Airlines are now making a fuss about 5G at airports interfering with their instrument landing systems. Perhaps their leverage to force that conversation is our opening to address the larger problem -
Someone should remind AT&T what happened when Ma Bell (their parent company) got too big for their britches. There must be at least one member of Congress who's into science who would make a stink wi
Bingo! I would be for that, but FCC would just squander the additional funds to something other than RFI/EMC. Dave - WØLEV But you (and I) are but .001%, or less, of the population. I really doubt ma
Riddle me this ... I'm sitting at my desk and my handheld is sitting on a wood shelf just behind the HP laptop. The HT is on and set to monitor 146.670 (it has long thin flex antenna). All of a sudde
I'm inferring that it's coming from the UHF LNA or the cellphone repeater device but am puzzled as to how. Perhaps it's bouncing off the wall behind me, or the ceiling? I'm in a metal structure. Just
RF goes two ways ... might be entertaining to share a creative play list ... All, Thanks for offering your ideas. I don't have a battery-powered >> SDR that covers 6m but am assembling a direction fi
Wow, awesome. I can just see your smile and feel your sense of peace and joy. So cool when a nagging problem like that has been resolved. 73, David KD4E Thought I would share this. I've been plagued
You may want to include one of these in the mix - for versatility - like when you need to grab a light for the car, to check a connection outdoors, etc. https://www.amazon.com/Flashlight-Gooseneck-fl
They long ago started making car radios without AM. In two different hybrid Prius' I measured high HF RFI out to at least 3 feet from the back hatch door. One could mount an antenna on a hitch carrie
According to this site - it's been discontinued ... https://usa.apsystems.com/portfolio-item/apsystems-yc600/ https://usa.apsystems.com/products/apsystems-yc600/ I had not heard of this company until
Yes, really ... The panels from the 1/2 billion dollar government fail, and 3/4 billion investor fail, have been showing up on the market for a couple of years. I just saw them here: https://batteryh
We're looking at 10 or 20 of these panels here in SE-GA: https://store.santansolar.com/product/new-solarever-455w-144-half-cell-mono-solar-panel/ I've been planning a 48V battery rack but am told tha
Data provided for this linked battery pack include: RMS noise voltage referred to primary <40 DC-20MHz Frequency bandwidth DC-240KHz A low-RFI BMS would also need to be added the on-board electronics
In a RF-rich environment (Ham and cell) in a lightning-prone region (SE-GA, USA) this 30W POE looks good ... https://www.amazon.com/TL-PoE160S-Injector-Supplies-Wall-Mount-Certified/dp/B08LZZRX5N/ bu
I went ahead and ordered the opto-isolated POE. Second question: If I run lines to an outdoor camera that are outside for more than several feet, should I protect them with something like this? https
OK, cool, will put that in the mix. Thanks! I am not surprised at all by the results you saw with shielded Ethernet cable. I have at least 2 reasons for saying that. I spent about 10 years in mil-aer
OK, cool, will put that in the mix. Thanks! If I run lines to an outdoor camera that are outside for more than several feet, should I protect them with something like this? https://www.amazon.com/Tup
CyberPower 1500VA Sine Wave UPS. Delivered from Costco - abysmally packed (only the display box, which was badly dented and torn). Only scuffs to unit due to protection of corners and display by form
Starlink isn't even close to being alone - Chinese, Indian, and Russian birds are multiplying quickly and Amazon has announced their intent to compete with Musk. Get TypeApp for Android It seems the