>FCC regs say you should use the minimum power necessary to establish
>communications.
Um, no. Here's what it actually says:
ยง97.313 Transmitter power standards.
(a) An amateur station must use the minimum transmitter power
necessary to carry out the desired communications.
Your "desired
On 3/18/2017 2:42 PM, Mike Waters wrote:
I was wondering about just how narrow we can go on JT9, JT65, or WSPR.
Below is some information on the bandwidth required for JT-65. This was
copied from one of the JT-65 websites.
JT65A operators use USB VFO FREQUENCY for spots.
JT65A
FCC regs say you should use the minimum power necessary to establish
communications. That might require more than 100 watts, perhaps even 1500
depending on conditions, type of TX antenna, etc.
Regarding bandwidth, it is not necessary to run your SSB filter wide open for
JT65. On my K3, I