phone app

Antenna tips for the beginner - Some rules of thumb for beginners, with a QRP approach, by James R. Duffey KK6MC/5

Crappie Antenna - A NorCal Project A Crappie, not crappy, portable antenna

W9DC IOTA Awards - W9DC North America Amateur Radio checkpoint for IOTA Islands on the Air and WLH World Lighthouse award applications and award instructions; Island and lighthouse award links for international radio operator activities

Sandusky Valley Amateur Radio Club - Information on SVARC & SCARES

K6RF Streaming Video - Live video and audio feed from K6RF ex K6DXC radio shack. Audio is from either the FT-920, FT-817 receivers or a microphone. Video is from a Logitech Pro-4000 Webcam

Star Antenna  ^updated - Communication Electronic designs, manufactures and markets antennas for fixed wireless and mobile wireless applications in a wide range of frequency bands.

RACOM - Radio modems - RACOM is a Czech company specialized in design and production of radio modems and other devices for wireless data networks for radio channels from 140 to 900 MHz. RACOM radio data networks are suitable for data transfer in telemetry & SCADA applications, transaction networks, security systems, IP networks and firts of all mobile tracking and fleet management.

Otto engineering - Otto engineering is comprised of two divisions otto controls and otto communications. otto controls designs and manufactures a full line of switches and grips used in heavy equipment, aerospace, marine, medical and other demanding applications. otto communications designs and manufactures audio accessories for two-way radios used in public safety, police, fire, retail, hospitality manufacturing and other markets.

CAP Wireless Amplifiers - Design and manufacture application specific microwave and RF amplifiers, upconverters, downconverters and multifunction assemblies.

FlexRadio Systems - Software Defined Radios - FlexRadio Systems delivers the first truly open source Software Defined Radio transceiver for Amateur Radio use. Receive Only versions are also available for non Amateur Radio applications. Read the SDR Articles and the SDR-1000 Product Information.

Pactor ii - PACTOR-II is a fully backward-compatible improvement to the original PACTOR system. It is an adaptive mode that applies different modulation and encoding methods depending on the channel quality.

Psk31 - PSK31 is a digital communications mode which is intended for live keyboard-to-keyboard conversations, similar to radioteletype. Its data rate is 31.25 bauds (about 50 word-per-minute), and its narrow bandwidth (approximately 60 Hz at -26 dB) reduces its susceptibility to noise.

NVIS Propagation concept - Army Field Manual 24-18 Appendix M with Graphics

What about those Icom inputs - Heil sound - which microphone can I use on my ICOM ?

W8WWV Icom 706MKIIG simple accessories - Acc1 Breakout Box, Fused Power Cable with Accessory Tap, Microphone Breakout Box, CI-V Interface, Using the Auto Sound System for Receiver Audio

Yaesu FT-857 serial cable - Here is a serial control (CAT) cable that plugs into the FT-857's microphone jack, freeing the CAT/Linear jack for other purposes.

Yaesu FTDX-5000 Manual Part 1 - FTDX-5000 Operating manual part 1

Easy programming the V8000 with the hand microphone - A quick and easy method of programming memory channels The Icom IC-V8000 manual leaves much to be desired due to the translation. The operator's manual included with the Icom IC-V8000 can be very confusing to the new ham and the old timer alike, and lots of hams get very disgusted when trying to program the IC V8000 using the instructions provided with the operator's manual.

N4ATS.com - N4ATS - Devoted to the Yaesu FL-7000 Amplifier. I have been rebuilding, repairing, and applying modifications to the Yaesu FL-7000 amplifier for 15 years. Over 200 units completed and counting!

Francoelettronica - Cb LPR microphones and Falkon products

Shortwave Radio Appraisal Tool - Just fill out a form and LessWaiting.com will appraise the value of your shortwave radio instantly, free of charge.

XLZIZL by AC6LA - XLZIZL is an Excel application that analyzes the components of an antenna feed system, including transmission lines, stubs, baluns, and tuners. Calculations include impedance transforms, SWR and reflection coefficient, power loss, voltage and current standing waves, stress on tuner components, network attenuation (S21), and return loss Analysis results are available in worksheet format and in five different chart formats, including Smith charts.

MorseGen v1.2 - MorseGen converts text into a WAVE file of Morse code. The Tone and Speed are adjustable and the WAVE file can be repeated at a pre-set interval allowing it to be used as a CW Ident for amateur radio applications which require it.

Winxx data converter - WinXXDataConverter is a Windows GUI application that will convert files between the various formats used by Win92, Win93, Win95, and Win96.

CB Mic Wiring  ^pop - Excellent resource for microphones wiring including old make of cb radios. Microphone wiring can be a real pain if you arent sure how to work out which wire goes where. On this page i will try to explain the basics and also give you the wiring positions for most CB radio's