Costa Rica has a population of 3. Costa Rica is a gorgeous country with great sights and amazing rain forests.
Belfast, Maine Radio History Located here is the start of some interesting research on the radio history of Belfast, Maine, including in particular that of the RCA which purchased the facility of ship-to-shore International Radio Telegraph Company in The site contains some interesting photos, plus an audio clip of a UK-to-US relay via belfast in Netherlands Radio One hundred years ago, on January 11,the Netherlands passed its first law in which radio was mentioned.
In the century since then, there has been a lot of legislation involving radio, and the Dutch Radiocommunications Agency has opened this website to highlight significant milestones in words and pictures. Unfortunately, the site is in Dutch.
However, the pictures are worth looking at. Nigro IEEE History Center The Institute of Electrical and Electronics Engineers has a Milestones Program which thus far has identified numerous milestones honoring significant achievements in the history of electrical and electronics engineering.
Charles Herrold Here is more on the man whom some say was the first broadcaster, including a chronology of his life and information on his water-cooled microphone with interesting photographs.
The Complete Lee de Forest This is an excellent site, containing much biogarphical information about "the father of radio," highlighting his role as broadcaster, inventor, husband, defendant, writer and hollywood figure, and his legacy.
There are some very nice photos here, plus longer text from the AWA under "broadcaster" and extensive links under "biography" and "inventor. Another nice touch here is a bibliography of other sites and books about Marconi, plus the original Marconigrams surrounding the sinking of the Titanic and reports and documentation compiled during the inquest into the sinking.
There is a lot of material here. Contrary to popular belief, these signals were not adopted because of their meaning, e.
Documenting Early Radio Radio journalist Elizabeth McLeod offers interesting and detailed descriptions of some of the recordings of early radio that have survived.
Although a few recordings are included, the site is mostly text--but very informative. How and when did it begin? What frequencies were used? How was early radio regulated? Where did the "W" and "K" call letters come from? He also defines many radio "firsts.
Although it is in Italian, it is still worth a look around. Invention History at the Lemelson Center: This is one of the most extensive collections of the history of wireless and radio in the United States. In addition to information about the collection itself, this site contains brief company histories of the De Forest Company, the Marconi companies, the National Electric Signalling Company, R.
Armstrong This site seeks to present "a collection of interesting. This is a brief treatment of the age old question, which station was first. The History of Broadcasting, This is a small table linking you to brief descriptions of various aspects of radio.
For the s, s, s and s, the viewer can read short vignettes about broadcasting, radio homes, stations, networks, commercial operations and programs.
The originator of this site, Dr. Outline of Radio to This book, written by John V. Hogan inis an interesting description of the development of radio up to that time, and includes a number of interesting diagrams and photographs.
Also included is a list of other "first" milestones, before and after this one, and a bibliography. Atwater Kent There is much here about this famous name, including history, magazine ads, and high quality pictures of many A-K receivers. This site is devoted to The Radio Boys and other s youth novels that were devoted to radio themes.
There is an interesting table containing sales figures for these and other youth series. For a list of all the Radio Boys and Radio Girls books, go to: Among its members have been some of the biggest names in radio communications, past and present--Armstrong, Sarnoff, Hazeltine, DuMont, etc.
Late at night, with his ears within a few inches of the speaker of a huge Warner superheterodyne console receiver, he was happily oblivious to the deafening cracks of static electricity crashing through the speaker, to the great discomfort of his long-suffering and over-tolerant parents.
International Radio Week Tests In the mids, a series of tests were arranged whereby many North American stations would close down so that DXers would have a better chance to hear foreign stations.
This is the fascinating story of those tests. The BBC called it a publicity stunt. A link to the page PDF can be found here. New When Hobbyists Were Experts: This paper tells the story. Maritime Radio Historical Society The early point-to-point stations played an important wartime role in getting American shortwave to its targets.LeBron James explains to SI's Lee Jenkins why he's returning to the Cleveland Cavaliers after spending four seasons with the Miami Heat.
Costa Rica Costa Rica's population was about 3,, in By the year the population grew to 3,, There is about 4,, people estimated by the year 2 / A Brief History of Costa Rica The Indians gave Columbus gold and he returned to Europe with reports of a plentiful supply of the yellow metal.
A Brief History of Costa Rica Free Essay, Term Paper and Book Report Human habitation can be traced back more than 10, years but it appears Costa Rica was sparsely populated and a relative backwater in the pre-Columbian era.
A Brief History of Costa Rica. Essay by bigjohnsonjohny, High School, 12th grade, A+, October download word file, 8 pages download word file, 8 pages 16 votes/5(16).
Enhmed es una empresa dedicada a la venta y mantenimiento de equipos odontologícos y de laboratorio en Costa Rica. The essay section is the most important part of any application, see the types of essays successful applicants have used to apply to business school.