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HF Propagatie


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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 links of the week Issue 1731  Kijk naar?

HF multi-band Delta loop antenna, 4 Element Yagi for 18 MHz, Bazooka Antenne, Antenne double-bazooka, Bazooka-Dipol, K9AY Loops, Polarization Rotator for EME, Antenna Safety - Elevated Work Platforms, DitDit.fm - Morse Code Podcast,
(01/01/1970 @ 01:00)
Top Amateur Radio links of the week Issue 1730  Kijk naar?

KC0KJF Doble Bazooka, A Basic Introduction to EME, Bazooka para 40 metros, Half-Wave 17 Meter Rotatable dipole, Magnetic Loop RF Safety, M0VKK VHF UHF Liear Amp, RF Safety in Tower Climbing, RF Standards and Regulations
(01/01/1970 @ 01:00)
CQ WW DX RTTY Contest 2017  Kijk naar?

(01/01/1970 @ 01:00)
DAV FCA1000 HF+50 MHz Power Amplifier  Kijk naar?

FCA1000 new Solid State RF Power amplifier for the HF Bands + 50 MHz by DAV
(01/01/1970 @ 01:00)
Top Amateur Radio links of the week Issue 1729  Kijk naar?

Shortened EFHW Antenna 80-10m, How Common Mode Chokes Work, Multiband trapped end fed antenna, RF Safety at Field Day, WSJT-X, Yaesu Mark V FT 1000 MP, Adventure Radio Society
(01/01/1970 @ 01:00)
Follow us on Facebook  Kijk naar?

Join dxzone.com on Facebook. Get all new links published in facebook every day.
(01/01/1970 @ 01:00)
Amateur Radio Clubs  Kijk naar?

Is your ham radio club listed ? Thousands of links to amateur radio clubs all around the world. Add link to your club.
(01/01/1970 @ 01:00)
Contest Online Score Board  Kijk naar?

Contest Online Score Board server, collect real time contest scores directly from the most popular Contest Log programs and displays aggregated live scores on contest pages. Support several contest and many contest log software.

... / ... Lees meer...

(01/01/1970 @ 01:00)
NVIS Propagation  Kijk naar?

Propagation/NVIS Propagation
Near Vertical Incidence Skywave propagation is a form of radio wave propagation used on the MF and HF bands to provide radio communications and broadcasting coverage over short distances, especially where the terrain contains obstacles.

... / ... Lees meer...

(01/01/1970 @ 01:00)
ZD7BR St Helena DX Pedition 2017  Kijk naar?

DX Resources/DX Peditions/2017 DXpeditions
DX Pedition to St Helena 10-80 meters bands SSB RTTY FT8 CW by G0VDE
(01/01/1970 @ 01:00)
3C1L Equatorial Guinea - 3C0L Annobon DX Pedition  Kijk naar?

DX Resources/DX Peditions/2017 DXpeditions
9-22 October, 2017 3C1L 3C0L DX pedition to Republic of Equatorial Guinea and Annobon 2017
(01/01/1970 @ 01:00)
S21 Bangladesh IOTA DXPedition  Kijk naar?

DX Resources/DX Peditions/2017 DXpeditions
G3KHZ, SM6CVX, G4EDG, DL6KVA + S21ED and S21TV will activate Bhola & St Martins island AS-140 AS-127
(01/01/1970 @ 01:00)
Near vertical incidence skywave - wikipedia  Kijk naar?

Operating Modes/NVIS
The wikipedia article about NVIS Near vertical incidence skywave with information about usable frequencies and some general information on main NVIS oeprations usages
(01/01/1970 @ 01:00)
Horizontal Loop Antenna Experiments  Kijk naar?

The HF horizontal loop has been around for many years now. This article includes a YouTube video and discusses the reasons for looking at this antenna, its design, and its installation. There are some on-air comparisons against three regular double bazooka (coax) dipoles and the Par SWL End-Fed antenna.

... / ... Lees meer...

(01/01/1970 @ 01:00)
NVIS: Near Vertical Incidence Skywave  Kijk naar?

Operating Modes/NVIS
Operating NVIS mode, understanding operation frequencies, choosing the proper antenna to operate with the Near Vertical Incidence Skywave propagation
(01/01/1970 @ 01:00)
Interfacing HAM radio  Kijk naar?

Technical Reference/Sound Card Radio Interfacing
An article about interfacing amateur radio devices, usually transceivers to computers. It is a general article that cover common interface models using USB or RS232 for popular ham radio brands like Yaesu Icom and Kenwood

... / ... Lees meer...

(01/01/1970 @ 01:00)
Sounds of Meteors  Kijk naar?

Operating Modes/Meteors
Sound recordings of meteors and things reflecting TV station video carriers , frequencies used are analog TV video carrier frequencies offset by 1 kHz SSB
(01/01/1970 @ 01:00)

Laatst import : 17/10/2017 @ 01:17

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