Tag Archives: Carlos Latuff

QSL: Australian Radiofax Received in Brazil

Many thanks to SWLing Post contributor, Carlos Latuff, who writes:

For the first time, I received in Porto Alegre a noisy radiofax from the Bureau of Meteorology of Australia: Mean Sea Level Pressure (MSLP) map.

Frequency of 20469 kHz USB, 08h45 UTC.

Radiofax (noisy)

Original

My request for a QSL card was kindly answered (attached along the radiofax and the original chart from BoM’s website). Notice that BoM’s transmitter is 1 KW only!

I realize that your Radiofax decode wa noisy, but I feel like that’s an impressive feat considering the distance involved, the fact that your radio was a portable, and their output power was only 1,000 watts. Proper Radiofax DX! Thanks for sharing!

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Carlos’ Reception of NOAA Forecast via USCG Radio Station in Chesapeake

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Photo: US Coast Guard

Many thanks to SWLing Post contributor, Carlos Latuff, who shares the following video/recording and notes:

Hey Thomas, [Check out] how well the USCG signal arrives from Chesapeak in Porto Alegre, Brazil. It’s a NOAA Pacific NE forecast.

I made this video at 06h36 (09h36 UTC):

[Here is an audio ifile so you can get an idea of the quality of the reception:

That is amazing reception in Brazil, Carlos! Thank you for sharing this! I must say, you really give your XHDATA D-808 a workout! It’s a proper little DX machine!

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Carlos notes passing of New Zealand MetService Radiofax

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Artwork by Carlos Latuff

Many thanks to SWLing Post contributor, Carlos Latuff, who writes:

Hello Thomas,

I’m sad to know that the New Zealand meteorological agency MetService, has retired radiofax in July 1st, and is focusing on “modern solutions” of sending synoptic charts to vessels. In 2021 I received several radiofax charts from MetService in Porto Alegre.

https://about.metservice.com/our-company/national-weather-services/retirement-of-radiofax

This is a video I shot in 2020:

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Carlos improves quality of radiofax decodes

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Many thanks to SWLing Post contributor, Carlos Latuff, who writes:

I made some adjustments and now I receive better quality radiofaxes. Since I started receiving radiofaxes in 2021, I had forgotten a fundamental detail.

To tune 1.9kHz lower than the advertised frequency. For example, the frequency of Kyodo News is 16971 kHz. I therefore tune in 16970 kHz. Of course, the fact that I tune in at 4:10 am in Brazil also makes a difference, as the propagation is quite good at that time.

Thank you for sharing that tip with up about moving down 1.9 kHz lower than the broadcast frequency. It certainly works–your decodes a very clean.

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Carlos’ Shortwave Art and recording of Radio Havana Cuba (October 14, 2023)

Carlos logs a NOAA High Seas Report

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Many thanks to SWLing Post contributor and noted political cartoonist, Carlos Latuff, who shares his radio log art of a recent NOAA forecast. Carlos writes:

Recently I have been receiving NOAA’s Pacific high seas forecast via 12579 kHz USB. According to the NOAA schedule these SITOR-B transmissions come from the USCG base in Guam (NRV). But I’m not sure about that, since the signal is very strong to come from so far away. Attached is the illustrated report.