Venco Z36W informs DxCoffee readers:
"Radio club Nikola Tesla˙ Z37M, this year˙ is celebrating 70 years. For that case from˙
October 1-st˙ till 31 Decembar will use special call Z370M (Zulu tree-seven-zero-mike)
Qsl via Z37M -˙qrz.com˙info!"
http://www.dxcoffee.com/eng/2017/z370m-s-e-s/