What do we mean by Navigational Aids or NAVAIDS?

Well, first off we mean NAVIGATIONAL AIDS : how the hell do we get home and then, what was on offer in 1959 [for example] a time when the lessons learned from WW2 were integrated in our every day toolbox of NAVIGATION. These included:-

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Device		Variants
COMPASS		Gyro Magnetic Transmitting Magnetic Gyro Magnetic
LOGS		Pitometer Chernikeeff Electro Magnetic Taffrail Topographical Highlights
ECHO SOUNDERS		Supersonic Echo Sounder Type 765
SEXTANTS		Marine Radio Horizontal Angles
DISTANCE MEASURERS		Optical Rangefinder Taut Wire Measuring Gear Tellurometer
SELF CONTAINED NAVIGATIONAL SYSTEMS		Shipborne inertial Navigational System (SINS) Magnetometer Gravitometer
RADAR		High Definition Warning Surface Navitran
RADIO AIDS (HYPERBOLIC) CW PHASE COMPARISON		Standard Commercial Decca Survey Decca Dectra (Decca Track and Range) Delrac (Deccal Long Range Area Coverage) Radux Omega Raydist Lorac Berserk Rana
RADIO AIDS (HYPERBOLIC) PULS COMPARISON		Gee (RN QH) Loran LF Loran (Loran 'C') EPI (Electric Position Indicator) Ctac
RADIO AIDS (CIRCULAR)		Shoran Two Range Decca
RADIO AIDS (AZIMUTHAL)		MF/HF Shipborne MF/HF Shore Based Consol (ex German Sonar) Popi (Post Office Position Indicator) Consolan Navaglobe Facom Navarho Microwave Beacon
MISCELLANEOUS TRACKING AIDS		Tacan Airborne doppler Shipborne doppler Leader Cable
UNDERWATER ACOUSTIC		U.A.N.S. (N.A.D.C. System) Passive Acoustic Markers Active Acoutic Beacons

But, we must concentrate on RADIO NAVAIDS and even then, on just a few of the systems available.

Below you will find some of the most important modern day [1960-1980] devices which give a good description of the gear on offer with a supporting picture.

Type DAS2
Type QM10
Types QM3,4
Types QM 5,9,10
Types QM 6,7,8,11
Type YE