Donation to

SignalStuff exists to support HamStudy, ExamTools, and other related projects. All sales on this website go to paying for development, hosting, and other necessary business expenses.

Those who wish to support our work on can make a donation here — either as an add-on to another order or by itself. We appreciate your support and couldn’t do it without you!

Note: Our system doesn’t easily allow us to differentiate between an order with only a donation and other orders, so the minimum order amount of $10 still applies to orders with only a donation. If you wish to make a smaller donation without placing another order, the easiest is to just paypal it to — sorry for any inconvenience here!

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