It appears you're sharing information about a ham radio (amateur radio) contact. Here's a breakdown of what I see:

* "10:23" likely refers to the time of day in 24-hour format, specifically 10 hours and 23 minutes past midnight.

* "JR1WVU/1" is the callsign of an amateur radio operator from Japan (the prefix "JR" indicating the country).

* "/1" might indicate that JR1WVU has a secondary or alternate callsign ("1"), but without more context, this could be interpreted in different ways. In some cases, it signifies operation on a specific band or mode.

* "on JP-1195(Kashiwa no Ha Prefectural Park, JP-CH)" suggests that the contact was made with JR1WVU while they were operating from Kashiwa no Ha Prefectural Park in Japan (with "JP" indicating Japan as the country of operation). The number "1195" likely refers to a specific frequency or band.

* "144023 CW CW" indicates the mode of transmission. "CW" stands for Continuous Wave, also known as Morse code, and specifies that communication was in morse code using continuous waves (not interrupted carrier waves).

* "JCC1217[JR1WVU]" might refer to a log or record of contacts made by JR1WVU, possibly maintained through a service like eQSL or similar online platforms. The "[JR1WVU]" likely indicates that this contact was recorded in the log of JR1WVU.

If you're involved in amateur radio activities, this information is probably part of your logs or communications with other operators.