资讯

Unfortunately, the lack of free space around the antenna makes for poor RF performance. [Peter]’s solution is a simple antenna made from a 31-mm length of silver wire. One end of the wire is ...
Low Frequencies - For low frequencies up to 300 MHz,Amateur Radios, CB Radio and marine radio, spare parts,Handheld Ham Radio Antenna,Walkie Talkie; Used widely at antenna scanner, UHF,VHF ...
Awesome Crafting Perfect Dish Antennas from Simple Iron Sheets Posted: April 5, 2025 | Last updated: April 5, 2025 Step into the remarkable process where iron sheets are transformed into powerful ...
Since the stock antenna was not cutting it ... reflected signal down the coax is very clearly seen. From there it is simple math – 40m/cycle * 5,666,000 cycles per second = 226,640,000 meters ...
Abstract: In this paper, an RF-DC converter operating at 13.56 MHz (HF radio frequency identification (RFID) frequency band) is presented. Its architecture provides RF to load isolation, reducing the ...
Very simple ingredients are used to make these old-fashioned ham and beans. It's a Depression-era recipe where you didn't ...
1. **Long-Range Communication**: The BAOFENG UV-5R handheld radio boasts an impressive communication range of up to 1000 miles, making it an ideal choice for ham radio enthusiasts, professionals ...
which is available at Jet Aviation and authorized Gulfstream service centers A Gulfstream G280 was the first to receive an EASA STC with a DC version of the Gogo Plane Simple Ka-band terminal.
def create_simple_hf_receipt_counter(num_classes=6, model_type="swin"): Create a simplified transformer model for receipt counting.
Abstract: The characteristics of an infinite cylindrical antenna, insulated from the surrounding uniaxially anisotropic plasma medium by a concentric cylindrical sheath of free space, are investigated ...
print(" ".join(tokenizer.encode("They go to the beach").tokens)) ...