Top Amateur Radio Websites – Issue 2627

This week, we’re looking at a few items that touch on the practicalities of getting on the air and staying there. There’s a good piece on understanding SSB bandwidth, something that comes up often, especially when operating near band edges. We also have a resource for looking up callsigns, which is always handy for confirming contacts or just curiosity. For those chasing DX, a real-time cluster aggregator is featured, pulling data from multiple sources. Finally, we’re revisiting some cooling modifications for popular HF amplifiers, particularly relevant for those running higher duty cycle modes. These are all things that can make a difference in day-to-day operation, from ensuring compliance to improving station reliability.

Understanding SSB Frequency and Band Edges for Ham Radio Operators

This resource provides guidance for amateur radio operators on understanding the actual transmitted frequency and bandwidth for SSB operations. It helps ensure compliance with band limits, which is crucial for responsible operating.

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Callook: USA Amateur Radio Callsign Lookup

Callook offers a direct and efficient USA amateur radio callsign lookup service. It provides current FCC data, including grid squares, and even offers API access for those who want to integrate it into their own tools.

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DXData

DXData is a free, real-time DX cluster that aggregates spots from various sources like DXSpider, RBN, and PSK Reporter. It includes advanced filtering options and Club Log integration, making it a powerful tool for DXers.

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Cooling Modifications for Ameritron AL82, AL1200, AL1500 Amplifiers

This article details cooling modifications for Ameritron AL82, AL1200, and AL1500 HF amplifiers. These modifications are designed to mitigate overheating, especially during high-duty-cycle digital mode operation, extending amplifier lifespan and reliability.

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That wraps up this week’s selection of resources. We hope you find these useful in your own shack or out in the field. Be sure to follow us next week for more picks, and we always appreciate your thoughts and comments on our social channels.