Free at RFSee

RFSee contributes to some non-profit activities that have a strong relation to RF and Radio communications. As a result of these activities some free data if available on this website.

Radio Mobile

Data that can be used in combination with Radio mobile can be found at
The Radio Mobile Tutorial and knowledge database is at

The Things Network

TTN Apeldoorn

TTN Apeldoorn is a active comunity on IOT in The Things Network. Various of their activitites are supported by RFSee. The result of this work can be found at