Dayton Hamvention SDR-related activities
For those of you attending Hamvention, there will be several events focusing
on SDR. Here are some of them:
Friday, 9:00 AM - 10:45 AM
TAPR Digital Forum
Moderator: David Toth, VE3GYQ
Speakers:
The TAPR Open Hardware License - John Ackermann, N8UR
TAPR introduces version 1.0 of the OHL, a license designed to encourage
Open Hardware development along the lines of Open Source Software. John
wrote the agreement and will explain how it works, and how you can use
it for your own projects.
The HPSDR Project Update
Scott Cowling, WA2DFI and Steve Bible, N7HPR Scott will show off the HPSDR
Ozy and Janus boards which are now shipping.
USRP2 - Matt Ettus, N2MJI
Matt will show off his new USRP2 hardware.
Saturday, 8:00 AM - 11:00 AM
Software Defined Radio Forum
Open Source Software Defined Radios- the new wave in radio communications.
Moderator: Eric Ellison, AA4SW
The Future of radio is NOW and is moving forward at the speed of light!
Amateur radio operators are at the forefront of a technical revolution
in radio. In the foreseeable future, everyone will be able to configure
the 'front panel' of a, radio, spectrum analyzer, VNA, oscilloscope, signal
generator and more, all with the same hardware!
Groundswell open source amateur offerings of hardware and software ranging
in price from $12 to several hundreds of dollars are available. Come see
what this International excitement is all about, and win a Software Defined
Radio!
(You must be present to win at end of presentations.)
Speakers:
The µWave SDR Hardware and Software - Jonathan Naylor, ON/G4KLX
(Remote presentation via Internet)
With the rise in popularity of SDRs for the lower frequency bands, it
is only right that the same techniques should be applied to the V/U/SHF
bands. The challenge of these higher frequencies shows itself particularly
in the hardware required. Highly integrated mixers and fraction-N synthesizers
are the chips of choice in order to reduce
component count and ensure that the hardware will be as inexpensive as
is possible while retaining high performance.
The software is especially written for this project, and has been designed
from the beginning to be cross-platform (Windows, Linux and Mac OS X)
and to support multiple SDR
types, including the SoftRock
Introduction to the HPSDR Project - Lyle Johnson, KK7P
Starting as a discussion about an inexpensive evaluation board for an
electronic component in late 2005, the High Performance Software Defined
Radio project was born. This is a grassroots effort by volunteers to create
hardware and software building blocks for customized, user-definable,
user-configurable and user-programmable Software Defined
Radios. This presentation will introduce the overall HPSDR Project, the
accomplishments of the group in its year and half of existence, an overview
of current developments and a look towards the near future.
A Simple Approach to Learning Digital Signal Processing - Phil Harman,
VK6APH
One of the problems a beginner faces in learning Digital Signal Processing
(DSP) is finding a simple tool to aid the learning process. Whilst such
tools do exist they are generally aimed at the professional and come at
a professional price. There is an urgent need to provide
beginners with a "crystal set" approach to learning DSP and
with a similar price tag. Phil Harman, VK6APH, will describe a technique
for learning DSP that uses freely available software that enables the
beginner to build an extensive array of digital test equipment - from
a simple signal generator right up to a high performance spectrum analyzer.
The test equipment enables the beginner to experiment with
digital filters, modulation and demodulation techniques - as they say,
"to learn by doing".
Rocky, a View From Inside and Outside -
Alex Shovkoplyas, VE3NEA This presentation will focus on the differences
between the hardware and software-defined radios, using Rocky Software
and SoftRock as an example. The "Inside" part of the presentation
will show that digital
signal processing allows the developer to implement many functions that
are difficult or impossible to implement in the hardware. However, the
new possibilities offered by DSP require new solutions. Attempts to build
an SDR as a model of a hardware radio do not work well. The "Outside"
part, will compare the user interfaces of hardware and software radios.
While the controls of the hardware transceivers are
implementation-oriented (reflect the internal structure of the radio),
the interface of an SDR can and should be made task-oriented: more intuitive
and easy to use, optimized for the maximum productivity of operator's
work.
Evening Events
Saturday, 8:00 PM - 11:00 PM
FlexRadio Systems Informal Evening Event
FlexRadio Systems will hold an informal meeting beginning at 8:00 PM
at the Kennedy
Union on the University of
Dayton campus. Light snacks and refreshments will be served from 8-8:30
PM. The Social (Half) Hour will be followed by a presentation with a Question
& Answer session by Gerald Youngblood, K5SDR. The evening will be
capped off with the annual "Flexi" awards ceremony.
The KU has plenty of free parking. This event is open to everyone. The
evening's festivities will be broadcast over the FlexRadio Friends TeamSpeak
server. As an added incentive to "come on over" there will be
assorted door prizes for those in attendance.
TeamSpeak BroadcastSchedule
TAPR Forum on Friday (Pending the confirmation of Internet connectivity)
SDR Forum on Saturday from 8:00 AM to 11:00 AM (Pending the confirmation
of Internet connectivity)
FlexRadio Informal Evening Meeting on Saturday at 8:00 PM EDT
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