Marconi Macaroni Traditional Cache
Me Also: The new owners of the Marconi estate (Marconi Point LLC) seem to be confrontational. . The original location was on public beach, but the cache has been archived to avoid hassles to geocachers.
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Size: 
(small)
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Approach along Public shoreline from Turtle Bay resort - 1.5 mile hike across beautiful and isolated beach.
It is also possible to approach from Kahuku Golf Course Beach N 21° 40.707 W 157° 56.461 from this direction it is a 2.7 mile hike. Parking at N 21° 40.706 W 157° 56.688
Guglielmo Marconi was an Italian inventor who invented the radio for which he received the Nobel Prize for Physics in 1909. His first radio signal was sent and received in 1895. One of Marconi's radio stations was the first to receive the distress signals coming from the RMS Titanic and Britain's postmaster-general summed up, referring to the Titanic disaster, "Those who have been saved, have been saved through one man, Mr. Marconi...and his marvelous invention."
In 1897 Marconi founded "Wireless Telegraph and Signal Company" and exploited the "Marconi System" of radio commercially. His company was acquired by RCA in 1920 & then became a General Electric Company subsidiary in 1968 and sold to British Aerospace in 1999 when it became BAE Systems plc.
Modern Radios operate on the Superheterodyne Principle - When sound waves OR radio waves are mixed together the result is four (and sometimes more) waves - the two original frequencies and the sum of the 2 frequencies and the difference of the two frequencies.
The low frequencies of speech would not travel very far, so it is added to a higher frequency radio wave of the radio station. At your radio it is detected at your antenna, your radio mixes in another radio wave (when you "tune" your radio you adjust the frequency of your radio wave to be the same as the carrier wave of the radio station). Now your radio has four signals 1)the radio carrier wave, 2)the speech, 3)the sum of these waves 4)the difference of these waves. We are interested in the low frequency speech wave. The four waves go through a low frequency filter and only the speech wave immerges. It is amplified and sent to the speakers and you hear speech, music or whatever the radio station is broadcasting.
The Superheterodyne was not one of Marconi's inventions, it was worked on and perfected by many just before and during World War 1. It allowed Marconi's radio to transmit over long distances.
The Geocache is on public beach near Macaroni point in view of what is left of Marconi's 98-acre Hawaii estate. The property includes an old home and a commercial building that once housed Hawaii's first wireless telegraph station “old RCA station”, established in 1901.
The container is a Microwaveable Macaroni and Cheese container - hence the name of the GeoCache.
Initial contents - Radio ear buds for FTF, assorted toy soldiers & toy rings, a marble.
Marconi Road goes to the estate, however it is private and there is no easy way to get to the beach from Marconi road.
The GeoCache "Kahuku Point" GC159M5 is .6 miles to the east of the "Marconi Macaroni" GeoCache. It would be possible to get both on one trip.
Additional Hints
(Decrypt)
Oruvaq fznyy fcenjyvat gerr gung vf ybj gb tebhaq. Haqre n fznyy cvrpr bs nfcunyg. Gerr vf va ivrj bs Znpnebav Rfgngr.