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Detecting Pulsed Signals with hackrf_sweep - Understanding Timing and Sample Collection

5

### What would you like to know? I'm trying to detect several pulsed signals using hackrf_sweep but they're not appearing in my spectrogram output. I suspect this might be related...

UnseenBanana

HackRF_One&PortaPack_LookingGlass_Artifacts

1

### What type of issue is this? permanent - occurring repeatedly ### What issue are you facing? I am using HackRF One u9 with PortaPack Mayhem v2.1.0. I have detected...

KubovVI

### What would you like to know? I am trying to configure the hackrf to enable biasT when receiving. I tried `hackrf_biast -r on` but got the error message >...

clj55

Unstable Phase Differences in HackRF Synchronized Transmission

9

### What outcome were you hoping for? I have a saved signal source that I want to transmit using the hackrf_transfer command for synchronized transmission. I'm using a one-master, two-client...

sampreethsharma7

RF LED Red & "No HackRF words found."

3

### What outcome were you hoping for? I expected the device to be detected so I could flash the latest firmware. This is an old HackRF One board purchased in...

devanha

error: hackrf_set_sample_rate() failed: Input/Output Error (-1000)

2

### What outcome were you hoping for? save iq data to a file. ### What outcome actually happened? I am trying to collect iq data from a FM station (88.9...

radiohead2024

hackrf_sweep sometimes doesn't output result on Raspberry Pi Zero 2W

2

### What type of issue is this? intermittent - occurring irregularly ### What issue are you facing? We reproduced bug 'hackrf_sweep sometimes outputs results, and sometimes it doesn't' on Raspberry...

targetod

Extreme 977Hz 480MhZ RFI?

4

### What outcome were you hoping for? Clean (or almost clean) UHF band ### What outcome actually happened? A huge spike in the UHF band, causing harmonic interference to most...

Degamisu

HackRF One blinking 3 diodes Tx, Rx and USB, hardware issue

3

### What outcome were you hoping for? What is usually hardware failure regarding blinking 3 diodes Tx,Rx and USB, main NXP Arm CPU, or something else, issue is that I...

otpisani

Sweep mode does not capture contiguous samples at each tuning step when `num_bytes` > 16KB

1

### What feature would you like to see and why? When sweep mode is set up with `dwell_blocks` greater than one, i.e. `num_bytes` more than 16KB, the firmware captures that...

martinling