Here is my certificate for making contacts with amateur radio operators in 308 parks. It was a lot of fun and hard work on occasions as band conditions have deteriorated.
vk5bje
My name is John. I am an amateur radio operator. Here I share some of my experiences
vk5bje 
Hi John,
Congratulations on the certificate and many thanks for all the contacts we have made whilst I’ve been in a park. Here’s hoping for many many more.
73,
Paul VK5PAS.