Online Callbook – 下载 🦊 Firefox 扩展（zh-CN）

关于此扩展

The Online Callbook toolbar makes it easy to find QSL information from the most popular HAM-radio web sites, such as QRZ.COM, ARRL.ORG, HAMQTH.COM, HAMDATA.COM, QRZ.RU, BUCK.COM, and CQHAM.RU, using shortcut buttons on the toolbar.

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