This appears to be a radio communication message in a format used by amateur radio operators. Let's break it down:

* "07:46" is the time of day, indicating that this transmission occurred at 7:46 AM.

* "JS2HYW/2" seems to be the call sign of the transmitting station. In amateur radio, call signs typically consist of a combination of letters and numbers, with the format "country code - class - serial number". Japan's country code is "JA", but in this case, it's "JP-1465", which might refer to a specific region or park. The "/2" likely indicates that this station has a suffix (or suffixes) associated with it.

* "on JP-1465(Owari Koiki Ryokudo Prefectural Park, JP-AI)" is the location where the transmission took place. This appears to be a reference to a specific park in Japan.

Here's what I found out about Owari Koiki Ryokudo Prefectural Park:

* "Owari" seems to refer to Aichi Prefecture.

* "Koiki Ryokudo" is Japanese for "Long-distance Road".

* This appears to be a scenic route or park in Aichi Prefecture, Japan.

The rest of the message describes the transmission characteristics:

* "7004.6 CW RBN 10 dB 28 WPM via BG2TFW-#[BG2TFW-#]"

+ "7004.6" is the frequency on which this transmission took place, in Hertz (Hz).

+ "CW" likely stands for Continuous Wave (a type of Morse code), indicating that this message was transmitted using a simple on-off keying technique.

+ "RBN 10 dB" probably refers to the Received Signal Strength Indicator (RSSI) or signal strength at the receiver, with the value being around -10 decibels. This might be an indication of how strong the transmission was received.

+ "28 WPM" likely indicates the speed at which this message was transmitted in Morse code, with 28 characters per minute.

The final part, "via BG2TFW-#[BG2TFW-#]" , seems to indicate that this transmission occurred through a relay station (in this case, BG2TFW) and uses a specific protocol or prefix (#[BG2TFW-#]) in the message.