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Manufacturer industrial and consumer power supply products including switching power supplies, solar panels, solar charge controllers, inverters.

Satellite observing guide and reference

ACARS decoder app for the iPad, iPhone, and iPad Touch

The largest radio telescope in the world.

Come with us and enjoy our voice chat from Chicago, spanish and english.

Stop common-mode current when transmitting with an end-fed antenna. Unbalanced antennas are very prone to currents on the outside of the coax.

A home made field strength meter wit detailed pictures and schematic diagram by W4ZT

FRC since 1927, contesting is supported by an extensive PacketCluster Network

This article describes the design and simulation of a multiple dipole antenna for the HF band, using the software MMANA-GAL. The antenna will be designed to operate in the 10, 20, 40 and 80 m bands

Live feed for NHP rural areas of Moapa Laughlin Primm Alamo Indian Springs

PropNetPSK is a PSK (Phase Shift Keying) program capable of receiving multiple signals (2 - 16) at one time for the exclusive use to decode a properly formatted PropNetPSK beacon signal. If you are looking for a Keyboard to Keyboard type of program, this will not fit your bill.

Radio communication specialist, ham radio, cb radio products dealer from Rotterdam Holland

Test Equipment Connection Buys, Sells, Trades, Rents and repairs quality used test equipment.

Notes on using the QST propagation charts to determine propagation conditions

A portable VHF yagi antenna designed for SOTA operations based on the orignal DK7ZB concept.

This article is about a simple vertical end-fed-half-wave wire antenna for 10 meters that can be used in case of restricted space.

Easy to build CW decoder based on DSP Goertzel code. If you want to build a cw decoder without using other active components than an atmel 328, Arduino UNO, then this is sure something for you.

List of D-star forum groups on yahoo groups

This resource presents a domain name for sale, Grandicelli.com, which was previously associated with an HF-VHF-UHF-SHF digital monitoring site, Wavecom Decoder tools, Winradio and DRM decoders, a WD3000 Direction Finding System, Radioraft software, and a PFSL3000 Integrated HF-VHF-UHF signal monitoring system. The current page functions as a sales portal, providing information on the domain's price of $695, with an option for a 24-month payment plan at $28.96 per month with 0% interest. The page outlines the purchasing process, including quick delivery of the domain within one to two hours, and details the transfer procedure to registrars like GoDaddy. It also highlights customer testimonials regarding the ease and speed of domain acquisition through HugeDomains, emphasizing the 30-day money-back guarantee and secure shopping experience. The resource clarifies that only the domain name is included, with hosting and web design services needing to be sourced separately.

Multi band Moxon Yagi Antenna for 10,15,20 meters band with just one feed line. Drawing and project with dimensions

Supplying Toroids, Electronic Parts and Kits to Engineers, Schools and Hobbyists. Capacitos, filters, inductors, qrp products

50MHz Collapsible 2 Element Mini Beam antenna, an overview the development of the 6MBA.

Ameritron QSK 5 PC mod for AL80B

The Amateur Radio Association of Bahrain (ARAB) was established in 1970 to support the amateur radio community within Bahrain, operating under the **A92C** callsign. This organization provided a central point for local hams, fostering activities and representing their interests for several decades. Its historical presence is noted, even though it is no longer active. Unfortunately, due to unforeseen circumstances, ARAB ceased its operations. However, a new amateur radio society has since been formed in Bahrain, continuing the tradition of supporting local hams. Interested individuals can contact Fawaz, **A92AA**, for details regarding membership and the new society's activities, ensuring continued amateur radio presence in the region.

Expert, affordable antique radio repair, all home and auto vacuum tube radios, located just south of Atlanta Georgia

Free full featured remote control your Yaesu FT-2000, FT-950 and FT DX 5000 for windows by DF3CB

Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more

Polski Zwiazek Krotkofalowcow, Polish Amateur Radio Union

A home made project to reduce noises from lower bands, an X-Phase QRM Eliminator project that can help you a lot

A NEC Model Comparative Analysis of Physical Orientation and Performance. The small magnetic loop is a useful compromise antenna for limited space and portability. For this reason, the magnetic loop antenna is a practical high frequency antenna solution for the restricted space of apartment dwellers

Pictures and project design of a crossband VHF UHF repeater by LY3H

vk2aac amateur radio station web pages

Extending frequency to FT-290R for transverter use

Pictures of a monoband linear amplifier for 40m band - 2 x QB5/1750 made by 9A6A

Portuguese Antenna dealer, offer also HF Converter Kit for the SDR Fun Cube Dongle and RTL SDR sticks

Technical specification by Universal Radio

HFRadio.US is a woman-owned small business that specializes in products for the HF market. We have our own line of broadband HF antennas plus other specialized products primarily for the Motorola Micom series radios.

A 4 elements Yagi-Uda antenna for 144.3 MHz plan with dimensions and yagimax dimension calculation

A social club consisting of Amateur Radio Operators and interested persons who share interest in radio, pleasure marine and technical activities.

An Antenna Mast Idea for a VHF/UHF antenna

A amateur radio guide to RFI, ferrites, baluns, and audio interfacing by K9YC

Located in Port Richey, Florida in Pasco County, West Central Florida just Northwest of Tampa.

Ionospheric Data Archived at NGDC

Over 480000 products with an illustrated online catalog

For radio amateurs and electronics enthusiasts requiring specialized wiring solutions, Multi/Cable Corporation provides custom multi-conductor cable manufacturing services. They focus on made-to-order constructions, offering a broad range of specialty cable products including composite, instrumentation, electronic, flexible cord, thermocouple, high-temperature, and Mil-Spec wire and cable. Their capabilities extend to extensive customization of all cable components, ensuring precise adaptation to specific application requirements, which can be critical for bespoke shack setups or antenna control lines. With over 50 years in business, Multi/Cable emphasizes low minimum orders, quick turnarounds, and competitive pricing, making custom cable solutions accessible even for smaller projects. A case study highlights their role in helping an emergency vehicle lighting company expand offerings by providing versatile and cost-effective wire bundles, demonstrating their ability to support diverse technical needs beyond typical off-the-shelf options. They also provide reference data and guides on choosing conductors, insulation, and jacketing materials.

A great resource for new Hams, those who want to become new Hams, or those who just need a refresher. The site offers some good video courses to help prepare for the exams.

Post on a W3EDP experience by Bob Kellogg, AE4IC

Acom 1000 operating manual in english

Conductor is a training tracking software that can organize any type of education, training, certification or license. It generates a multitude of reports perfect for regualtory bodies, free demo.