Re: Topband: JT65 Power and bandwidth

2017-03-20 Thread Rob Atkinson
>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

Re: Topband: JT65 Power and bandwidth

2017-03-18 Thread K4SAV
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

Topband: JT65 Power and bandwidth

2017-03-18 Thread Dennis W0JX via Topband
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