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This week, we’re looking at a few items that touch on the practicalities of getting on the air and staying there reliably. There’s a piece on understanding SSB bandwidth, which is always worth a revisit, especially when operating near band edges. We also have a resource for looking up callsigns, something that comes up often whether you’re chasing DX or just curious about a new contact. For those running higher power, or perhaps considering it, there’s a useful set of modifications for Ameritron HF amplifiers to help with cooling during those longer digital mode sessions. And, of course, a solid DX cluster tool is always welcome for finding activity. These are the kinds of things that make a difference in day-to-day operation, from the home station to a portable setup.