Is the National Calling Frequency actually used?
Sep 6, 2015 · 146.520 MHz is the national calling frequency for FM voice. It's a "simplex" frequency, meaning that you call on this frequency and then listen for a reply on the same …
Why is there a repeater on 146.46? Isn't that a simplex frequency?
Apr 24, 2022 · 3 I have a commercial GE Phoenix transceiver that I sent out to be programmed on 146.460 but have been informed by a club that my transmissions are interfering with their …
united states - What's the difference between national calling ...
39 On the 2 meter and 70 centimeter band plans published by the ARRL, what is the difference in intended use between the calling frequencies (144.200, 432.10 MHz) and the simplex calling …
What frequencies should I listen to for packet radio?
Have a look at the IARU Region 2 Band Plan. Most of the frequencies marked "all modes" or "DM" (digital mode) may be used for packet radio, although there does not seem to be a single …
Why can I connect simplex at 146.52 but not at 145.200 and …
Apr 6, 2024 · In partcular, 146.52 is the 2m FM voice calling frequency and should not be used for digital modes like winlink. Additionally, just because there is a standard list of frequencies …
digital modes - Help Identifying RF Data Protocol - Amateur Radio …
The noise persists at nearly full strength between 146.66125 and 146.67125 before completely dropping off. Using directional finding we've isolated it to a large steam pipe in the basement.
callsign - Proper way to announce call sign at start/end - Amateur ...
Sep 20, 2022 · I think I've heard both on 146.520 (But I need practice keeping track of callsigns). And just to round out the question, at the end of the conversation I've heard various ways of …
Calculating Antenna Length on the FCC Exam vs. in Reality
Example. 146Mhz 300÷146=2.05 meters 2.05×39= 79.95 inches full length in inches. 79.95÷2= 39.95 inches 1/2 wave length in inches. 39.95÷2= 19.985 inches 1/4 wave length in inches. …
What is a "calling frequency"? - Amateur Radio Stack Exchange
Jun 10, 2016 · Just a note - calling frequencies vary by region. 146.520 MHz is the 2m calling frequency in the FM mode in Canada and the US, but not in most countries. Be sure to check …
Spacing between elements on a Yagi antenna
Dec 15, 2015 · 3 Does anyone know what the spacing between elements on a beam antenna should be? I built a 146 MHz 3 element beam following instructions, and the spacing was 16" …