Barry,

Perhaps you should study what JTAlert can already now provide to you.

• Audio and visual alerts for several alert conditions
• Your Callsign decoded (someone calling you)
• CQ & QRZ
• Wanted Callsign
• Wanted Prefix (by Band/Mode)
• Wanted Grid (by Band/Mode)
• Wanted US State (by Band/Mode)
• Wanted DXCC (by Band/Mode)
• Wanted CQ Zone (by Band/Mode)
• Wanted Continent (by Band/Mode)
• Wanted CQ Marathon (by Band/Mode)

73, Reino oh3mA