All Questions
Tagged with 70cm-band united-states
4 questions
11
votes
6
answers
3k
views
While backpacking, is it worth mounting the antenna to the backpack frame (above my head)?
I am planning a trip with a large group in 6 weeks. We will be spread out in small groups on a trail in a mostly desert plateau landscape perhaps 5 miles apart, but mostly in a straight line.
I'm new ...
4
votes
3
answers
6k
views
What are the geographical restrictions in using the 70cm band in the United States of America?
Geographical restrictions exist for various frequencies in terms of usage in the United States of America as stipulated in 47 CFR 97.303. What are the restrictions, if any remain, in terms of ...
38
votes
4
answers
46k
views
What's the difference between national calling frequency and national simplex calling frequency in the 2m and 70cm band plans published by ARRL?
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 frequencies (146....
- 943
8
votes
1
answer
473
views
Why do USA transceivers limit transmit to 430-450MHz?
The FCC table of frequency allocations clearly states on page 27 that the Amateur allocation for 70cm is 420-450MHz, but I've seen a lot of transceivers that limit transmit to 430-450MHz.
Why is this?...
- 442