Thank you, too, for your support of these sites. Additionally, we always try to include links to other retail options if they are available, as we support and freely advertise independent ham radio retailers. We hope you understand, and are grateful for your support.īut please note that we will never create a post and product link explicitly to receive a commission. This means that by clicking on these links, a small percentage of the purchase price for goods you purchase from these sellers will help support our site’s running costs. Many of our links now function as affiliate links. The SWLing Post now participates in two affiliate advertising programs with two large retailers that still sell shortwave radios, the Amazon Services LLC Associates Program and the eBay Partnership, designed to provide a means for sites like ours to earn advertising fees by advertising and linking to these retailers of radio products. Many of you have suggested in the past that the SWLing Post join an affiliate links program. Another method would be to play the mp3 file on your computer and use a program such as Virtual Audio Cable to link the audio to FLDIGI.In some cases, you can actually damage your sound card if you feed it audio at a high volume. Note that you should lower the volume of your mp3 player to do this. Better yet, if you have a way to feed the audio directly from your mp3 player into the line-in (or microphone input) on your computer–say, with a shielded audio patch-cord–this will insure a clean signal into FLDIGI.FLDIGI is reasonably forgiving, but you should try this in a low-noise environment. KK5JY has made a step by step tutorial to show us how to do exactly that Compile FLDigi for Raspberry Pi In general, use with a VHF/UHF radio is very forgiving. FLDIGI can decode the digital signal from the computer’s buit-in microphone if the mp3 player volume and microphone gain are adequate. Hold the speaker near the computer’s microphone. If your computer has a built-in microphone, simply play the pre-recorded audio file from an mp3 player with a built-in (or amplified) speaker.There are a few simple ways to play the audio: Play the audio so FLDIGI can decode the message. Do this by selecting the menu items “Op Mode” –> “MFSK” –> “MFSK-64.”Ĥ. Launch FLDIGI and tell it that you wish to decode the digital format MFSK-64. Screenshot of digital mode being selected in FLDIGI.
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