ARRL Radio Designer, was published by ARRL beginning in late 1994. It was discontinued in August 2000 and is no longer available.

QST's Exploring RF Column Now Available in Portable Document Format Form

QST's bimonthly Exploring RF column carries ARRL Radio Designer news and how-to-do-it hints. Now you can download all six 1995 Exploring RFs as PDF files.

ARRL Radio Designer Likes Windows™ 95

Yes, indeed: ARRL Radio Designer runs fine under Windows 95. Here's evidence in the form of a document that contains little more than a 23,101-byte-GIF screen image.

ARRL Radio Designer 1.5 Maintenance Release Ships September 1, 1995!

The 1.5 release, a subset of Super-Compact 6.5, enables ARRL Radio Designer's ability to accurately model the noise performance of TWO elements characterized by data that includes noise parameters. ARRL Radio Designer 1.5 also adds nine new circuit responses for two-port networks --

• VSWR
• RZ1 (reciprocal of RY11)
• IZ1 (reciprocal of IY11)
• RY1 (reciprocal of RZ11)
• IY1 (reciprocal of IZ11)
• RZ2 (reciprocal of RY22)
• IZ2 (reciprocal of IY22)
• RY2 (reciprocal of RZ22)
• IY2 (reciprocal of IZ22)

-- and the enhancements of 3-D dialogs and controls.