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HF Propagation


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Friends News - The DXZone.com

The DXZone.com Amateur Radio Internet Guide

Latest articles, reviews and links posted to The DXZone.com, an amateur radio, cb radio, scanning and shortwave radio, reference site

Top Amateur Radio Websites - Issue 1921  View ?

Long Wire Antenna for portable operations, ICOM IC-7610 review by PD9Z, TelTad Online Shop, ADALM-PLUTO SDR, DX HOLIDAY
(01/01/1970 @ 01:00)
(01/01/1970 @ 01:00)
Top Amateur Radio Websites - Issue 1920  View ?

Build your own RF-Choke, End-Fed antenna for 17 and 12 meters, Harbach Electronics - Amateur Radio Amplifier Parts, Delta Loop DX Antenna for 40 meters band, UKW-Berichte Telecommunications, F-troop, VK6FLAB Podcasts - Foundations of Amateur Radio
(01/01/1970 @ 01:00)
(01/01/1970 @ 01:00)
Top Amateur Radio Websites - Issue 1919  View ?

Isotron Antennas, Maria Maluca by DL4AC, G3TSO Mobile Antenna Page, Flag Database - Miniflags by Mooney, Microwave Transverters Projects
(01/01/1970 @ 01:00)
ICOM IC-R20  View ?

IC-R20 by Icom. Wideband Receiver Professional radioreceiver, allow double receiver, from HF to Microwave, digital recorde, DTCS, Memories and 11 hours countinuous reception.
(01/01/1970 @ 01:00)
ARDF Equipment Ideas  View ?

Operating Modes/Radio Direction Finding
RDF Equipment Ideas for VHF Foxhunting and Radio-Orienteering. This information is primarily for the Amateur Radio two-meter band
(01/01/1970 @ 01:00)
ARDF Sprints and Fox-oring  View ?

Operating Modes/Radio Direction Finding
About Amateur Radio Direction Finding events, sprint and Fox-Oring spcialities. Sprints are intended to bring ARDF nearer to the public and to attract potential sponsors and new athletes to ARDF. Foxoring encourages ARDF enthusiasts to improve their orienteering skills.

... / ...

(01/01/1970 @ 01:00)
Antenna Mast Guying for Amateur Radio Antennas  View ?

Article based on ROHN engineering specification that will guide on proper guying heights and guy lengths when guying ham radio antenna masts. It will help you determine ahead of time the proper length of guy wires and the distance from the base of the mast to the anchor points

... / ...

(01/01/1970 @ 01:00)
MSL - Mechanical Systems Lehmann - Telescopic Masts and Towers  View ?

Manufacturers/Towers and Accessories
Specialist for vertically adjustable supporting frameworks including telescopic masts and telescopic towers for ham radio systems, lighting systems, measurement techniques, observation systems. Located in Gnaschwitz Germany

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(01/01/1970 @ 01:00)
How setup the antenna tower  View ?

A multiple page article about assembling the antenna system, this section includes informations on constructing of the concrete tower base, starting from setting up correctly the foundations in relation to the antenna height.

... / ...

(01/01/1970 @ 01:00)
Trapped Dipole Antenna for 20-30-40m  View ?

An 20 30 40 meters trapped dipole antenna plan for sota and portable operations.
(01/01/1970 @ 01:00)
Folded dipole antennas: terminated vs un-terminated  View ?

As the name suggests, it is simply a dipole with the tips folded towards each other. In this case, a full-wave dipole. The span of a standard folded dipole is aprox 0,5 lambda
(01/01/1970 @ 01:00)
KM4NMP  View ?

Ham Radio/Blogs/USA
Web site and blog that reviews equipment, goes over safety, and display projects being built. Includes Yaesu FT-891 and Ameritron RCS-10 Review, a 555 Morse Code Practice Oscillator, and and arduino based Morse Code Practice Oscillator

... / ...

(01/01/1970 @ 01:00)

Manufacturers/QRP Kits
Makers of QRP HF General Coverage Transceiver you can build. The Home of BITX transceivers, µBITX General Coverage Receiver-Transmitter. . A general coverage, 10 watts HF SSB/CW transceiver kit with features you NEED for operating ease, convenience and versatility. It works from 3 MHz to 30 MHz, with up to 10 watts on SSB and CW, with a very sensitive receiver.

... / ...

(01/01/1970 @ 01:00)
Vertical Antenna for 30 meters band  View ?

Homebrew 30 meter full quarter wave vertical antenna.
(01/01/1970 @ 01:00)

Last import : 24/06/2019 @ 23:47

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