LINKS

 Amateur Radio

• AE7Q - Extra Class Callsign Query Tools

• ARRL - American Radio Relay League

• FCC ULS - Management of FCC Licenses

• radioQTH - Information Regarding Vanity Callsigns

• QRZ - Amateur Radio Forum and Data

Astronomy

• APOD - Picture of the Day

Surgery

• Breast Cancer Risk Assessment Tool 

• Cancer PDQ - Cancer Information

• Maryland Board of Physicians Lookup - License Profile Search

• MyCME - Continuing Medical Education Log for Surgeons

• NPIdb - NPI Lookup from the NPI Registry

• OpenPayments - Financial Transparency Tool 

• Surgical Risk Calculator 

• UpToDate - Medical Reference

Miscellaneous 

• American Science and Surplus

• Copy Paste Character - Useful Characters

• Photopea - Online Image Editor

• SheetzBox - Free Piano Sheet Music

• WidgetSupply - Hobby Tools & More