vers. 10 Mar 2021 - beta

Skip Navigation Links > Home

Welcome to

Even more languages

After Bulgarian, Catalan, Dutch and Svedish now also Romanian language has been added. Many thanks to LZ1VKI, EA3W, PD9DP, SA6WAL, YO2OS

Help us to translate

We're looking for translators. Let's make available to everyone in the world!
Click on Contact us to translate
read more news ...


If you are a member, sign in to your account.

Create an account.

If you aren't a member and you want to store here your logbook, create your account.

Search your QSO.

If you want to find your QSO in the logbooks stored here or view your "Instant QSL" collection, enter your callsign:

log to search (leave blank for all):

Current activity
Last QSO (more QSO...)
RC7LS HI3AA 15:27FT8 
R9WG 4Z5ML 15:27FT8 
9A6ZB KE3GK 15:26FT8 
BG2ATH D1NVG 15:26FT8 
SQ9ENH R1BEO 15:26FT8 
YD0YNI/8 YC1BEI 15:26FT8 
W6AWD WB7CYO 15:26FT8 
R2APU RL60YG 15:26FT8 
Top users (last week)
DL9DAC Max distance94,189
IK4LZH Numbers of QSO2,102
KP2B Sum distance8,559,099
M0RTP Number of countries119
R2AAR Best QSL card5
Contest (more info...)
THE HOLYLAND DX from 16 Apr 21:00
TARA Skirmish from 17 Apr 00:00
CQMM DX from 17 Apr 12:00
EU Sprint Spring SSB from 17 Apr 16:00
Feld Hell Sprint from 17 Apr 20:00
DCI Speed from 18 Apr 08:00

Last QSO map (last 1 hour)


Callsign search



Welcome to ON4DS
SP3Q: Just reached 136 countries worked!


  • We have 10895 users online
  • On Air users: 440
  • Registered users: 60,420
  • Unique visitors: 56,140,657
  • QSO stored: 221,455,237
  • DB size: 89382.25 MB
  • QSO/H: 1755
  • Queue size: 0

This server is hosted in a commercial data center. Support the costs and the future development!

or advise your product.

Server monitor