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0 votes
2 answers
30 views

Help designing a random wire antenna to work with my tuner

0 votes
2 answers
38 views

NooElec for Startup HF Communication

2 votes
2 answers
71 views

FSK Synchronisation

0 votes
2 answers
82 views

Is it possible to use LimeSDR/HackRF with DireWolf?

1 vote
1 answer
70 views

Centre pole construction for 20 metre half wave dipole

0 votes
0 answers
17 views

What DSP functionality is used for Direwolf?

1 vote
1 answer
49 views

What is a diode for in a JFET-based audio mute circuit?

3 votes
1 answer
74 views

Do I need a precision wattmeter or will a $50 one suffice?

1 vote
0 answers
25 views

How do I set the spectrum scope gain on the Icom IC-7300?

0 votes
0 answers
39 views

1/2 wave dipole instead of 1/4 wave + ground plane

1 vote
1 answer
52 views

After upgrading the firmware on my IC-7300, there's a new preset in a language I can't understand, what is it?

1 vote
1 answer
1k views

How to send DMR SMS using MMDVM modem or hackrf?

0 votes
3 answers
346 views

Where can I find a service manual for the TECSUN PL-660 to replace the failed circuit board flex cable myself?

-1 votes
1 answer
76 views

Transmitting high-speed PWM over RF

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