The antenna was bought from a Ukrainian company called Transverters Store on eBay. The page is at: https://www.ebay.co.uk/itm/MiniWhip-Active-Antenna-Assembled-in-Box-HF -LF-VLF-mini-whip-sdr-RX-port
Roelof, Thanks for that information. As you will have seen from another post, my unit is the PA0HNC design sold from the Ukraine. Several other mini-whips can be found on eBay. My main reason for buy