2022年4月14日 · The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. ARRL. ... 60 Meters: Five Specific Channels. The FCC has granted hams secondary access on USB only to five discrete 2.8-kHz-wide channels. Amateurs can not cause inference to and must accept ...

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. ARRL. Website Search ... Ham Radio Demonstration Helps Survivors of Violence at Camp (01/24/2025) A Weekend of January Contests (01/17/2025) ARRL Club ...

Division into channels and/or separation of uses within these segments may be done regionally based on need and usage. Note 4 – Per ITU RR 5.149 from WRC-07, these band segments are also used for Radio Astronomy. Amateur use of these frequencies should be first coordinated with the National Science Foundation ([email protected]).

Amateur Radio (ham radio) is a popular hobby and service that brings people, electronics and communication together. People use ham radio to talk across town, around the world, or even into space, all without the Internet or cell phones. ... These bands are radio frequencies allocated by the Federal Communications Commission (FCC) for use by ...

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. ARRL. ... Amateurs are permitted to operate on five frequency channels, each having an effective bandwidth of 2.8 kHz. Table 1: Channel 1: 5330.5 kHz Channel 2: 5346.5 kHz Channel 3: 5357.0 kHz

Information about the US Amateur Bands is available on the Frequency Allocations page as well as the frequency bands chart.. Printing the band charts. Download and print PDF documents using Adobe Reader or your Web Browser.. Frequency Bands Chart [PDF] (8.5 X 11; grayscale) Frequency Bands Chart [PDF] (8.5 X 11; black/white) Frequency Bands Chart [PDF] (8.5 X 11; …

Ham radio also came to the rescue during Hurricane Katrina, ... 26 bands (i.e., specific groups of frequencies) spaced from 1.8 Megahertz, which is just above the broadcast radio frequencies, all the way up to 275 Gigahertz! Depending on which band we use, we can talk across town, around the world or out to satellites in space. Hams can even ...

organized by fixed frequencies, much like the government and commercial systems. In this regard, ham and non-ham radio use is very similar. Unlike most public-service radio users, whose radio frequencies are preset in a shop, hams can select their operating frequencies "on the fly" in the field as their needs and circumstances require.

Clublog Amazing resource for anyone chasing DXCC or WAZ.; QRZ.com and eham.net are vibrant ham radio communities.; DX Watch and DX Summit are DX spotting sites.; N1MM Logger+ Free contest logging software.; DXLab by AA6YQ Integrated suite of free programs for logging and station management.; Winlink 2000 -- Winlink 2000 (WL2K) is a worldwide system …

2024年10月4日 · Using mountaintop repeaters that have robust power backups, HF frequencies, and Winlink, ham radio operators are putting in their time, talents, and personal gear to good use. ... Ham radio operators have been working with Operation Airdrop and other volunteer groups to help provide communications support. Dozens of private helicopters have ...