Knockin telescope

The telescope was built by E-Systems and very similar to those making up the VLA in New Mexico. The low frequency feeds were mounted at the prime focus, but they could be replaced with a secondary reflector for higher frequencies with the feed horn located in the tube at the centre of the dish and receiver in the vertex cabin below. The telescope is remotely controlled over a permanent telephone line and a signal derived from the atomic clock at Jodrell is received over an L-Band Link to lock the local oscillators used in the receiver system. A single hand of polarization was received and returned to Jodrell using a Ferranti microwave link having a 10 Mhz bandwidth.


Knockin, SHR
United Kingdom
52° 47' 24.9684" N, 2° 59' 49.7544" W
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