I was searching for extension that can help me to allow radius based shipping. Finally i used this extension to sort out my need. and it worked very well. John guided me over email and skype to get it sorted. very pleased with this extension and John's support.
The module works perfect on all other pages except on the child category pages. Ex- When this module is published in 'left' position and when i click on the the parent category, module is shown, but when i click on the child category shown in module itself, the module disappear. The module is assigned to all menus still not working for me. :(