70 mhz converter

Coax cable dipole antenna for 10 Mhz - Coaxial Cable Dipole for 30 meters band by I2NDT with detailed pictures of his dipole antenna setup.

40 Meter coaxial antenna - An antenna for 40 meter band made entirely of coaxial cable either RG58 or RG59 Au.

A Hairpin match for 5 el. Tonna - How to improve the gain of your 5 element Tonna yagi for 50 MHz by roughly 3 db! by PA2HJS

KC0TKS Antenna Calculators - Allow calculation of a dipole, 3 element yagi and a vertical antenna

Building baluns  ^pop - How to easily home-brew baluns even in strange formats 1/1 - 2/1 - 4/1 - 6/1 - 9/1 - 12/1 et 16/1 for bands from 1.8 to 30 (50) MHz in french

The Ultimate transmatch - Usage and benefits of transmatch. A pdf document from a QST article made available for novices and beginners by ARRL

Let's talk transmission lines - Don’t neglect one of the most important parts of your station!

Michelle Troutman Electronics - Sams Manuals and Manufacturers' Service Manuals Sams from the early 1950s through late 1970s; various service manuals for brand name equipment from the 1950s to 1991. NOS Vacuum Tubes A price list of over 1100 tubes.

Old Radio Parts - Vintage and reproduction electronic parts specialist - antique radio dials and knobs, 1940-1970 era phonograph cartridges, needles, idler wheels.

Old Radio Parts - Vintage and reproduction electronic parts specialist - Antique radio dials and knobs, 1940-1970 era phonograph cartridges, needles, idler wheels.

Canadian Antique Radios Schematics Diagrams Service - We specialize in canadian antique radio schematics for vintage tube radios made in canada. we carry lots of factory electronic circuit schematic diagrams as well as all rcc / radio college of canada service data 1920's - 70's.

Rete QRSS/QRPp a 28.322 MHz - A QRSS Blog

HA1YA Mechanics & Electronics Inc. - Specializes in manufacture of middle and high power RF decks and high quality linear amplifiers with metall ceramic tubes for HF, 6m, 2m and 70 cm bands. Transverters, power supplies and control units

Discovery Power Amplifiers - The Discovery series of amplifiers are designed and built in the UK by Linear Amp UK Ltd, one of the world’s leading amplifier manufacturers, specializing in high power RF tube amplifiers. The amplifiers use large GS31 or GS35 ceramic triode tubes. Band coverage 6m, 2m and 70 cms

Comtechpst.com - High Power RF Amps - Comtech PST offers solid-state power amplifiers in frequency ranges from 1 MHz through 3.6 GHz, with output power levels ranging from 5 watts to over 30 kW

I0SKK - 10 MHz QRPp beacon - Pictures and schematics about QRPp experiments using QRSS on Ham Bands as 10 MHz, 7 MHz,

Work satellite with single IC-706MKIIG - You wanna try to work modern satellite like AO-40 but have only one rig ICOM-706MKIIG ? This article will help you.

HeliCoil - Inductance calculation for single layer, air-wounded coils and helixes up to about 800 MHz. Inductance calculations accuracy is around 1%. Also, coils with maximum Q for given inductance, resonant RF chokes, PI and T resistive attenuators calculations are provided. Skin effects, radiation losses and other minor side effects are not accounted in maksimum Q factor coils calculations. Program assumes using copper (Cu) enameled or silver (Ag) plated wire. Program is writen bilingual in English and Serbian by YU1AW

RF Filters - MS DOS Program for calculations of HP, LP and BP filters at VHF and UHF frequencies up to about 800 MHz by YU1AW

Contest Log Converter - Contest Log Converter it's a Windows program that allow to convert data file between the most used Contest Log. The program allow you to convert 12 different type of contest, selected from the common contest managed from the Contest Log program. The follow program ,CT by K1EA, TR by N6TR and NA by K8CC are full supported with the conversion of the most famous world contests.

Linrad - Multiplatoform freeware DSP software. Linrad has its origin in software that was developed for 144 MHz EME CW but it is quite general and should be seen more like a kit for designing a receiver that a receiver for some particular usage. It can be used as a CW receiver with a small time delay and a fast waterfall graph. A dsp for conventional receiver to imporve signals readability, a spectrum analyzer.

ADIF Conversion utilities - Converters available from: LogEQF9, Gemradio, SLog 2.09, Hyperlog 4xx, LogPlus, WJ2O, OH1AA, Toplog

59+ Converter - 59+ Converter is an external application which can be obtained as a part of the 59+ Software package that provides extended functionality for exporting, importing and modifying existing 59+ Log databases, dictionaries and tables.

A low cost dummy load - This article describes a low-cost, low-to-moderate power dummy load, which presents a 50-Ohm resistive load from HF through 440MHz.

Vacuum tube Basics - Here's a tale of early '70s vacuum tubes, mainly from the viewpoint of amateur radio.