Archive

Author: Martin Butera

The World of Cassiano Mendonça PY3CSM

Welcome to the story of the Brazilian radio amateur who recovers old AM transmitters, welcome to the world of Cassiano Mendonça (PY3CSM)

Incredible find at a flea market in Brazil

Martin Butera, our editor in Brazil, South America, finds the phone of Alexander Graham Bell, more than 140 years old, in perfect condition.

The Story of Terezinha Felix Cardoso (PT2TF)

Martin Butera talks to Terezinha Felix Cardoso (PT2TF), one of the oldest YLs in Brazil about her life in amateur radio.

The surprising silence of DRM transmissions in Brazil: Interview with Francisco Braccini

Our Brazilian correspondent Martin Butera interviews Francisco Braccini about the status of DRM in Brazil.

Interview with Enivaldo Alves Silva PT2CA

Martin Butera (LU9EFO – PT2ZDX), prepared this special report on the relationship that exists between Esperanto, radio amateurs and the media, specifically shortwave transmissions.

The Collection of Adinei Brochi PY2ADN

Martin Butera (PT2ZDX-LU9EFO), travels to the city of Americana, in the interior of Sao Paulo, to meet his colleague Adinei Brochi (PY2ADN), owner of one of the private collections of the most important radio transmitters in Brazil.

Rádio Universitária – Goiânia, Brazil

Martin Butera continues his fascinating visits to radio stations and this time shows us one of the most important university radio stations in Brazil. A station that transmits in the AM band and with its 20 KW, it has been able to be heard by different DXers in 5 continents.

Interview with Gustavo de Faria Franco

Martin Butera (PT2ZDX – LU9EFO), visited LABRE (Liga de Amadores Brasileiros de Radio Emissão), to interview the new Vice President and Treasurer of IARU region 2.

The Sun, Radio Propagation and the Brasilia Planetarium

Martin Butera takes a look at how the sun impacts radio propagation, with a bonus photo-tour of the Brasilia Planetarium.

Coffee and Radio – with Ivan Dias

Today Coffee and Radio brings you an interview with DXer Ivan Dias

Inside the Green and Yellow Contest

Our correspondent in Brazil, for RHF Martin Butera PT2ZDX/LU9EFO, had access to PT2CVA, the official broadcaster of the famous Brazilian “Verde Amarelo” contest, organized by the Brazilian army communications school.

A tour of ZW5B: One of the largest DX contest stations in South America

Our columnist in South America, Martín Butera, presents us with an interesting tour of this impressive South American contest station. With more than 10 towers and large stacked single band yagis, this is one of the most consistent calls in global and national contests.

Coffee and Radio – with Denis Zoqbi

Denis Zoqbi, born in the capital of Sao Paulo, is one of the most influential Dxers in Brazil, he became known in Brazilian and Latin American Dxsism for developing a very economical loop antenna with very good reception performance, thanks to that he founded the company called Stars Telecom, a company that has been in Brazil for more than 20 years and has already sold thousands of antennas inside and outside of Brazil.

Special Report on Brazil’s First WebSDR Public Reception Station

Brazilian amateur radio also had its heyday, where several high-level technicians were created and brought communication to isolated corners of a giant country with continental distances such as Brazil. But times have changed, other communication technologies have been developed, giving way to WebSDR, today here we will know one of the most complete in the world and it is located in the interior of the city of São Paulo, Brazil.

Coffee and Radio – with Thiago Pereira Machado

Martin Butera chats with Brazilian DXer and plane spotter Thiago Pereira Machado.

Marajó Island Amazonian DX Camp, Brazil 2019

Reports of 1st DX-Camp 15.61 Crew Radio Listeners’ Marajó Island – Amazon Rainforest Northern Brazil – November 15, 16, 17 and 18, 2019 – Ivan Dias da Silva Junior & Martin Butera

Coffee and Radio – with Carlos Latuff

Brazil is the leading coffee export country thanks to the more than 2000 municipalities distributed in 16 regions throughout the national territory where the blessed…

Coffee and Radio – with Danilo Nonato

Brazilian coffee, one of the most consumed beverages in the world, Brazil is the second largest consumer in the world, has a long history in…

Alexandre Grimberg PY1AHD, creator of the “AlexLoop” antenna

During my visit to the city of Rio de Janeiro – Brazil, I had the pleasant experience of sharing a dinner with the great Alexandre Grimberg PY1AHD, famous inventor of the “Alex Loop” antenna.

Coffee and Radio – with Valter Aguiar

Brazil is made up of 27 different states, in 15 of them there is great coffee activity, which goes from north to south of the…