Radio Amateurs use logbooks (special software), where all QSO’s are logged. The log program contains records of the date and time in UTC, the band (frequency), the Call sign of the contacted station. I show an example of the log book: "HAM Office". My personal webpage: https://Raisa.blog/ Support YL Raisa: ►Patreon: https://www.patreon.com/YLRaisa ►YouTube Memberships: null To watch more recent videos: null My other social media with Ham content: https://www.facebook.com/YLRaisa https://www.instagram.com/ylraisa/ 73&88 and see you On the Air! YL Raisa #R1BIG