Description:

Portable microwave set, used as standby equipment for short-range search and as a navigational aid. Sets can be stowed on ships below armor and set up on deck when other radars have been damaged, or can be set up on landing barges, or carried short distances by hand for use on beaches. Provides range and bearing; using a “B” Scope. B and PPI indications as desired, are displayed on a single scope.

Performance

With antenna at 20', estimated reliable range of SQ is 6 miles on a large ship. Range accuracy is ± (2% plus 150 yards). Azimuth accuracy, ± 3°.

Transportability:

Shipment includes spares and is air transportable. SN when crated has 5 packages and weighs 726 lbs., the heaviest package weighing 231 lbs. and the largest package being 33" x 26" x 39". The total weight of SQ when crated will be about 100 lbs. heavier than SN.

Installation:

Without motor drive (approx. 100 lbs.) and spare parts (approx. 85 lbs.) SQ weighs about 350 lbs. Heaviest SQ component is modulator-rectifier-indicator -- 22" x 20" x 21" with weight of 170 lbs. The sets should be as high as possible above water.

Personnel:

For both sets the minimum personnel required is one per shift.

Power:

350 watts at 90-130 volts, 60 cycles. Generators may be supplied if needed.