Ham Radio

Category: Ham Radio (10 posts) [RSS]

Dez 02 2015

APRS with mobilinkd and YAAC

APRS is an interesting way to communicate. This article shows how to set up an APRS station with your PC and a mobilinkd TNC2. ...

Mai 26 2015

Building a cheap FLARM basestation antenna

FLARM is an electronic device to selectively alert pilots to potential collisions between aircraft.. The accessoirs (like antennas) are known to be expensive. This article shows how to build a 5 Euro ground plane antenna for a FLARM ground station which is perfectly suited to operate with the rtl-sdr based Open Glider Network receive. ...

Apr 12 2015

Locking down a Baofeng UV5R+ to disable unintentional TX

This article shows how I modified my Baofeng UV5R+ to disable unintentional TX operation and how to lock it down that it becomes "family-safe" ...

Mrz 25 2015

Fix the no-mic problem with the Baofeng UV5R+

Bad or broken connectors within the Baofeng UV5R+ can cause the internal microphone to stop working. Fortunately there is a simple workaround to thisI ...

Feb 06 2015

Changing the frequency of a HM-TRP 3DR Radio

The HM-TRP 3DR Radio is often used for telemetry purposes in DIY drone projects. Depending where you are from you will get it in different flavours (433 MHz, 470 MHz, 868MHz and 915 MHz).  This article shows how to change the main frequency of this TRX to make it work on 433 MHz (70cm HAM / ISM band). ...

Jan 01 2015

Meshed HAM Radio - High Speed Multimedia Network

What if i tell you that it is possible to set up a self healing WLAN with nearly zero configuration - Impossible ? ... Nope: Try a meshed WLAN. ...

Dez 09 2014

Portable HAM radio station

As a HAM radio operator I spent a lot of time to design my station. It should be (at least somehow) portable and it should allow all band / all mode operation. In this article i want to share some thoughts about the hobby and about my station with you. ...

Okt 26 2014

Receive APRS stations with rtl-str and display them with Xastir

This article shows how to receive APRS packets with a cheap DVB-T stick operated by rtl-sdr, how to decode them with mulitmon-ng and finally how to visualize them with Xastir. ...

Okt 11 2014

RTTY File transmission via soundcard

File transmission via Network, USB Stick, Floppydisks, WLAN is cool, but did you how to use the soundcard to transmit a file from A to B. ...

Jul 20 2014

406 MHz ELT Testing with rtl-sdr and Multipsk

How to test your 406 MHz distress beacon without the need to spend hundreds of dollars for testequipment. ...

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