how new technologies affect the art of contesting
DESCRIPTION
This presentation was hold by Tobias, DH1TW during the Contest University 2010 in Friedrichshafen, GermanyTRANSCRIPT
How new technologies affect the art of contesting
Tobias Wellnitz, DH1TW Friedrichshafen [email protected] June 2010
How new Technologies affect the art of contesting Slide 2FN
2010
Agenda
Comparison (1970 vs 2010)Information HandlingSoftware Defined RadioPersonalized User InterfacesConclusions
How new Technologies affect the art of contesting Slide 3FN
2010
Contesting: 1970 vs. 2010
How new Technologies affect the art of contesting Slide 4FN
2010
Let‘s have a look into the past
1980 2000 2010
PacketRadio
CAT
Stack-Matches
CWSkimmerSDR
Band-scopes
PCLogging
1990
Transistor PA TRX
StationAutomatization
How new Technologies affect the art of contesting Slide 5FN
2010
• Radio (Audio)• Logbook
1970
Information Sources
How new Technologies affect the art of contesting Slide 6FN
2010
Information Sources
2010• Radio 1 (Audio + B-Scope)• Radio 2 (Audio + B-Scope)• Log• DX-Cluster(s)• own CW-Skimmer(s)• Reverse Beacon Network• Propagation Models• …
How new Technologies affect the art of contesting Slide 7FN
2010
Information Sources - Comparison
• Radio (Audio)• Logbook
• Radio 1 (Audio + B-Scope)• Radio 2 (Audio + B-Scope)• Log• DX-Cluster(s)• own CW-Skimmer(s)• Reverse Beacon Network• Propagation Models / Charts• …
1970 2010
How new Technologies affect the art of contesting Slide 8FN
2010
Information Quality vs Quantity
Increasing Quantity
CW-Skimmer Internet DX-Cluster
Reverse Beacon
Network
Decreasing QualityWrong Spots
Fake Spots
Busted Spotslocal spots
situational
unimport spots
How new Technologies affect the art of contesting Slide 9FN
2010
Lets play a game!
50:50
Amount of RBS / Skimmer Spots in CQ WPX CW 2010?
A: 12000
B: 68000
C: 293000
D: 850000
How new Technologies affect the art of contesting Slide 10FN
2010
Lets play a game!
50:50
Amount of RBS / Skimmer Spots in CQ WPX CW 2010?
A: 12000
B: 68000
C: 293000
D: 850000
How new Technologies affect the art of contesting Slide 11FN
2010
Some more numbers on WPX CW 2010
DX-Cluster RBN
Total Spots ~39700 ~837900
Callsigns 8240 21300
WPX Multis 2118 2942
41 CW-Skimmersin 21 Countries
How new Technologies affect the art of contesting Slide 12FN
2010
So what? Is it….
Good or Bad?
How new Technologies affect the art of contesting Slide 13FN
2010
So what? Is it….
Good or Bad?
It is different!
New information handling strategies needed!
How new Technologies affect the art of contesting Slide 14FN
2010
Information Fusion
Algorithm
How new Technologies affect the art of contesting Slide 15FN
2010
Algorithm Example
Check Master.dta
Check QRZ.com
Yes No
No TrashSpot
Sent to WinTest Yes
How new Technologies affect the art of contesting Slide 16FN
2010
Single Source Concept
• Avoid duplicate information! (e.g. Frequency)• SDRs improve station integration!
also applies to radio handing!
How new Technologies affect the art of contesting Slide 17FN
2010
The classic Radio concept
Radio
SignalProcessi
ng
User Interfac
eRF
Operator
How new Technologies affect the art of contesting Slide 18FN
2010
The SDR concept
SignalProcessi
ng
User Interfac
eRF
Independency of components!
How new Technologies affect the art of contesting Slide 19FN
2010
Example: Softrock Receiver & PC
QSD (e.g. Softrock)
PC with Soundcard &SDR Software (eg Winrad)
IQ (stereo)0…96kHz signal
How new Technologies affect the art of contesting Slide 20FN
2010
Example: Softrock Receiver & PC
SignalProcessi
ng
User Interfac
eRF
OperatorPC with Soundcard& SDR Software
QSD (e.g. Softrock)
How new Technologies affect the art of contesting Slide 21FN
2010
Why haven‘t SDRs taken off yet?
Advantages• Great RF performance• Great experimentation plattform• Very flexible• Inexpensive
But…• PC needed
How new Technologies affect the art of contesting Slide 22FN
2010
How future solutions will look like
RF Part (SDR)
Control
HeadphoneDSP & Interface
Data Processing
How new Technologies affect the art of contesting Slide 23FN
2010
How future solutions will look like
User Interfac
e
RF
RF Part (SDR)
SignalProcessi
ng
User Interfac
e
Headphone
DataProcessi
ng
Control
Take aways:• Real-Time Classification• Personalized User Interface
DSP & Interface
How new Technologies affect the art of contesting Slide 24FN
2010
Conclusions
• Information Handling is becomming more and more important
• SDR need to become reliable & foolproof-> Real-Time / Non-Real-Time classification
• SDR provide the freedom to design your customRadio / Station User Interface
How new Technologies affect the art of contesting Slide 25FN
2010
Follow me!
Website:www.dh1tw.de
Twitter:DH1TW
How new Technologies affect the art of contesting Slide 26FN
2010
How new Technologies affect the art of contesting Slide 27FN
2010
Backup Slides
How new Technologies affect the art of contesting Slide 28FN
2010
Example #2 Dutch WebSDR
IQ Signals (Ethernet)7 Bands simultaneously
Internet
WebSDR Server
Direct Sampling Receiverwith Direct Down Converters
PC with Browser
PC with Browser
PC with Browser
How new Technologies affect the art of contesting Slide 29FN
2010
Example #2 Dutch WebSDR
SignalProcessi
ng
User Interfac
e
RFUser
Interface
User Interfac
e
Operator
Operator
Operator
InternetWebSDR Server PC with Browser
PC with Browser
PC with Browser
Direct Sampling Receiver