OK4MM

Czech Republic · EU · cz

Launch HamDXMap

FR | EN

OK4MM

Czech Republic · EU · cz

HAMDXMAP

Launch HamDXMap
Subscribe iCal
What's new

DXPEDITIONS

All expeditions
Statistics
Calendar
Contest calendar

REFERENCES

DXCC Gallery
Callsign search
DX Cluster servers map

GUIDES

Full documentation
DX Cluster guide
DXpeditions guide
MUF / FoF2
Day-Night terminator

REFERENCE

API & data sources
Glossary
Release notes
FAQ

ABOUT THE PROJECT

Get in touch
Privacy Policy
Terms of Service
Donate (Ko-fi)

Open HamDXMap QRZ LoTW · 2025-12-03 LoTW Verified

Callsign Details

Prefix

DXCC Country

Czech Republic

Continent

Locator

JN89MB

Timezone

Europe/Paris

Latitude

49.0417

Longitude

17.0833

CQ Zone

ITU Zone

LoTW Last Activity

December 3, 2025

Location Map

Coordinates are derived from public DX cluster databases and may be approximate.

Click and drag the map to explore nearby areas.

HamDXMap

Explore live propagation maps, DX cluster spots, and real-time tools for contesting. Use the map to visualize contacts around OK4MM and nearby DXCC entities.