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 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 …
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 …
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 …
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. …
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 …
1/8 wave 3-element 2m beam antenna - Amateur Radio Stack …
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 …
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 …
rfi - Strange interference - consistent series of beeps/chrips at ...
Dec 21, 2023 · The power supply is an Alinco DM-330MV. While studying for the Technician exam I've been listening, mostly on 10 meters, and I've noticed an odd interference pattern - …