[Elecraft] K4 LF & MF, K4 EXREF?

[Wayne Burdick]

> On Jan 3, 2020, at 7:22 AM, eric norris via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> Will the K4 transmit at 136 or 472 kHz,

Yes.


> and if so at what power level and through which antenna port?

Tentatively, up to ~5 dBm, using XVTR OUT only.


>  If so, at first ship or in the future?

Probably first ship.


> The K4 brochure shows an empty hole for XREF, will this be available at first ship or in the future, and will it require an option board?  

Supplied.

Wayne
N6KR