技術関連ブログ（原文のみ）

Using RigExpert TI-5, Standard or Plus interfaces in FSK mode with Ham Radio Deluxe

Here is a step-by-step instruction of how to set up HRD to use the RigExpert TI-5 interface in FSK mode. RigExpert Standard and Plus interfaces could be set up in the same way. 1) Run the “Show …

Transmission line measurement with Zplots

Thanks to the wonderful Zplots software, we can measure most important parameters of a transmission line quickly and easily. What we might like to know is: 1) Characteristic impedance versus frequency; 2) Velocity factor versus frequency; 3) …