Some of the measurements made by Rob show two sets of results, one for Direct-Conversion Mode (DC) and one for Virtual IF Mode
(V-IF). In this report, Rob refers to V-IF as "IF-Offset".
ALT-512 Dual-Mode Test This document shows the lab measurements and comments made by Rob Sherwood (NC0B) about the Aerial-512 ALT-512. It shows test results for both modes of its receiver (Direct-Conversion and Virtual-IF). ALT-512-Dual-Mode-2a.pdf PDF-Dokument [87.8 KB]