The URI to the BamCall Amateur (Ham) Radio Callsign Lookup Web Service is:

http://www.kc4rwf.com/bamcall/bamcall.asmx

The only input parameter is the callsign for which you desire to find an address.

If the address is successfully retrieved, the following table shows the returned dataset:

Position	Field Name	Description
0	CallSign	Callsign of operator
1	FirstName	Operator's first name
2	MiddleInitial	Operator's middle initial
3	LastName	Operator's last name
4	Suffix	Operator's suffix
5	Email	Operator's email address
6	AddressStreet	Operator's street address
7	AddressCity	Operator's city
8	AddressState	Operator's state
9	AddressZip	Operator's zip code
10	AddressPOBox	Operator's PO Box
11	AddressAttentionLine	Operator's attention line
12	OperatorClass	N Novice T Technician G General A Advanced E Extra
13	RegionCode	Operator's Region Code
14	PreviousCallSign	Operator's previous call, if any
15	PreviousOperatorClass	N Novice T Technician G General A Advanced E Extra
16	LicenseID	FCC ID for the license

If no operator is found based on input callsign, an empty dataset it returned.