The largest Short Wave Database of the World
The Unique Database in the World with the last Monitoring Date covering all Broadcasting and UTILITY Stations 1.6-30 MHz
ILGRadio  since 1983 the whole short wave in one hand
ILGRadio SUMMER 2021 Files of A21 Season with update of available on June 4th 2021 (upload time 1530 UTC)

The most comprehensive short wave database of broadcasting & UTILITY with unique highlights:
precise schedules, technical data, transmitter site position, graphical diagram "Times by Lines", last monitoring data infos

Lookup tables available for countries, stations and transmitter sites

Detailed Introduction Answers When What Where Why How in English and Germanand further languages

SIGMIRA Software for UTILITY Signal Converter

SIGMIRA Software for UTILITY Signal Converter

ILGRadio Info

Description
Sigmira™ is a Software Defined Radio (SDR) application program that runs on Windows. It operates with with an external conventional receiver, RFSpace SDR-IQ™, RFSpace SDR-14™, RTL-SDR, SDRplay RSP, or SDR-RADIO.com networked receiver. Sigmira offers wideband spectrographic, waterfall, and phase plane displays. It also demodulates various military, utility, and "ham" radio signals.
 

LINK:

Sigmira
click for the converter software