Ham Radio Nation - Amateur Radio Social Network

My ham radio call is VU2MUE. I am a ham almost for 30 years. Of late I have developed a passion [another hobby] of meeting my ham friends and see the beautif...

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FM versus D-STAR in weak signal

Length: 2:34 - Rating: 4.4102564 (39 ratings) - View: 38189 - Author: Carlos Mourato

This is a 5 watts QSO, between CT4RK and CT1FZC, 100km away. My receiver was attenuated 20dBs for simulate the weak signal conditions.

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D-Star vs FM under impulsive noise conditions

Length: 0:34 - Rating: 0 (0 ratings) - View: 721 - Author: dh5ym

This video shows the performance of FM vs D-Star under impulsive noise conditions. It is clearly audible that D-Star works without problems when FM is hard t...

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Ic 229h no modulation not mic related

Length: 0:52 - Rating: 5.0 (1 ratings) - View: 177 - Author: OneStudPuppy

Here is the Icom 229h my goal is to fix this radio and use it for years to come.

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TriSquare XRS TSX300

Length: 1:17 - Rating: 0 (0 ratings) - View: 10121 - Author: kb9mwr

I was intrigued this radio can send and receive text messages via it's keypad , yet a D-star radio can't. It uses the 33cm, 902-928 MHz ham radio band, using...

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GM300 DStar/digital audio connection

Length: 0:25 - Rating: 0 (0 ratings) - View: 824 - Author: Luzdemisojos

This is where you have to connect your audio output (TX audio) to use with digital modulation.

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D-Star vs FM in weak signal condition

Length: 1:53 - Rating: 0 (0 ratings) - View: 661 - Author: dh5ym

This video shows the comparison between D-Star and FM at around -115dBm. It is clearly audible that D-Star has some advantages against FM if the decoder can ...

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27.185 FM Repeater

Length: 0:47 - Rating: 0 (0 ratings) - View: 356 - Author: simonthewizard

Something different this morning while conditions were from the East. There was a repeater coming through, I did hear 1 time a German operator via this but t...

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DV-RPTR Modem Board

Length: 9:44 - Rating: 5.0 (26 ratings) - View: 7634 - Author: Michael Carey

A New Years Day video showing the DV-RPTR modem board from Germany. It arrives as a D-Star GMSK board... but with a difference! Instead of using a more tradi...

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Updated: CMX994 RF Direct Conversion Receiver (DCRx) IC - Introduction and QAM Demonstration

Length: 16:36 - Rating: 5.0 (2 ratings) - View: 280 - Author: CMLMicrocircuits

CMX994 Product introduction and demonstration. http://www.cmlmicro.com This video demonstrates the use of the CMX994 as part of a complete QAM (Quadrature Am...

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