cm-sdr
Hardware
cable modem sdr
SHOW HN2020
357points
70comments
#103of 3,028 in 2020
Top 4%of 2020 by points
How HN took it
MixedNo clear lean
13 positive, 10 neutral or asking, 1 mixed, 5 critical, out of 29 comments about the project. Thread score +0.35.
Idea: 6 for, 1 againstDesign: 0 for, 2 againstDocs: 0 for, 1 againstPerformance: 0 for, 1 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Impressive reverse engineering and hacking work
From 4 comments
Absolutely outstanding work, truly worthy of the moniker "hacker" news =)
chromatin on HNOne of the most exciting things I have read on HN in a long time. :). Thanks for sharing.
segmondy on HNI much enjoyed this adventure story.
6510 on HNSuper cool hack and great write up. It’s nice to see this go all the way from poking at hardware to decompiling binaries and then some signal processing. Kudos. You mentioned you…
ssfrr on HN
Objections
Only about 500kHz usable bandwidth, less than RTL-SDR
From 1 comment
Cool hack, however i agree with the poster, since it appears to only have a 500KHz usable bandwidth(less than rtl-sdr) at an albeit faster (5x) sample rate, i probably won't have…
leecarraher on HN
Post did not explain the SDR acronym
From 2 comments
I had never heard of this acronym. If you post on a forum about SDR’s, I guess it’s fine to not explain it, but it’s a public blog post shared to ‘Show HN’ so it makes a lot of…
schrijver on HNI just couldn't remember the meaning since I've only read maybe a couple of articles on the topic. So I had to Google it, and it was the 4th result. I tried to CTRL-F "SDR" on…
bserge on HN
Requests
Add a note on what SDR stands for
From 1 comment
I just couldn't remember the meaning since I've only read maybe a couple of articles on the topic. So I had to Google it, and it was the 4th result. I tried to CTRL-F "SDR" on…
bserge on HN
Questions
Whether the data is streamed over Ethernet
From 1 comment
Is the serial cable the interface used to transfer the saved sampled data to the PC? What does, >It can currently stream I/Q data to a peer via TCP mean? Does it somehow stream…
superkuh on HN
Where the spectrum analyzer forum thread is
From 1 comment
> Some quick searching brought me to a thread on a web forum where people were discussing the built in spectrum analyzer feature used for diagnostics I tried to search for this…
tn1 on HN
Alternatives named
RTL-SDR
From 2 comments
SDR (Software-Defined Radio)is cool. RTL-SDR use a $25 USB TV tuner dongle to do all kinds of cool things like catching weather satellite downloads, listening to local emergency…
quercusa on HNCool hack, however i agree with the poster, since it appears to only have a 500KHz usable bandwidth(less than rtl-sdr) at an albeit faster (5x) sample rate, i probably won't have…
leecarraher on HN
LimeSDR
From 1 comment
Kudos! LimeSDR has found its niche in "hobbyist" radio astronomy. It's entirely within the realm of possibility. That a civilian using a low budget board. Discovers the next big…
ArtWomb on HN