W4UM — FT8 station from United States

United States Grid: ?

Amateur radio station W4UM operating from United States. 40 FT8 spots received at SO8OO WebSDR, active on 160m, 60m, 20m, over 6 days, best SNR +16 dB. Heard between 2026-04-26 and 2026-07-24.

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

Overview

Total spots

CQ calls

Days active

-4 dB

Avg SNR

Bands

60m 20m 160m

First seen: 2026-04-26
Last seen: 2026-07-24 21:38 UTC

Frequent QSO partners observed at SO8OO

Stations W4UM worked most often, as logged from our receiver:

W0OVX · United States US2YW · Ukraine OJ0Z · Market Reef DH5YBE · Fed. Rep. of Germany VE7LGP · Canada KB2KBC · United States DD7EE · Fed. Rep. of Germany T22TT · Tuvalu UW8SM · Ukraine N5TLH · United States OJ0MN · Market Reef 3G0Z · Juan Fernandez Islands

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	W4UM	Partner	Partner SNR	Msgs
07-24 23:38	60m	-12 / -19	DD7EE	-10 / -8	4	✓ Complete
07-10 01:54	20m	- / -3	W0OVX	-10 / -	2	✓ Confirmed
07-10 01:52	20m	- / -9	UW8SM	-8 / -	2	✓ Confirmed
07-10 01:51	20m	- / -13	T22TT	-8 / -	2	✓ Confirmed
06-05 01:27	60m	- / -	KB2KBC	+2 / -	2	✓ Confirmed
06-05 01:25	60m	- / -9	3G0Z	+1 / -	2	✓ Confirmed
06-03 00:42	60m	-4 / -17	OJ0Z	-3 / +2	5	✓ Complete
06-02 01:53	60m	- / -15	ON1JP	+2 / -	2	✓ Confirmed
06-02 01:52	60m	-10 / -4	F4FPR	+3 / -	3	✓ Verified
06-02 01:50	60m	-14 / -18	OJ0MN	+3 / -	4	✓ Verified
05-15 22:21	20m	-2 / -	UR5QW	- / -6	3	Partial
05-15 22:20	20m	- / -4	US2YW	-3 / -	2	✓ Confirmed
05-15 22:18	20m	- / -11	G5IAN	+3 / -	3	Partial
05-15 22:16	20m	-10 / -	SV1HFE	- / -	2	Partial
05-15 22:15	20m	- / -13	DH5YBE	+4 / -	2	✓ Confirmed
05-15 22:15	20m	-16 / -16	EA4HTI	+6 / -13	4	Partial
05-15 22:14	20m	+12 / -16	UR5QW	0 / -6	7	Partial
05-15 22:13	20m	- / -9	4Z1GY	0 / -	2	✓ Confirmed
05-15 22:13	20m	-6 / -	SV1HFE	- / -	2	Partial
05-15 22:12	20m	- / -18	DL7ARV	-2 / -	2	✓ Confirmed
05-15 22:11	20m	- / -23	VE7LGP	-3 / -	3	✓ Confirmed
05-15 22:09	20m	-13 / -11	JY5IB	-3 / -10	2	Partial

Station Log

60m

UTC    dB  Freq  Message
015345  -1  854  ON1JP W4UM 73
015445  +0  854  W4EBB W4UM +02
004215  -1  854  OJ0Z W4UM EL97
004230  -4 1115  W4UM OJ0Z +02
004245  -5  853  OJ0Z W4UM R-17
004300  -3 1114  W4UM OJ0Z RR73
004315  -2  854  OJ0Z W4UM 73
012545  +1  695  3G0Z W4UM R-09 (x2)
012745  +3  695  KB2KBC W4UM +00 (x2)
233800 -10  870  DD7EE W4UM -19
233815  -9 1251  W4UM DD7EE R-08
233830 -11  870  DD7EE W4UM RR73
233845 -14 1251  W4UM DD7EE 73

20m

UTC    dB  Freq  Message
221915  +2  760  G5IAN W4UM R-11 (x2)
222045  -3  760  US2YW W4UM -04 (x2)
222130  -1 2590  W4UM UR5QW -06 (x3)
222245  +0  760  DL3MIB W4UM RR73
015115  -7  854  T22TT W4UM R-13 (x2)
015245  -9  854  UW8SM W4UM -09 (x2)
015415 -11  854  W0OVX W4UM R-03 (x2)
015545  -9  854  N5TLH W4UM 73