A radio frequency module comprises an electrical reference, or ground, plane to which one or more RF devices disposed on the module are electrically coupled, and may be disposed beneath the RF devices. A second sized opening is sized to receive second sized magnetic tape cartridges having a predetermined height that is greater than the height of the first sized magnetic tape cartridges. % of at least one partially hydrophilic monomer; wherein the crosslinked aqueous emulsion polymer is crosslinked with an effective amount of at least one polyfunctional aziridine crosslinker, and the wt. The inclinometer may further integrate a reading circuit.