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Baudot's code Mystery Cache

This cache has been archived.

wooliebear: This puzzle cache is way to hard for the valley. Checked on it today and found it wet. Will replace in another location. More good things to come from this location.
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wooliebear

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Hidden : 3/18/2005
Difficulty:
3 out of 5
Terrain:
4.5 out of 5

Size: Size:   regular (regular)

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Geocache Description:

Very difficult terrain.

The cache is NOT at the above location. It is filled with lots of kids toys in an ammo can.

A teleprinter (teletypewriter, teletype or TTY) is a now largely obsolete electro-mechanical typewriter which can be used to communicate typed messages from point to point through a simple electrical communications channel, often just a pair of wires.

The most modern form of these devices are fully electronic and use a screen instead of a printer. These teletypewriters are still in use by the deaf for typed communications over the telephone, usually called a TDD or TTY.

The teleprinter evolved through a series of inventions by a number of engineers, including Royal E. House, David Edwin Hughes, Charles Krum and Emile Baudot. A predecessor to the teleprinter, the stock ticker machine, was used as early as the 1870s as a method of displaying text transmitted over wires. A specially-designed telegraph typewriter was used to send stock exchange information over telegraph wires to the ticker machines.

Most teleprinters used the 5-bit Baudot code (also known as ITA2). This limited the character set to 32 codes. One had to use a "FIGS" shift key to type numbers and special characters. Special versions had FIGS codes for specific applications like weather reports. Print quality was poor by modern standards. The Baudot code was used asychronously with start and stop bits: the asynchronous code design was intimately linked with the start-stop electro-mechanical design of teleprinters. (Early systems had used synchronous codes, but were hard to synchronise mechanically). Other codes, such as Fieldata and Flexowriter, were introduced but never became as popular as Baudot.

The teletype circuit was often linked to a paper tape punch and reader, allowing messages received to be resent on another circuit. Complex military and commercial communications networks were built using this technology. Message centers had rows of teleprinters and large racks for paper tapes awaiting transmission. Skilled operators could read the priority from the hole pattern and might even feed a "FLASH PRIORITY" tape into a reader while it was still coming out of the punch. Routine traffic often had to wait hours for relay. Many teleprinters had built-in paper tape readers and punches, allowing messages to be created and, to a limited extent, edited off-line.

More than two teleprinters could be connect to the same wire circuit by means of a current loop (a possible source of the phrase "being in the loop"). Communication by radio, RTTY, was also common. Amateur radio operators still use this communications mode.

"FLASH PRIORITY" Decode this message:

Less than 500 ft. from car to cache Less than 500 ft. from car to cache
Long pants suggested Long pants suggested Dangerous area - use caution Dangerous area - use caution Pencil Bring a pen or pencil ticks Ticks
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Click for McAllen, Texas Forecast

Additional Hints (No hints available.)