[Milsurplus] TCS follow-on

[Meir WF2U]

The Royal Navy also had a replacement for the TCS, built by Murphy Radio, called Type 618. The full system included a 40 W  CW/AM HF transmitter (618H) and a separate MF transmitter (618L). The system receiver (model CAS) covered both HF and MF. The power supply powered both the transmitters and the receiver. The transmitters were issued according to the vessel's requirements: both, or either the HF or MF units.
Here is a link to the system description and photo: https://rnzncomms.files.wordpress.com/2011/03/history-of-naval-ships-wireless-systems-iv.pdf   . It is under the Type 618 heading.

I have the system with the 618H in my collection. The transmitter and the receiver are about 50% larger in volume than those of the TCS, and much heavier, the power supply is also larger and heavier than the TCS AC supply. 

73, Meir WF2U
Landrum, SC


On January 22, 2016 4:40:44 PM EST, Nick England <navy.radio at gmail.com> wrote:
>FWIW Dept.
>Here is the Collins rcvr-xmtr pair that was evidently intended to
>replace
>the TCS. But I guess that SSB stuff interfered, so it never got
>produced.
>http://www.navy-radio.com/xmtrs/urc8.htm
>
>I have one of the 4 prototype receivers but haven't ever heard of a
>transmitter being sighted.
>
>
>-- 
>Nick England K4NYW
>www.navy-radio.com
>
>
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