The world of lf

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The world of lf

The world of lf

The fcc has finally allocated a new lf band, 135.7 to 137.8 khz, to the amateur service on a secondary basis

post 14 Feb 2025

SWL Shortwave DX Radio Links →

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DXing Info
news source about international mediumwave and shortwave broadcasting for DXers and radio professionals

Europe Radio and Television Broadcasting
RadioStationWorld is an informational directory dealing with the radio broadcasters worldwide

Radio amateur activities of LX4SKY

Microsat

Microsat Ham radio shop for ulari project, aprs, aprs with radio, bluetooth, gps, gsm, ham radio interfaces, weather,accessories, cables to radio

Kits and Components

Amateur radio kits by Kanga US

Enigma Component Shop

Enigma Component Shop Cable & wire,capacitors, connectors, crystals/oscillators, filters, hardware,kits/modules,test & measurement

1/4 Slopers 40/15M Band The antenna that most suited this application was a 40m band sloper as the guy wire to be used was slightly longer than a 1/4 wave length at 7 MHz and the top fed sloper was the most convenient installation having the least impact

30-40 Meter Vertical I built this antenna specially to be used on the 30 meter band. The coil used is big enough to cover the 40 meter band as well. The coil is a bit over kill to just run 200 watts through it, but it was given to me. This coil came from a broadcast transmitter

Double Extended Zepp NVIS Antenna Calculator The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS Antenna

DHD Double Half Delta

DHD Double Half Delta This is a dhd double half delta in theory it should return a low signal but with a good s - n ratio roughly like a beverage

Carico fittizio 50 ohm 1600W

Carico fittizio 50 ohm 1600W Carico fittizio 50 ohm 1600w in olio minerale di paraffina con schema elettrico

Build a 12/17 Meter Trap Dipole

Build a 12/17 Meter Trap Dipole Why a 12/17 meter rotatable dipole? Well, many folks have verticals for the lower bands

trap-dipole-80m-40m Dual Band Vertical

80m-40m Dual Band Vertical Hopefully this will help others looking for a good 80m/40m antenna, i have enjoyed this antenna project and it works very well

ic-7000-mic-modifica

IC-7000 Microfono modifica a modulazione un poco troppo telefonica, non è un difetto, ma è una caratteristica di tutte le nuove generazioni di radio, specie le ICOM