Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with rfi
Search options not deleted
user 19193
Use this tag for questions regarding RFI (Radio Frequency Interference).
2
votes
0
answers
56
views
Any good RF noise "libraries" out there?
I know about http://www.arrl.org/sounds-of-rfi but it is pretty limited. (And I wish the screencaps showed the FFT rather than a time-domain snapshot). …
- 1,089
2
votes
1
answer
121
views
What would cause this RF noise pattern? (Hum with associated "flapping" and beeping)
In quite a lot of places below 7000kHz I see a repeated noise figure. A hum, then about 12kHz above it a "flapping" with beeping noise, and then about 50kHz from that whistling with three clearly-def …
- 1,089
2
votes
Accepted
What would cause this RF noise pattern? (Hum with associated "flapping" and beeping)
Combination of a neighborhood power outage (which unrelated to this reduced the noise floor from S-5 to S-1...sigh) and a portable AM radio I scrounged up solved it. It turns out it was a UniFi USW-8- …
- 1,089
0
votes
0
answers
1
view
How noisy are EcoFlow battery backup and power station products in HF?
I'm thinking about replacing some near-EOL UPSs with EcoFlow products (for one thing, they use LiFePo4 instead of lead/acid and so are smaller and lighter) but before doing so I was wondering if anyon …
- 1,089