Knowing that there are quite a few amateurs out there who are only able to monitor 'JB', because there older tranceivers do not have a ctcss facility, we felt that the following information may well be of interest.
Tony, G6FIB, has a quantity of two types of ctcss modules available. They are easy to install and instructions for wiring and ctcss frequency selection are available.
The following image shows the two different types available.
Further information contact G6FIB, via the Secretary of the Andover Radio Amateur Club, M0MWS or let us know and we'll pass on your contact details.
Don't forget the Andover club boot sale on April 13th - click here for details.