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 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 …
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 …
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 …
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 - every 145-146 …
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 …
Calculating Antenna Length on the FCC Exam vs. in Reality
Or is it none of the above? I believe the US FCC Technician class exam requires the use of 468/f. Are any of these equations helpful in calculating antenna length in reality, or is this only in theory for the …
Should I chose a vertical or a horizontal HF antenna?
Oct 22, 2013 · Summary If you can have only one antenna and can chose between a vertical HF antenna or a relatively high horizontal HF antenna, go for the horizontal antenna. Modelling results In …
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 …
How To Program Radioddity's QB25 Manually (Without Software)
Nov 28, 2024 · Example 146.1000) Enter TX Tone (if needed) Save to the same channel as RX frequency - Menu 44 (Hold the Right knob in until it returns to the operating screen) Change to …