Adjust the gain control(s) for a reasonable amount of “grass” at the bottom of the spectrum display.Set the IF Bandwidth to its minimum value (usually 200 kHz).Place the ExtIOfor your SDR in the HDSDR program directory.Don’t try to run SDR# or SDRuno and the N1MM+ spectrum display at the same time. You can only run one program at a time using the output of an SDR.
N1MM SDR Server should already be transmitting its identifying information, so when you go to choose the source, pick the source that matches the ExtIO dll that you placed in the install directory. In the top part of the spectrum display, right-click and select “For all other radios, source named…” as the source.In the ❮ menu “Connect” tab, check “Use SDR Server”.Start N1MM+ and open a Spectrum Window.This usually C:\Program Files (x86)\N1MM Logger+. Download the correct ExtIO dll from your SDR vendor’s site and place in the N1MM+ *Program Install* directory.Supported Radios & Interfaces N1MM SDR Server – For radios with Extio dll support – THIS IS THE PREFERRED METHOD FOR SDRPlay and Airspy HF+/Discovery SDRs What is unique about the N1MM+ Spectrum Window is its ability to identify signals and allow the user to jump to those via keystroke as well as compare them to local and RBN spots to identify unspotted and already worked signals. Using level data sent from another source (Flex radios, N1MM spectrum windows, Waterfall Bandmap program).Directly reading IQ data provided by the radio (IC-7610 only).
Archive Files (1/2021) – N1MM on WindowsXP.