[Elecraft] Feature density of portable transceivers: K1 vs. KX2

Ignacy Misztal no9e at arrl.net
Mon Dec 9 13:58:13 EST 2019


Thank you for the suggestion. Here is something similar:
https://www.amazon.com/gp/product/B07V3L4YF3/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

Wonder whether they are RF quiet?

My thinking with KX2 that I take it with me,without anything external, use
portable, and then at home charge via USB overnight without pulling the
internal battery.  Just like the cell phone.

Ignacy, NO9E

On Mon, Dec 9, 2019 at 12:55 PM Gwen Patton <ardrhi at gmail.com> wrote:

> Use a USB-C PD power bank, and a USB-C power sink, and you can power the
> KX2 handily. I can power my KX3 that way, and most of my other QRP rigs as
> well. The sink I use is the PD Buddy Sink found on Tindie. It handshakes
> with the PD power bank and provides 12v at 2-3A (depending on the bank). I
> have a RAVPower bank with roughly 27Ah (probably rated at 5v, but that's
> ok) that works fine with this. It'll also take input power from a mains
> power supply used to fast-charge such a bank, or that might be used to
> power a Chromebook or other laptop. That gives me a VERY small and packable
> mains and mains-free power solution for all of my radios. I could even set
> it for 9v for the radios that use THAT.
>
> There are other brands of power sinks out there.  I ordered two of these:
> https://www.amazon.com/gp/product/B07T2858G6/ but they haven't arrived
> yet, so I haven't tested them. The Buddy Sink is programmed by connecting
> it to a computer via USB-C, then accessed with a terminal program. The ones
> I haven't received yet have a preset group of output power profiles you can
> toggle through by pressing a button on the board. There are others as well,
> but I haven't tried any others yet either.
>
> This isn't a massively unique approach. I'm sure there are other, cheaper,
> and probably more specific power solutions, but this has the benefit of
> being a multi-tasker. With it, I can charge my Chromebook, my phone, my
> external speaker, AND run my radios. I can charge the bank with a power
> supply that weighs ounces and fits in the palm of my hand rather than a
> brick the size and weight of, well, a BRICK. I even found 3d printable
> cases for the PD Buddy Sink that will accomodate either a direct wire
> output or a PowerPole connector, so I can attach interchangeable power
> cables.
>
> 73,
> Gwen, NG3P
>
>
> On Mon, Dec 9, 2019 at 12:33 PM Ignacy <no9e at arrl.net> wrote:
>
>> This is a QRP radio that likes traveling. Mine has even been on a small
>> boat
>> ride in Adriatic sea... Or working DX SSB in a contest big time (with 9A1A
>> antennas).
>>
>> If only a USB charge can be added. I am afraid that the radio will survive
>> only so many case openings...
>>
>> Ignacy, NO9E
>>
>>
>>
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