Figure 2From: An integrative pharmacological approach to radio telemetry and blood sampling in pharmaceutical drug discovery and safety assessment Antenna Design Progression. Design progression from internal radial windings (a) to outer axial windings forming two half-toroids. (b) Quarter coils with opposing pairs connected (connections not shown). The final design (c) is an approximation to the quarter coils in (b) using commercially available inductors.Back to article page