Other Wireless Network Sites

• L0pht Heavy Industries' Guerrilla.net
• KE5FX 10 Mbps wireless Ethernet  Build this.  (he gets no respect).
• Wireless Linux router project
• The shack of VK3JED  2.4 GHz antenna diagrams.
• Another person using the Symphony
• Steve Sampson's 4.65 mile link with a Symphony  dead?
• Digital Radio User's Group
• North East TCP Association
• Wireless Hummer
• Lucent WaveLAN/IEEE and Apple AirPort on LinuxPPC
• Adding AirPort base station antennas
• Pictures of a modified AirPort with an external antenna
• Airport Stuff
• Additional wireless networking notes and links  dead?
• N4YWK's microwave radio page
• Phil Karn, KA9Q
• WhistlerWEB Wireless  Very good pictures with descriptions.
• The Internet Radio Linking Project  Links ham radio repeaters using voice over IP technology.
• Consume The Net
• Seattle Wireless
• The Xlan Project
• BAWUG - Bay Area Wireless User Group
• The South Bay/Silicon Valley Wireless Ethernet Project
• Using a Unix computer as a 802.11 wireless base station
• The Personal Telco Project
• Libor Ulcak's RFScan Website
• Freenetworks.org

Pictures

• 802.11b Linksys WPC11 PCMCIA Card Inside Pictures
• Winegard parabolic dish patent information  Patent number on my dish.
• Lance Industries parabolic dish patent infomation
• Pictures and specifications for BreezeCOM antennas
• Picture of a Proxim Symphony ISA card  It's not naked.
• Picture of a Proxim Symphony PCI card
• Pictures of professional antenna installs
• Free space path loss chart from 1 to 30 miles at 2.4 GHz
• Free space path loss chart from 1 to 5000 feet at 2.4 GHz
• Fresnel zone clearance chart from 1 to 30 miles at 2.4 GHz
• Line of sight distance calculator chart
• Pictures of enclosures with Breezecom and YDI equipment
• Pictures of Skyhop installations
• Inside a Tecom 8dBi 505040D 2.4 GHz omni antenna  picture two
• CNN Clip of NYC Wireless
• Raylink pictures
• Pictures of the Maxrad mini-antenna for laptops
• Adding an antenna to a D-Link DWL-650
• Pictures and details of a lightning protection subsystem
• WCS installation pictures

Datasheets / Technical Notes

• IEEE 802.11 specifications
• Intersil Review of Spread Spectrum Techniques  A must read. (168k PDF)
• A Mathematical Theory of Communication by Claude E. Shannon
• LMR-400 coaxial cable specifications  (20k PDF, HTML version)
• Intersil PRISM application notes
• Solectek wireless network information center  Very good technical notes.
• Online microwave antenna handbook
• IEEE 802.11 standard  (340k PDF)
• Active devices for the 2.4 GHz ISM band
• AMD wireless LAN DSSS PC card reference design  (226k PDF)
• National LMX3162 single chip radio transceiver  (271k PDF)
• Unlicensed National Information Infastructure  5.8 GHz band.
• Wireless network lab at Cornell University  Check out the research papers.
• Papers by Hari Balakrishnan  Wireless TCP/IP god.
• Wireless research papers at UCLA
• Lucent Technologies wireless research laboratory
• The FHSS Wireless ISP FAQ  By Midcoast Wireless
• Optimizing compilers for low power operation
• Wireless ATM links  Most of these links are broke.
• Technical comparison of frequency hopping and direct sequence spread spectrum
• Selecting a Wireless LAN Technology  Comparison of FHSS vs. DSSS.
• A dozen ways to see and love your feeders  Not as gross as it sounds.
• The Effects of VSWR on Transmitted Power  Very good overview on some of the myths of SWR
• Weak Signal Detection: Recovering Signals From Noise  Good notes and program source.
• Antenna Visualization
• EW and Radar Systems Engineering Handbook by the US Navy
• Astron Antennas Technical Library  Good antenna notes.
• Low Noise Amplifiers for 2304, 3456, 5760, and 10368 MHz using the ATF-36077 PHEMT
• NO-TUNE SSB/CW TRANSCEIVER FOR 1296, 2304 AND 5760MHz
• Plans for a 13 cm 1.2 Mbps wireless transceiver
• Interactions Between Lucent WaveLAN and Metricom Ricochet Spread Spectrum Digital Radio Equipment: An Empirical Test
• Spectrum use summary 137 MHz - 10 GHz
• Electromagnetic spectrum chart
• US Frequency Allocation Chart  Spectrum chart you can order
• Wireless Transmission Technologies
• Antenna Properties and their impact on Wireless System Performace  By Cushcraft (728k PDF)
• A Low-Cost Method for Constructing a Shielded Enclosue  (54k PDF)
• Antenna notes and articles by L. B. Cebik, W4RNL
• Wireless LANs Using Spread Spectrum Technology
• Connector loss measurements  Connector loss is not as bad as you think ...
• linux-wlan-ng-0.1.6.tar.gz
• Hardline connector installation how-to
• Do-it-Yourself 2.4 GHz WLAN antenna

