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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


IARU HF Championship 2018  Kijk naar?

July 14-15, 2018 - Objective: To contact as many other amateurs, especially IARU member society HQ stations, around the world as possible using the 160, 80, 40, 20, 15 and 10 meter bands.
(01/01/1970 @ 01:00)
Yaesu FT-4XR / FT-4XE VHF/UHF HT  Kijk naar?

Yaesu FT-4X 5W VHF / UHF Handheld Transceiver at a very affordable price
(01/01/1970 @ 01:00)
(01/01/1970 @ 01:00)
INRAD Microphones  Kijk naar?

INRAD Desk Microphone System is an exciting line of great sounding microphone models. Each INRAD microphone has an attractive stage-style body and a unidirectional cardioid element with unique audio characteristics to accommodate every operator's voice, radio and preferences. INRAD micrpohones can be connected to most popular amateur radio transceivers, including ICOM, Yaesu, Kenwood, FlexRadio, Elecraft, Ten-Tec products.

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

(01/01/1970 @ 01:00)
Elecraft XV Transverters XV50 XV144 XV222 and XV432  Kijk naar?

Four state-of-the-art transverters are included in Elecraft's new XV Series: the XV50 (6 Meters), XV144 (2 Meters), XV222 (222 MHz) and XV432 (432 MHz). The transverters can be used with nearly any transceiver that covers the 28 to 30 MHz frequency range
(01/01/1970 @ 01:00)
ICOM IC-R20  Kijk naar?

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)
Batteries for portable use  Kijk naar?

Technical Reference/Batteries
Batteries for portable radio operation are always an interesting subject for discussion. Review of some LiPo (Lithium-ion polymer ) batteries for amateur radio use.
(01/01/1970 @ 01:00)
Calculate Antenna Lenght in feet, inches and meters  Kijk naar?

Antennas/Antenna Calculators
Inches and meters Javascript Wavelength Calculator allow to input a frequency in MHz and calculate wavelenght in several units considering also fractions of wavelenght and the velocity factor. Includes an usefull inch to meter converter

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

(01/01/1970 @ 01:00)
Bobcalc 2.0 Air Coil Calculator  Kijk naar?

Software/Circuit Design
Bobcalc is a simple windows software to calculate the air core coils, the most widely used in RF circuits and may use the software to determine the data to build a coil, knowing that the inductance of this coil.

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

(01/01/1970 @ 01:00)
End Fed Half Wave Antenna Coupler  Kijk naar?

Antennas/End-Fed/End Fed Half Wave Antenna
A home made end-fed half-wave antenna coupler with antenna lenght calculator and counterpoise calculator based on center frequency. Includes pictures and drawings along to antenna homebrewing instructions with a home made on air wound transformer

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

(01/01/1970 @ 01:00)
DIY LiFePO4 Battery power for Amateur Radio portable operations  Kijk naar?

Technical Reference/Batteries
An interesting article about a homemade LiFePO4 battery pack for ham radio operations, a 10Ah LiFePO4 based on Headway 38120 Cells
(01/01/1970 @ 01:00)
RadioSet-Go - Innovative QRP Radio Design  Kijk naar?

Manufacturers/QRP Kits
Portable, outdoor, trail friendly, low power HAM radio transceivers and kits for sale
(01/01/1970 @ 01:00)
WRTC World Radiosport Team Championship 2018  Kijk naar?

Contesting
World Radiosport Team Championship, Germany July 12-16 2018
(01/01/1970 @ 01:00)
Jabra 9450 / 9460 PRO Wireless Headset for Ham Radio  Kijk naar?

Technical Reference/Headsets and Speakers
Interfacing the Jabra 9450 flex wireless headset to the Icom IC 7300 ham radio trasceiver.
(01/01/1970 @ 01:00)
End-Fed HalfWave Matching Unit for SOTA operations  Kijk naar?

Antennas/End-Fed/End Fed Half Wave Antenna
An end-fed half wave antenna matching unit made of 3:24 turns ratio on a FT140-43 toroid with a 150pF capacitor across the input.
(01/01/1970 @ 01:00)
Ameritron AL-80B Amplifier Pics  Kijk naar?

Radio Equipment/HF Amplifiers/Ameritron AL-80B
A page with pictures of the Ameritron AL-80B Amplifier, including the inside box where is possible to see the 3-500ZG tube capable to provide 800W in CW.
(01/01/1970 @ 01:00)

Laatst import : 17/07/2018 @ 10:59

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