Special Notice

Regarding Ad Pop-up Issues

Recently, some hams have reported occasional ad pop-ups when using the Ham Assistant APP. We would like to clarify the following:

Ham Assistant is a radio amateur auxiliary query system completely independently developed by Chinese amateur radio operator BH9BJZ!

The Ham Assistant website does not have any ad plugins, and the Ham Assistant APP is a 100% pure package with no embedded plugins.

Reason for ad pop-ups: The ad pop-ups that some hams encounter when using the Ham Assistant APP are caused by DNS hijacking by their network service provider. This is characterized by: when using mobile data on your phone, whether using a browser or APP, there are almost no illegal ads, but when using WiFi, you may occasionally encounter ad pop-ups from unknown sources. DNS hijacking is common when our WiFi routers use the default network operator DNS...

Knowledge: How to solve DNS hijacking

Solutions to DNS hijacking:

Use a secure public DNS server instead of the default DNS server provided by your network service provider. This can also permanently solve the problem of inexplicable ad pop-ups on your mobile phone. For specific methods, you can search for keywords such as "DNS hijacking", "DNS pollution", and "modify router DNS server" on Baidu...