field telephone

LF/VLF Portable Loop Antenna - The octoloop antenna is a length of 25 pair telephone wire inside an octagonal loop shield of 3/4 hard copper pipe

Antique Wireless Association - Electronic communication museum Bloomfield, NY USA

TX0DX Chesterfield Isl. - Chesterfield Islands DXpedition 2000

Western Illinois Amateur Radio Club - WI ham club partecipate in Field Day, sponsers an annual Swapfest held in August, and provides various repeaters.

Brightleaf Amateur Radio Club - Club activities, news and newsletter Ham Chatter Online features a member each month. Field Day pictures, etc. Home of VOA transmitter sites. Club calls, W4AMC & W1VOA Greenville, NC

Alliance (Ohio) Amateur Radio Club - Club Information, Membership roster, officers, meetings, field day and more.

NTAN Nightly Talk Around Net - Nightly Talk Around Net sparked many new ideals and has promoted Amateur Radio in our area with things like, ARES, Skywarn Classes, Field Day, VE testing, Internet and other events that bring our Hams together as one big family.

B.A.R.A. Hamfest - Bakersfield Amateur Radio Association Ca

K7HG Ham Radio It's Great - John Agrelius K7HG. Learn about Ham Radio.. See what Amateur Radio Field Day is all about. Download Free Ham Software.

K-Com - comprehensive line of products for rejection of Radio Frequency Interference (RFI) to telephone equipment.

RM Italy  ^pop - RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more

Optoelectronics - DTMF, RF, decoders receivers and accessories icluding computer interface boards, frequency counters, tone decoders, spectrum sweeper and nearfield receivers

DTMF Kit - DTMF-KIT1 board for Transceiver, board for Telephone-Line and Remote-control without a HAM Transceiver

Pacific Research Solutions - Repeater Controllers, Repeater Tone Panels, Telephone Interface, Remote Monitoring Systems, Process Control and TDS Monitors

Connect System - Controllers and Telephone interconnects.

I.C. Engineering - Electromagnetic field strength meter

900MHz telephone frequencies - Frequency table for 900Mhz phones

Sporadic E - Informations and graphs about Spordadic E and F.A.I. (Field-Aligned Irregularities)

GcmWin : Great Circle Map  ^pop - GCM is a freeware great circle map plotting software for windows, you can choose colours, scale, meridians, fields and or squares from the maidenhead locator system.

RadioTelephone Tutor - Helps you study for the Ham Radio & FCC GROL exams. Often times, test questions are worded in ways; that fool you. RadioTelephone Tutor drills on missed questions, till you know the answers backwards and forwards. Can take entire question pools in straight, or random order. Creates a practice test; which represents what you would be given in a real exam.

YPlog - YPLOG logging software for Windows support Icom and Kenwood Radios, map programs and a program for coaxial trap design.

Field Day Logging Program 1.2 - This program checks for duplicates (including partials), lists the sections (which change color when they have been worked), lists all contacts, writes ASCII log, dupe and summary files, and provides many current statistics by N3FJP

Dmorse & WDmorse  ^pop - DMORSE freeware teaches Morse Code in simple steps. It is useful both for those starting to learn morse and for those who wish to increase their speed. Dos and Windows versions available.

Fitting a PL259 to a coaxial cable - Quick and dirty method to fit a common PL259 to coax cable

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas