This tool generates a DHCP Option containing Location Configuration Information (LCI, often referred to as geolocation data) according to RFC 6225 (and the obsolete RFC 3825). It generates both the DHCPv4 GeoConf Option (code 123) and GeoLoc Option (code 144). This tool makes it easier to generate the binary format data that the options require. Even though not all DHCP servers support RFC 6225 directly, many do have a means of including the data in a "raw" format for their responses. This tool generates configuration for ISC dhcpd and dnsmasq.
The latitude should be specified in degrees North of the equator (use negative values for South) and the longitude should be specified in degrees East of the Prime Meridian (use negative values for West).
The RFC 6225 Geolocation Generation Tool is Copyright 2010, 2019 Dean Scarff.
You can express the degrees in degrees-minutes-seconds notation rather than decimal; use a space or ° after the degrees, an apostrophe (') after the minutes, and a quote (") after the seconds, e.g.
38 53' 51.5292".