Niko's Guide To Synthesis And Being The Ultimate Sanctuary Hunter - Players helping Players - Warframe Forums
warframe - Where do I get the scanner? - Arqade
Codex Scanner | WARFRAME Wiki | Fandom
Warframe Where to find Guardsman the Synthesis Target - YouTube
Kavat Genetic Code doesn't Work with Boosters - General Discussion - Warframe Forums
TIL you actually can track synthesis targets with the scanner. These simaris wisps make a trail that lead right to the target but you can only see them with the scanner. :
Warframe Synthesis Scanner - How does it work? | GameWatcher