It looks like you're referencing a amateur radio transmission!

Here's a breakdown of the information:

* **00:31**: The time of the transmission (in 24-hour format).

* **JP1WAN**: The callsign of the transmitting station, which is an identifier for amateur radio operators in Japan.

* **on JP-1310(Chigasaki Satoyama Prefectural Park)**: The location of the transmitting station. In this case, it's Chigasaki Satoyama Prefectural Park, which is located in Kanagawa prefecture (JP-KN) on Honsyu Island, Japan.

* **7041 FT8**: The operating frequency and mode used by the transmitter. Specifically:

+ **7041**: The frequency of the transmission in kHz (7.041 MHz).

+ **FT8**: The digital mode being used for the transmission.

In summary, this is an amateur radio transmission from JP1WAN, located at Chigasaki Satoyama Prefectural Park in Japan, operating on 7.041 MHz in FT8 mode.