Battelle is contemplating the procurement of a portable X-band phased array radar (PAR) to support the ARM user facility in storm tracking and uncrewed aerial system (UAS) operations. This radar must ... Battelle is contemplating the procurement of a portable X-band phased array radar (PAR) to support the ARM user facility in storm tracking and uncrewed aerial system (UAS) operations. This radar must be easily re-deployable because it will be moved periodically among ARM observatory locations. Set-up time should be on the order of or less than a day to accommodate flexible siting requirements per the attached technical specification.