Hardware Suppliers

• RF Micro Devices  Free samples.
• Stanford Micro Devices  Free samples.
• TriQuint Semiconductor  2.4 GHz amplifier ICs and SPDT RF switches
• Insight Electronics
• Marconi Electronic Systems  2.4 GHz RF amplifiers with integrated switches.
• Philips Semiconductor wireless IC line
• Hittite Microwave Corporation  Good application notes and free samples.
• HD Communications  Sells all kinds of microwave gear.
• Down East Microwave  RF amplifier and LNA kits.
• Davis RF  LMR-400 for $0.53 per foot.
• SRC Cables  Free cable samples, with connectors!
• RC Products  Free catalog and RF connector samples.
• Cable X-Perts  Sells N connectors and LMR-400.
• Tessco  Sells just about everything.
• Mini-Circuits  Has many useful microwave parts.
• Richardson Electronics  Sells RF ICs.
• Conifer Corporation  Recently acquired by Andrew Corporation, who naturally jacked up the prices by 80% and will not sell you MMDS antenna's unless you are an authorized dealer. Oh, did I mention the minimum order of 20 units?
• Pacific Wireless  Nice antennas.
• Teletronics commercial 2.4 GHz RF amplifier
• DB6NT power amplifier for 2.4 GHz  Amplifier only.
• WL-2400 50 50 Watt Wireless LAN Amplifier  50 Watts!
• Stealth Microwave  Amplifier only.
• Wireless Projects, Vendors, and Products

Propagation

• Hourly STD DMSP/POLAR Auroral Activity Report
• Real Time Aurora Watch
• Near-Real-Time Maximum Usable Frequency Map
• Propogation Information
• ACE RTSW Solar Information
• Today's Space Weather

Miscellaneous

• Various coaxial cable specifications at 2.4 GHz
• Example of some expected transmission losses in LMR series coax
• Examples of some new modulation techniques
• New connector rules for Part 15 devices
• Ultrawideband radio attacks spectrum drought
• Keystones Wireless Resources  Lots of good links.
• Britney Spears Guide to Semiconductor Physics
• MacGyverisms  Wireless networking with duct tape and a Swiss army knife.

Links of Interest

• TerraServer  Destroy microsoft.
• TopoZone  Online topographical maps.
• Freenet  Networks with no central authority.
• Links for FM Transmitter Kits, Circuits, Electronics ...  Lots of good links for technical information.
• Wireless radio tower location finder  Locate towers in your area.
• Introduction to wireless LANs
• Online lectures about digital communication
• MapBlast  Map generator.
• American Telecasting  Wireless cable provider.
• Wireless cable technical overview
• XTP overview  Alternative transport protocol.
• Another XTP overview
• Asymmetric wireless networking
• Time Domain  New ultra wideband modulation techniques.
• Communication Devices Using Ultra-Wideband, Nonsinusoidal Communication Technology  Cool stuff.
• Ultra wideband radio Yahoo link
• Ultra-Wideband Working Group
• VMSK/2: high bps, low BW, (allegedly) no snake oil
• The VMSK Delusion  Phil Karn rips apart VMSK/2
• Spread Spectrum Scene Online
• Fractal Antenna Systems
• fractus
• Optically Transparent Patch Antennas
• Microstrip Patch Rectenna With High Output Voltage
• Fractal antenna article in Scientific American
• Unofficial NEC archive  Antenna modeling software.
• Ricochet by Metricom  Commercial wireless Internet access.
• Cisco fixed wireless solutions
• Construction of a modern AM transmitter site  Very thorough overview of an AM broadcast facility installation.
• Pictures of a neglected AM radio tower site
• 2.4 GHz downconverter modifications
• High power, broadband, linear, solid state amplifier design
• How Stuff Works - Ham Radio
• Open Cores  Open/Free hardware design
• How to remove Windows NT
• Wireless ISP mailing list archives

Political

• Lonnie Kobres FCC raid photos
• The Public Servant Questionaire
• Abolish the FCC  Abolish the FCC and let common law rule the telecom.
• Field manual of the free militia
• Committee for Democratic Communications  National Lawyers Guild will protect you.
• Search for corrupt police officers
• The Art of War
• The FCC Conspiracy