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1 vote
1 answer
202 views

How to use GNU Radio to demonstrate FM demodulation without baseband signals

2 votes
0 answers
34 views

Receiving a lot of noise with RTL-SDR and SDR# for GOMX-1

3 votes
2 answers
67 views

Excessive frequency deviation for DMR handsets?

4 votes
2 answers
4k views

Choosing a wideband antenna design

0 votes
2 answers
79 views

Building a bat detector using an SDR USB dongle - is it possible?

2 votes
1 answer
2k views

How to send DMR SMS using MMDVM modem or hackrf?

1 vote
1 answer
179 views

Transmitting high-speed PWM over RF

3 votes
1 answer
2k views

Implementing a BPSK and 4-FSK transmitters in GnuRadio (GRC) with USRP?

1 vote
1 answer
165 views

How to wire simple homemade long antenna for 100KHz+ on RTL-SDR

2 votes
1 answer
226 views

How can I know (check or detect or analyze) which modulation using of my remote control switch?

2 votes
2 answers
527 views

Why does SDR# sound better than SDR console?

0 votes
1 answer
73 views

Transfer digital data over ham radio frequencies using QPSK modulation SSB-QPSK transmitter

0 votes
0 answers
47 views

Possible reasons why I only receive FM broadcast via SDR

0 votes
0 answers
81 views

PPM modulation and demodulation

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