2 way radio

2 way radio

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• 20 meter short loaded vertical antennas - Loading is a way to lower the resonant frequency of an antenna radiator. This technique is typically used in antennas that have radiating elements that are too short for the desired resonance frequency. In this excellent article the author experiment loaded vertical dipoles for 20 meters band
  [ Hits: 232 | Votes: 1 | Rating: 9 ]

• MCBRN Michigan Citizens Band Radio Network - MCBRN Michigan Citizens Band Radio Network a volunteer group/organization for maintaining two way communications during an emergency, crisis, disaster, or blackout, using CB FRS MURS and WiFi. Includes plans, message relay services, neighborhood watches, large events, encampments and gatherings.
  [ Hits: 162 | Votes: 0 | Rating: 0 ]

• Lakeway Amateur Radio Club W2IQ - Lakeway Amateur Radio Club VE Testing @ monthly meetings
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• DV Access Point Dongle - The DV Access Point Dongle connects to your PC or Intel based Mac via a USB port and provides a 2 meter Access Point for use with a D-STAR radio. Using an Internet connection, a user may connect to and communicate with D-STAR gateways and reflectors around the world
  [ Hits: 180 | Votes: 0 | Rating: 0 ]

• Transforming the Elecraft K3 into a SDR with K3 - This article will explain a few of the ways author use an external SDR and Linrad to enhance his K3 experience. Linrad is one of many available SDR receiver programs. The same could be done with any radio that lets you access its IF frequency output. Article from NCJ Nov Dec 2019
  [ Hits: 344 | Votes: 0 | Rating: 0 ]

• ICOM IC-7610 Rewind - Without any doubt at all, the best radio I have owned is the ICOM IC-7610. But the grass is always greener and so even though I loved my IC-7610, I thought there might be something better out there. I purchased a YAESU FT-DX101D and really disliked it.
  [ Hits: 108 | Votes: 0 | Rating: 0 ]

• Olinca TH-888 SV8 Programming Software - Free windows software to program or reset cara ht olinca th888a and th888S th888 th10 th2100 th2uv th9 handheld VHF UHF two way radios
  [ Hits: 632 | Votes: 14 | Rating: 6.07 ]

• Solar Powered 12V Ham Radio Station - This article shows how to power an amateur radio station from solar power using four kits that have been designed to work together in a modular way, each kit provides a unique function.
  [ Hits: 553 | Votes: 1 | Rating: 10 ]

• 432 MHz 100W RF Power Amplifier - This article describes the construction of a 100-Watt, 70 cm amateur band linear power amplifier. It is the result of a protracted period of experimentation during which I investigated a number of final amplifier stages from obsolete UHF FM 2-way radios.
  [ Hits: 239 | Votes: 1 | Rating: 9 ]

• Replacing the battery of the Yaesu DVS-2 memory recorder - After a few years the lithium battery cell from the Yaesu DVS-2 will be exhausted. To replace the battery in the future there is a more easy way, than replacing it with the same type of battery as installed in the DVS-2.
  [ Hits: 313 | Votes: 1 | Rating: 8 ]
• DIY LiFePO4 Battery power for Amateur Radio portable operations - An interesting article about a homemade LiFePO4 battery pack for ham radio operations, a 10Ah LiFePO4 based on Headway 38120 Cells
  [ Hits: 278 | Votes: 0 | Rating: 0 ]
• Batteries for portable use - Batteries for portable radio operation are always an interesting subject for discussion. Review of some LiPo (Lithium-ion polymer ) batteries for amateur radio use.
  [ Hits: 251 | Votes: 0 | Rating: 0 ]
• Homemade LiFePO4 battery power for Amateur Radio - Using portable battery power is always a challange when operatin amateur radio in sota oprations. This article is about implementing lithium iron phosphate cells (LiFePO4) in ham radio portable operations.
  [ Hits: 253 | Votes: 0 | Rating: 0 ]

• Practical Amateur Radio Grounding - The single point ground in the most important aspect of a good grounding system. The concept behind a single point ground is very simple, keep everything at the same ground potential. Electrical Groundl, Lightning Ground, RF Grounds
  [ Hits: 294 | Votes: 0 | Rating: 0 ]

• Compact GO-BOX with a Raspberry Pi4, Elecraft KX2 and Kenwood TH-D74 - A very compact and multifunctional digital amateur radio station for the radio operation at home, on the way or in the emergency radio implemented with a Raspberry Pi 4, an Elecraft KX2, a Kenwood TH-D74 and a USB GPS.
  [ Hits: 323 | Votes: 2 | Rating: 9.5 ]

• LoRA Gateway IdeeTron Lorank8 - Testing IdeeTron Lorank8 for LoRaWAN with ham radio transmissions. Assessing compatibility, interference, and planning permanent setup. Follow the experimentation and integration into the Almelo Community page
  [ Hits: 19 | Votes: 0 | Rating: 0 ]

• How to program Motorola APX P25 - How to program Motorola APX Series P25 Two-Way Radios for use with the OpenSPOT 2. This document covers some important steps to be followed to upload the correct codeplug to mMtorola P25 radios
  [ Hits: 270 | Votes: 2 | Rating: 5.5 ]

• How RTL-SDR dongles work - Since 2012, the RTL-SDR is the simple and cheap way to give Software-Defined Radio a try. For about 25 euro you get a receiver covering much of the VHF and UHF range, and by either adding an upconverter, or using the direct sampling option, also the HF bands. They are so cheap because they are mass-produced as DVB-T receivers.
  [ Hits: 129 | Votes: 1 | Rating: 10 ]

• Tektronix Compatible Tracking Generator - A spectrum analyzer is always an usefull amateur radio test equipment that should be present in a radio shack. Hams can use it for testing frequency response of filters, amplifiers, and other two-port RF devices. This article illustrate a tracking generator compatible with any spectrum analyzer in the Tektronix 490- and 2750-series lineups
  [ Hits: 188 | Votes: 0 | Rating: 0 ]

• 70 MHz Transverter - This page gives a brief description of a 70 MHz transverter that has been published in the Danish amateur radio magazine "OZ." This way hams outside Denmark may also benefit from the design.
  [ Hits: 62 | Votes: 0 | Rating: 0 ]

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