 / - GJ0KYZ - / - 3 Partial
06-09 14:39 20m 0 / - LZ1ST - / -12 3 ✓ Confirmed
06-09 14:37 20m -13 / - 7Q7CT - / -5 2 ✓ Confirmed
06-06 15:16 10m -5 / - SV1AVD - / -13 2 Partial
06-06 14:38 10m -3 / - SV4RRK - / -10 3 Partial
06-06 14:21 10m +8 / - R3DMS - / -16 5 ✓ Confirmed
06-06 14:14 10m -8 / - R6ZAA - / -23 2 Partial
06-06 13:12 10m - / -10 R4WCX -7 / - 2 ✓ Confirmed
06-06 13:05 10m -14 / -15 RZ4FWA -19 / - 5 Partial
06-06 13:00 10m - / -20 DO6SHB -11 / - 3 ✓ Confirmed
06-06 12:57 10m - / -19 IK8FLW -8 / - 2 ✓ Confirmed
06-06 12:54 10m - / - TL8BNW -10 / - 2 Partial
06-06 12:50 10m - / -23 YL3MA -11 / - 8 ✓ Confirmed
06-06 12:48 10m - / -21 SP9IHP -14 / - 2 ✓ Confirmed
06-06 12:43 10m - / -12 YL2CI -17 / - 3 ✓ Confirmed
06-06 12:41 10m - / -20 EB3ECI -17 / - 2 ✓ Confirmed
06-06 12:39 10m -6 / -3 RD7P -22 / -8 4 ✓ Complete
06-06 12:35 10m - / -20 SP2OOO -20 / - 2 Partial
06-06 12:31 10m 0 / - R6DZL - / -9 2 ✓ Confirmed
06-06 12:23 10m - / -4 4L1AX -19 / - 2 ✓ Confirmed
06-06 12:21 10m - / -17 R6ZGS -18 / - 2 ✓ Confirmed
06-06 12:08 10m - / -17 IU0VOG -15 / - 2 ✓ Confirmed
06-06 12:03 10m - / -19 DV7EWY -10 / - 2 ✓ Confirmed
06-06 12:02 10m +17 / -13 UA6YW -12 / -7 4 ✓ Complete
06-06 11:59 10m - / -13 EU1FQ -20 / - 2 ✓ Confirmed
06-06 11:56 10m -8 / - R4AC -22 / -9 4 ✓ Verified
06-06 11:53 10m - / -18 F6CEE -11 / - 2 ✓ Confirmed
06-06 11:52 10m - / -9 EA1B -12 / - 2 ✓ Confirmed
06-06 11:51 10m -16 / -23 UA6HI -12 / -12 4 Partial
06-06 11:51 10m - / -22 UA6J -12 / - 2 ✓ Confirmed
06-06 11:49 10m -4 / -14 RA6AR -12 / -19 3 ✓ Complete
06-06 11:05 10m - / -15 IZ4ORF -16 / - 2 ✓ Confirmed
06-06 11:04 10m - / -19 EA5AJX -12 / - 2 ✓ Confirmed
06-06 10:53 10m - / - UT7EM -22 / - 2 ✓ Confirmed
06-02 23:46 20m -2 / - EB7HQE - / -11 2 Partial
06-02 23:16 20m -8 / - R5AV - / -11 2 ✓ Confirmed
06-02 23:04 20m +5 / -14 IU3QWQ -17 / - 4 ✓ Verified
06-02 23:03 20m -6 / - SV8IIQ -15 / -16 4 ✓ Verified
06-02 22:58 20m -1 / - SV9TLU -16 / -20 3 Partial
05-27 20:52 20m +9 / - MW0HID - / -24 3 ✓ Confirmed
05-26 16:37 20m -6 / - RZ4FWA - / - 2 Partial
05-26 16:33 20m +1 / - TA2HTU - / - 2 Partial
05-26 16:26 20m -2 / - F4LQJ - / - 2 Partial
05-26 16:14 20m -14 / - F6IQA - / - 2 Partial
05-26 16:11 20m -9 / - F4JVF - / -16 5 ✓ Confirmed
05-25 15:11 20m +3 / - IU8UOQ - / - 7 Partial
05-25 15:08 20m - / -19 W7LDE -18 / - 2 ✓ Confirmed
05-23 14:46 20m -12 / - PD4WAC - / - 4 Partial
05-23 14:27 20m -9 / - PD4WAC - / - 4 Partial

Station Log

20m 
UTC    dB  Freq  Message
143730 -16 1288  YB4KAR 7Q7CT RR73
143930  -5 2318  YB4KAR LZ1ST KN21 (x3)
144230  +3  925  YB4KAR GJ0KYZ IN89 (x3)
144645 -17 1914  CQ YB4KAR OI25
144700 +12 2317  YB4KAR PD1DTH JO32 (x3)
144845 -16 1914  PD1DTH YB4KAR -20
145115 -18 1914  YM1KSR YB4KAR OI25
145630 -22 1914  YB4KAR DK9ZQ JO41
144715  +0  985  YB4KAR R4HEN LO43
10m 
UTC    dB  Freq  Message
140815 -24 1677  CQ YB4KAR OI25                        a1
141115 -23 1676  EA4MF YB4KAR RR73
141145 -22 1676  CQ YB4KAR OI25
141400  -5 1676  YB4KAR R6ZAA KN98 (x2)
142130 +11 2034  YB4KAR R3DMS KO85 (x5)
143800  +0 1652  YB4KAR SV4RRK KM09 (x3)
151600  -4 1269  YB4KAR SV1AVD KM17 (x2)

SNR History by Band