220 mhz mobile

G4CQM Homebrew VHF Yagi antennas  ^pop - Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis

7 Elements YAGI for 144 Mhz  ^{updated  pop} - The QM7 antenna is a simple 7 elements Yagi with 3.7 m boom length for the lower 144 MHz SSB/MGM band, in PDF Format

Moxon rectangles for 6 Meters - Moxon antenna for 50 mhz, The Moxon rectangle is a quite broad-band antenna, but it is not quite broad enough to cover the entire band.

Six Meter Moxon Antenna  ^pop - N2MH description and phots of a moxon antenna for six meters band, includes clear pictures, drawings and assembling instruction to build this antenna for 50 mhz.

GM4XRF Loop antenna plan - A motor driven magnetic loop antenna 1.5 meters square for 3.5-10MHZ by GM4XRF

EH Antenna QRP tests - A QRP test with the EH antenna for 27 MHz

J-Pole theory  ^pop - The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.

Jpole by EA6IC - Jpole antenna plan for 144 and 435 Mhz

Antique automobile radio repair - Repair antique automobile radios and offer old car radio GM & Ford schematics from the 1930's. providing free estimates and partial list of schematics

An EH Antenna for 27 MHz Packet Radio - An EH antenna for 27 MHz packet radio

Caribbean Maritime Mobile Net - The Net operates daily on 7.241 MHz from 1100Z to 1200Z, assisting cruisers in contacting each other, being contacted by land based stations, and enabling them to keep in touch with their home bases, family and others

Pacific Seafarers Net - The Pacific Seafarer's Net operates from 02:30Z to 04:00Z, 7 days a week, 365 days a year on 14.313MHz and sometimes on 14.300MHz. Between 02:30Z and 03:24Z we perform general traffic handling, and then at 03:25Z the rollcall portion of the Pacific Seafarer's net begins.

Maritime Mobile Service Network - Maritime Mobile Service Net for disaster help on high seas on foreign lands

Saddleback Repeater Association - Southeast New Hampshire W1SRA / 147.000Mhz / Negative Offset / 100.0 PL Tone Welcome to the Sunday Night Net each Sunday evening at 8:00 PM.

Alabama mobile police - Alabama mobile police scanner feed

Low Power Radio Modules - Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more

Operating the 28MHz (10m) Band - Excellent page on operating 10 meters band by G3XBM

Morse code ringtone generator - This page converts text into a morse code ringtone playable on most mobile phones.

Shortwave Propagation - Description of shortwave propagation on shortwaves, refers to those wavelengths which occur with frequencies from about 3 to 30 mHz, or 100 to 10 meters

CES Product Manuals - CES Wireless Technologies is a world leader in the design, manufacture and implementation of Wireless Signalling products - Including GPS, AVL, MDT's, Mobile Data Terminals, CTCSS, and Microphones

The HAM Contact - Mobile antennas, alternative power sources, ham radio accessories

Hobby Radio Stop - Mobile scanner antenna or Base station scanner antenna, scanner manuals and scanners

Alaska R&C Comm. - Radio store for Mobile phones, Marine Electronics, Amateur Radio Equipment, Land mobile Radio Equipment, Garmin, Vertex Standard, horizon, Kenwood, Alinco, timewave

50Mhz amplifier GS35b by OZ1DPR - A 6 meters band amplifier width schematics

Cellular Phone Interference - Cellular Phone Interference and 800 MHz Public Safety Radio Systems: An Unforeseen and Dangerous Problem