462.9375 is an interesting channel

https://fjallfoss.fcc.gov/General_Menu_Reports/engineering_search_out.cfm?service_select=%25&accessible=NO&state_select=&begin_freq=462.9375&begin_freq_type=M&end_freq=&end_freq_type=M&polar=B&radio_ch0=P&lat_ddd=&lat_ddd_cfforminteger=Latitude+degrees+must+be+numeric.&lat_mm=&lat_mm_cfforminteger=Latitude+minutes+must+be+numeric.&lat_ss=&lat_ss_cfformnumeric=Latitude+Seconds+must+be+numeric.&ns_radio_ch1=N&lon_ddd=&lon_ddd_cfforminteger=Longitude+degrees+must+be+numeric.&lon_mm=&lon_mm_cfforminteger=Longitude+minutes+must+be+numeric.&lon_ss=&lon_SS_cfformnumeric=Longitude+seconds+must+be+numeric.&ew_radio_ch1=W&radius=&Radius_cfformnumeric=Radius+must+be+numeric.&distance_type=&lat_ddd2=&lat_mm2=&lat_ss2=&ns_radio_ch2=&lon_ddd2=&lon_mm2=&lon_ss2=&ew_radio_ch2=&soundex_select=&wild_select=on&begin_grant_date=&end_grant_date=&begin_expiration_date=&end_expiration_date=&sortstring=%2C+lic_name%2C+file_num&limit_select=4

there are both PW and IG licenses on this freq

for PW - seems to be mostly medical

for IG - I see private prison and cruise ship terminal etc