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| | Spark Transmitter |
 | | And, in February 1902 Marconi was having problems with recording the letter 'S', at locations where he said signals could be heard aurorally. |
 | | Belrose, J.S., "A radioscientist's reaction to Marconi's first transatlantic experiment - revisited", Conference Digest, IEEE AP-S Symposium, Boston, MA, July 8-13, 2001, Volume 1, pp. |
 | | Belrose, J.S., "Reginald Aubrey Fessenden and the Birth of Wireless Telephony", IEEE Antennas and Propagation Magazine, Vol. |
| www.hammondmuseumofradio.org /spark.html (2799 words) |
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