Please note, this list of links is rather outdated, it hasn't been updated much since around 2010.
EMF Camp 2016 tech/maker festival in the UK, videos of lots of talks
CS Unplugged computer science activities that don't need a computer
Making Electric circuits and other electronics projects
Wireless Networking in the Developing World nice intro to IP networking and radio networks, translated into various languages
archive.org Open Educational Resources
The Joy of Wood blog and for kids
Science Kids
Science & Plants for Schools links list
Network Startup Resource Centre includes international connectivity guide
Mapping cyberspace
More mapping
Web Stalker mapping browser
Western Multiplex (tsunami, fa$t)
HF modems
Running FreeBSD on an Airport
g.net license-free/amateur datacomms, designs, info, Linux prism2 AP code
Gunnplexer based 10mbps uses AUI Ethernet card (10/24GHz amateur)
O'Reilly Wireless DevCenter
The Unofficial 802.11 Security Web Page
WLANexpert: PRISM II test tool
Wireless Anarchy links page
NovaRoam: 900MHz P-MP
Grasshopper, Stand-alone site survey kit
MobileMesh wireless routing protocols
Wireless Ad Hoc Networking Links, frequently updated
IEEE 802.11* documentation
WAP11 and MRTG and here
WAP11 and NWN-based AP unix config/monitoring tools
High-power (27dBm) ATMEL-based AP
WAP11 site survey
GL2411AP FAQ, specs same pcb as WAP11
NoCatNet
*BSD Airtools
AirSnort passive monitoring WEP key finder
Kismet, passive 802.11 sniffer
Wellenreiter
OpenAP project linux for SMC 2652W, USR 2450 and other eumitcom wl11000sa-n boards
Host AP mode from Prism2 on Linux
FlexNet, AX.25 packet radio NOS for DOS/Win32
Rx sensitivity of common cards
Flight Refuelling Amateur Radio: interesting 802.11 pages
HPWREN High performance wireless research and education network
The Easton Community Wireless Network Project (Bristol UK)
Champaign-Urbana Community Wireless: NetBSD-based ad-hoc mesh
Wireless networks in the Dominican Republic
802.11b ship to shore link, Univ. of Connecticutt
VPN compatibility testing: sample setups to work with OpenBSD
N9ZIA *excellent*: homebrew info (amps, test equipment, ...) online design tools/calcs
Green Bay Professional Packet Radio: more homebrew etc.
Convert OS grid to lat/long
Path loss prediction software (expensive)
First-pass calculations for path loss, perl/excel
Description of propagation models (TIREM)
Thesis on OFDM, with description
Parabolic reflectors to use with standard AP ant's
Easy homebrew 2.4GHz outdoor omni
Good GSM+phone technical forums and here
Locate UK GSM base stations
Online Microwave Antenna Book
Ogier Electronics wireless cable, microwave p-p
Antenna design software
Antenna modelling articles
Vitelec, UK source for coax connectors and assemblies
Helical antenna design for 2.4GHz, good reports
more here and here and here and other design 18dBi
Antenna Systems & Supplies and PV, inverters etc.
Hyperlink Tech
Antenna Factor
Techsplanet.com Ants, Cables, Alt.Energy
Signal generator, testmeter
Pringles can Yagi design 1 and design 2 and more pics
SeattleWireless Wiki: BuildingYagiAntennas
FreeNetworks Wiki: NormalModeHelicalAntenna
2.4GHz omni page 1 page 2
Astron Antennas (commercial mfr, some useful bits in tech library)
Online Yagi calculator
6dBi vertical co-linear (omni, will take *high* power)
simpler 5dBi co-linear
tincan feed for UK satellite dish, ~13.5dBi gain
co-linear omni ~9dBi
double quad, also useful for sat dish
above three and more from here
various antennas (coffee can etc)
Two antenna designs from Finland: Panel and waveguide
Discone antenna, omni, simple construction
Rob Flickenger article on coffee-can antennas
Great FAQs from antenna manufacturer
Homebrew antenna shootout
How to modify TNC connectors to RP-TNC
Cantenna and various AP mods
Poynting, ZA antenna manufacturer etc: cheap feeds for dishes
Superpass, CA antenna mfr, mainly patches
fab-corp, antennas/amps/connectors/pigtails (LMR240 on RP-TNC pigtails)
aerialix - low cost antennas, assembled and kits
Waveguide Antennas, wide beamwidth 180°/360°
UK ordering for Poynting & other ant's & pigtails
FAQ about sectors, cables, etc from wholesale vendor
A few homebrew antennas, site from people doing CLAN
Space-saving crossover/modem/nullmodem/cisco/loopback using one ethernet cable mirror
Yost Serial Device Wiring Standard
Soekris battery backup
MiniPCI cards (audio, video capture etc) maybe useful for Soekris kit
bwct, lots of unusual modules (incl. multiport USB-serial for term servers)
Pebble, a compact Linux distro from NYCWireless
Run-from-ramdisk tools for OpenBSD
Flickenger/Westervelt supplying radios, outdoor enclosures, cable etc
OpenBSD tool to remove unused devices from a kernel
SER, Lightweight SIP registrar/proxy/redirect
Getting started with *
Sample * configs
voip-info.org * wiki
ONLamp intro to *
ONLamp followup, adding pots and sip providers
*nix RealPlayer
Low power radio and links and mods and more mods
Broadcast equipment
Low power radio FAQ
LiveIce Live source client for IceCast
gstreamer: open source multimedia framework
Recording LPs to CDR (noise reduction etc)
The Coaster Factory, good CDR info
PCI Latency patches - fixes KT333 audio clicks
Low-noise quality PCs, designed for audio use
Keychain SSH keychain management
Sight Systems, rackmount/industrial PCs
PCICase, rackmount cases
http://www.bn-paf.de/filter/
Refurbished PC/laptops
More refurbished PC/laptops
Kashmir 3D (landscape CGI, maps)
Cyberpunk pages including etext of Bruce Sterling book
Norton Ghost tutorial
Run Win9x from CDROM
Lyngemark Satellite channel guide
Kingofsat Satellite channel guide
Linux-DVB
Convert screenshots to HTML
Great page about making bootable CDs and network boot disks
VNC server for Commodore 64
A history of BBC Internet Services
Hotsanic, Nice graphs for system monitoring
TClock, put date in win taskbar clock, change start button
Desktop Calendar, put month's calendar to wallpaper BMP
Good Fonts site
Design for DIY ISA flashrom programmer
Open source personal video recorders
Clear animated GIFs of different types of engine
Interesting Neal Stephenson Wired article on the FLAG
Online textbooks covering electricity and electronics for students and hobbyists
Chemical Engineering Fun for Kids
s5 Standards-based slideshow, web-based, non-proprietary OperaShow equiv
TCP performance calculator, shows effect of rwin/RTT/pktloss
Cable lacing
| $Id: tech.php,v 1.4 2016/09/06 19:34:42 sthen Exp $ _ |
