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 frequency.
Why can I connect simplex at 146.52 but not at 145.200 and 147.000 ...
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 doesn't mean you …
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 if you operate in …
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.
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 repeater …
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. Answer on test …
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 ending like …
1/8 wave 3-element 2m beam antenna - Amateur Radio Stack Exchange
Mar 5, 2021 · Center frequency 146.520MHz Driven element is 1/8 wave 10.25" long set at 6.125" from the front. Reflector element is 5/8 wave at 15.3" and 15.3" from driven element to the back. Director …
ht - Limiting Frequency for Alinco DJ-VX50 - Amateur Radio Stack …
Jan 26, 2025 · With my Alinco DJ-VX50 which supports frequencies 136-174 MHz and 400-470 MHz I am trying to limit the frequencies between 144-146 Mhz and 434-438 MHz in VFO mode. For this I …
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 …