Electrical Fabrication

Board Fabrication

• Electrical Schematics: WhaleTag_v2.2.4_Schematic.pdf
• Gerber Files: Gerber_TagV2p2_PCA
• PCB Bill of Materials: WhaleTag_v2.2.4_BOM.csv

RF Shield Fabrication

Two grounded metal shields encapsulate the audio section of the main board to shield the sensative analog electronics from stray rf noise from the digital sections of the systems. The CAD drawing for these are found at

• shield_bottom.dxf
• shield_top.dxf

Dipole Antenna Fabrication

The following are instructions on how to fabricate a simple stainless steel dipole antenna for use with VHF/APRS and GPS L1 band :

• AntennaFabrication.pdf