1		NRV and NRVSP		Naval Radio Vans and Naval Specialised Mobiles
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2		MOCON		A container fitted with radio equipment which will always require transport when a location is required
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3		A six letter word (two groups of three letters) where each group represents a function/facility which is different to the other group e.g., GENCON. The first three letters or first Group is the FUNCTIONAL PORTION of the overall name and the second group is the DESCRIPTIVE PORTION.		The description is explicit when the Type is known. For example, a GENCON means GEN = All power supply mobiles, and CON = A Transportable container. Others in this group are:   Mobiles Air: AIRCONS, AIRTRAS, AIRVECS   Mobiles General: GENCONS, GENTRAS, GENVECS   Mobiles Radar: RADCONS, RADTRAS, RADVECS   Mobiles Signals: SIGCONS, SIGTRAS, SIGVECS where in each and every case   CON  is a transportable container   TRA  is a mobile wheeled vehicle   VEC  is a self powered mobile vehicle
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These two links show a selection of samples

Naval Radio Vans (Mobiles) Part One    Naval Radio Vans (Mobiles) Part Two

  Before, and during WW2, the Royal Navy had a COMMUNICATIONS SYSTEM which could be formed from five different STATIONS known as:-

    a. Station YY
    b. Handcart
    c. Central Receiving Room (CRR).
    d. Transmitter Van (TxV).
    e. Station Z.

These were the names given to types of VHF STATIONS

  VHF frequencies had been in use by the commercial world long before the Royal Navy started to use them, and what follows are files made up from one of the very first handbooks issued by the Admiralty. There are many interesting topics including VHF propagation, VHF fading, VHF interference, VHF aerials and polarisation, VHF polar diagrams, pictures and line drawings.

WW2 VHF Stations Part One
WW2 VHF Stations Part Two
WW2 VHF Stations Part Three<
WW2 VHF Stations Part Four