DIAMOND GSV3000 (30 AMP) LINEAR POWER Supply. Any questions don't hesitate to ask. The item "DIAMOND GSV3000 (30 AMP) LINEAR POWER SUPPLY" is in sale since Friday, November 19, 2021. This item is in the category "Mobile Phones & Communication\Radio Communication Equipment\Ham/Amateur Radio\Other Ham/Amateur Radio". The seller is "m0jkq" and is located in Appleby-in-Westmorland. This item can be shipped to United Kingdom.