KnowraSpark-gap transmitterLinked fromLinked fromThe 7 pages that link to Spark-gap transmitter, each with the reason it gives.All 7Broader topic 4Related 1Compared with 2Wireless telegraphyBroader topic: This early transmitter produced the damped waves used in the first wireless telegraph systems.Guglielmo MarconiBroader topic: Marconi used spark-generated waves to send Morse-code signals.Lee de ForestCompared with: De Forest’s tube-based radio technology offered an alternative to the spark transmitters common in early wireless.Oliver LodgeBroader topic: Lodge used spark discharges to produce waves in laboratory demonstrations.Reginald FessendenCompared with: Its damped-wave signals were poorly suited to carrying clear speech, motivating alternatives.History of radioBroader topic: Early wireless telegraphy relied on spark transmitters, which sent crude, broadband signals.K. Ferdinand BraunRelated: Braun improved spark-based transmission by coupling the spark circuit to an antenna circuit.