[Elecraft] K2 / ESD / Diodes D16 7 D17 replaced

[Frank Krozel]

Don as usual “Thank you”




Sincerely,  Frank Krozel t: 1-630-924-1600 frank at electronicinstrument.com
BSEE,   AASEET,   FCC Lic.# PG-18-19178,   KG9H
Electronic Instrument Associates - Central, Inc. ...since 1971
w: www.electronicinstrument.com  d/l our linecard at http://www.electronicinstrument.com/lc.pdf  


> On Jun 29, 2021, at 11:25 AM, Don Wilhelm <don at w3fpr.com> wrote:
> 
> Frank,
> 
> Yes, you still need to disconnect.  The polyphasers protect against large spikes, but smaller ones get through.
> 
> 73,
> Don W3FPR
> 
>> On 6/29/2021 11:10 AM, Frank Krozel wrote:
>> Folks after Field day with another manufacturer’s radio, I have a new to me K2/100 coming in two days to use as my “small” contest radio.
>> Short story, after using another QRP radio for an hour, I placed a K2/10 in its slot.  Contacts flowed for the next three hours and my headache went away!
>> Love the K2. (had them since 2000.)
>> 
>> New story, the K2/100 has had it’s D16 & D17 replaced (thank you Don) so that is not going to be a problem moving forward.
>> 
>> I have two Polyphasers in line and wonder if I have to disconnect from the coax line anymore.
>> Also, curious, I worked on a K3 in the past and it had a BIG protector in it, cannot recall where but it was attached across the coax input if I recall.
>> 
>> Is there any need to disconnect anymore with the two Polyphasers in line?  Should I think of adding the BIG protector i saw in a K3 a few years back?
>> 
>> Yes I know we “should” disconnect but sometimes we all forget.
>> 
>> 
>