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 RADIOHF - Elecraft K3 KXV3A Transverter - I/O kit 
- ELECRAFT K3 K3S KXV3A Transverter I/O - option board and Cable
$149.95 delivered - Check, Zelle, PP FF ok.
If your K3 does not have this option,or you have a bad one,this kit could be for you.
You need this if you want to use a P3.
I will be listing items all weekend.
I can be reached through email if you have questions about this unit.
Larry K6RO
- Listing #1748183 - Submitted on 11/01/25 by Callsign K6RO - IP: syn-067-253-101-060.res.spectrum.com
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- RADIOHF - Elecraft K3/10 Transceiver # 1156 10 wat
- Elecraft K3/10 High Perf 160-6m Transceiver 2.7 # 1156 10 Watt QRP
$729 delivered - check, Zelle, PP FF ok.
SER # 1156
10 Watts
2.7 SSB filter
KIO3
Very nice radio
Latest firmware installed. 5.67
Works as it should.
Good condition.
Power cord
Used it today on CW and SSB.
If you are looking for a great radio without lots of options that you won't use,this may be for you.
Missing the rear panel,but you can easily make one.
And if you want a K3 with more options,I have many to choose from.
Please see pictures for more details.
Local pickup is also fine.
Shipping from 04015
I can be reached through email if you have questions about this unit.
Larry K6RO
- Listing #1748166 - Submitted on 11/01/25 by Callsign K6RO - IP: syn-067-253-101-060.res.spectrum.com
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 RADIOHF - Elecraft K3/10 Transceiver - # 3123
- Elecraft K3/10 High Perf 160-6m Transceiver 2.7 # 3123 10 Watt
$738 delivered - check, Zelle, PP FF ok.
SER # 3123
10 Watts
2.7 SSB filter
KIO3
missing the rear panel,but that is easily made.
Very nice radio
Latest firmware installed. 5.67
Works as it should.
Good condition.
Power cord.
Used it today on CW and SSB.
If you are looking for a great radio without lots of options that you won't use,this may be for you.
And if you want a K3 with more options,I have many to choose from.
Please see pictures for more details.
Local pickup is also fine.
Shipping from 04015
I can be reached through email if you have questions about this unit.
Larry K6RO
- Listing #1744142 - Submitted on 09/25/25 by Callsign K6RO, Modified on 11/01/25 - IP: syn-067-253-101-060.res.spectrum.com
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- RADIOHF - Elecraft K3/100 Transceiver # 3099 Nice
- Elecraft K3/10 High Perf 160-6m Transceiver 2.8 # 3099 10 Watt QRP
$739 delivered - check, Zelle, PP FF ok.
SER # 3099
10 Watts
2.8 upgrade SSB filter
KIO3
Neogrip VFO Rubber
Very nice radio
Latest firmware installed. 5.67
Works as it should.
Good condition.
Power cord
Used it today on CW and SSB.
If you are looking for a great radio without lots of options that you won't use,this may be for you.
Missing the rear panel,but you can easily make one.
And if you want a K3 with more options,I have many to choose from.
Please see pictures for more details.
Local pickup is also fine.
Shipping from 04015
I can be reached through email if you have questions about this unit.
Larry K6RO
- Listing #1747804 - Submitted on 10/29/25 by Callsign K6RO, Modified on 11/01/25 - IP: syn-067-253-101-060.res.spectrum.com
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- RADIOHF - Elecraft KPA3 K3 K3S 100 Watt Amp Module
- ELECRAFT K3 K3S KPA3 100 WATT AMP OPTION - Discontinued.
Often asked for.
$559 delivered - check or PP FF ok.
If you have a blown amp,or have a 10 watt radio that you want to upgrade to 100 watts,this is what you need.
Removed from a working radio today .
I can be reached through email if you have questions about this unit.
Larry K6RO
- Listing #1738901 - Submitted on 08/07/25 by Callsign K6RO, Modified on 11/01/25 - IP: syn-067-253-101-060.res.spectrum.com
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- RADIOHF - Elecraft E850235 KIO3 PCB K3
- ELECRAFT K3 E850235 KIO3 Digital I/O PCB
If you have a bad KIO3,maybe this can help.
Discontinued.
weekend.
$24.95 delivered - check, Zelle, PP FF ok.
It came with a huge box or K3 parts that I will be listing all weekend.
If you are a tech guy,and fix Elecraft radios,this may come in handy.
I can be reached through email if you have questions about this unit.
Larry K6RO
- Listing #1748116 - Submitted on 11/01/25 by Callsign K6RO - IP: syn-067-253-101-060.res.spectrum.com
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- ANTETUNE - Wanted: ELECRAFT KAT-500 TUNER
- I am looking for a decent Elecraft KTA-500 Antenna Tuner at a decent price. I will not pay Gold Plated Prices, unless of course your tuner is Gold Plated, and then we can talk about it.
BTW I can usually spot a scam a mile away so let's just not waste each other's time
Thanks and 73 Al K9XR
- Listing #1746079 - Submitted on 10/12/25 by Callsign K9XR, Modified on 11/01/25 - IP: c-71-228-7-160.hsd1.il.comcast.net
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- RADIOHF - Elecraft P3 Panadapter # 1617 VGA
- Elecraft P3 Panadapter - # 1617 VGA SVGA Nice
Comes with manuals and cables for a k3.
$849.95 Delivered - check, Zelle, PP FF ok.
This is a very nice P3 .
I have a matching K3 in another listing.
I use one of these every day,and this one is not needed in my shack.
These have been discontinued at Elecraft.
This can also be used with a non Elecraft radio,and you may need to make up special cables.
I also have another P3 without VGA that is in another listing.
Please see pictures for more details.
Local pickup is also fine.
I can be reached through email if you have questions about this unit. $1049 there.
Larry K6RO
- Listing #1748063 - Submitted on 10/31/25 by Callsign K6RO - IP: syn-067-253-101-060.res.spectrum.com
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- RADIOHF - Elecraft P3 Panadapter # 4695 ! ++++
- Elecraft P3 Panadapter - Works great with cables # 4695 VGA SVGA
$859 Delivered - check, zelle, PPFF ok
This is a SUPER nice P3
Comes with standard k3 hookup cables, and manual.
If you need the special cable for a k3s,I have those in another listing.
I have a matching K3 in another listing.
Very Good condition..
I use one of these every day,and this one is not needed in my shack.
These have been discontinued at Elecraft.
Comes with manual and cables as shown.
This can also be used with a non Elecraft radio,and you may need to make up special cables.
I also have another P3 without VGA that will list ASAP.
Please see pictures for more details.
Local pickup is also fine.
I can be reached through QRZ if you have questions about this unit.
Larry K6RO
- Listing #1748028 - Submitted on 10/31/25 by Callsign K6RO - IP: syn-067-253-101-060.res.spectrum.com
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- RADIOHF - Elecraft KSYN3A Updated Synthesizer K3
- Elecraft KSYN3A K3 K3S UPDATED Synthesizer Option board.
$339 delivered - check or PP FF ok.
If you want to upgrade your K3 to close to a K3S,you may want this.
Or,if you are adding a sub receiver to your K3S,you will also need one of these.
I can sell it for $15 less,if you send me your older Syn board that you are replacing.
I also buy other older boards that you are may no longer need.
These have been discontinued at Elecraft.
Comes with manual.
Please see pictures for more details.
Local pickup is also fine.
I can be reached through email if you have questions.
Larry k6ro
- Listing #1743979 - Submitted on 09/23/25 by Callsign K6RO, Modified on 10/31/25 - IP: syn-067-253-101-060.res.spectrum.com
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