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VHF/UHF mounting ideas, ISS SSTV with WebSDR, Give us more digital voice...
VHF/UHF mounting ideas, ISS SSTV with WebSDR, Give us more digital voice...
Amateur Radio Weekly
Issue 27 September 13th, 2014

Top links

ISS SSTV received on WebSDR
The ISS has been transmitting photographs devoted to the life and work of the first cosmonaut Yuri Gagarin. They were sent in the PD180 SSTV mode with additional voice commentary.
4 reasons why we need more digital voice modes (not fewer)
Working for a ham radio dealer, I get to hear a lot of perspectives on a lot of topics. By far, one of the strangest concerns I have heard voiced is that the major radio manufacturers can't agree on a standard protocol for digital voice.
Radioshack's struggles continue
Back in the day, RadioShack employees would answer the phone by saying, "You've got questions, we've got answers." But RadioShack now seems stumped, and the "B" word is looming ever larger.
Send a message "from the Moon"
The LuxSpace 4M amateur radio payload is expected to fly around the Moon at the end of October and you can upload a message to the 4M website that will be transmitted on 145.980 MHz using JT65B during the flight.
Cycle 24 battles on
It seems there are still a few surprises left in the strange life of Cycle 24.
Five frequencies on Friday's balloon flight
Radio amateur David Akerman M0RPI will launch his 'Superman' Raspberry Pi balloon on Friday, September 12 between 11am and 12pm. The signals should be receivable over most of the British Isles.

How to

Mounting ideas for VHF/UHF antennas
Getting your antenna in the air can sometimes be challenging. Not all of us have unlimited real estate and 120 foot towers at our disposal to hang any radiator on that we please. We all have to work within the confines of our situation, meaning limited space, property restrictions, access, or even budget.
80m antenna options for a small size lot
Perhaps the biggest thing my station is missing is an 80m antenna. I really don’t have room for a full, half-wavelength dipole, so I’m looking for options.
How to detect radio waves
Sandeep Baruah VU2MUE has released a video showing a simple circuit which can be used to demonstrate electromagnetic radiation.


FEMA Director KK4INZ to Emergency Managers: "What's your backup?"
FEMA Director Craig Fugate, KK4INZ, debunks the argument that Amateur Radio is no longer relevant in our hyper-connected smartphone, tablet, satellite phone, networked radio system world.
Video of ISS SSTV reception by Dmitry Pashkov R4UAB
Screencast and audio of the ISS SSTV transmission and reception using SDR#.
Example of bad audio on JT65A
Please do not over-drive your transmitter by setting your sound card output level too high. Also, check for RF getting back into your audio. Bad audio causes transmitted signal spurs and interference on the transmitted signal.
Arduino antenna switcher
George builds a remote control antenna disconnect switch with an Arduino and a Servo.

And finally...

Amateur Radio Weekly is curated by KK4HSX. Thank you for reading! 73!
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