The company is gone.Р”В«ut what is a J Beam? It's a vertical directional antenna made of 1/2 inch copper pipe and wood or PVC.

They were manufactured by J-Beam Aerials, Ltd.

UK mfg for Skeleton Slot Antenna | QRZ Forums qrz.com.

GB1396827A - Aerial array - Google Patents Р”РЋ396827 aerials j beam eng ltd 13 april 1973 17846/73 heading h4a an aerial array for operation within the frequency range 0Р“В 3 to 30 ghz comprises a РІР‚В¦.

Edit, we were using the J-Beam Multibeam aerial in 1967, similar Skelton slot reflector and dipole but with X directors instead of the normal Yagi directors used in РІР‚В¦.

Beam Parabeam UHF aerials - start date - UK Vintage First, are you referring to the double 8 for two meters or for 435 Mhz? from the J-Beam Aerial, Ltd - Northampton, England.

Peter - I used to sell these antennas to ham outlets in the U.S. Author: Sykes Last modified by: G R Freeth Created Date: 5:22:00 PM Title: J BEAM 1945-1975

J Beam always specialised in long range aerials although we eventually produced a set top and a flexible aerial which could be hung up in a corner which we called the J Flex which was eventually copied for amateur use and given the name of the 'Slim Jim'. This web publication contains 147,901 pages of information and 233,586 images on early companies, their products and the РІР‚В¦ Grace's Guide is the leading source of historical information on industry and manufacturing in Britain.

Polar plot g4hfq