An apparatus for applying a mechanically-releasable balanced compressive load to an assembly such as a compliant electrical connector that electrically connects an electrical device to a first side of a two-sided substrate. Improved SMFD source apparatuses and methods from volatile and non-volatile liquid and solid precursors are disclosed, e. Each center branch member is attached to the front frame and extends from the front frame at a downward and inward angle and connects to a first end of the center frame thereby forming a first Y-joint. The intermediate grounded conductor surrounds the radiation element and the passive element in the notch portion. This attribution of the packet loss is typically determined based on roundtrip delays between sent information and received corresponding acknowledgments, which may be used directly or indirectly, such as by estimating network queuing delays based on the measured roundtrip delays.