Amateur Radio and Electronic Hobby Kits, Parts, and Accessories

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Welcome to 3rd Planet Solar & the shack of KC9ON


 Want to know more about Amateur Radio, QRP, or HF Digital Modes?  Visit the Ham Radio page for Amateur Radio information and links!


Download our 2017 Catalog


HW-8-TR replacement relay kits are back in stock!


A new batch of Fox Hunt Offset Attenuator kits are in stock!


Prototoids-SMT boards are back in stock


Stay tuned – Kanga UK products arriving soon!

*** Sanford Wattmeter ***

*** M0TGN Morse Tutor ***

*** DX40 DC Receiver ***

(and others to follow)


New Prototype special

20W SMD Dymmy Load Kit in SMA or BNC versions

Want to try SMD?  These use larger parts for your first SMD project.  See the SMD Dummy load prototype page for more details.


NEW Crystal Frequencies are in stock!

18096   50.4  41.09 & 41.4 (Rx 6M Compliments with 9MHz IF)


NEW Crystal Frequencies are in stock!

4000  5373   5405   7023   14070   24906   28060   50.090


Vote for the next crystal frequency you think we should carry this fall!


A new herd of CALF is in stock


Mini-Yack keyer/trainer is back in stock


Pixie Switches are back in stock!


3CPO keyers are back in stock!


Get more mileage out of your Crystals.

Pull them 10-20-30KHz+ !  Click here for the article.


New Parts added to our ODDS & ENDS page

FT23-43 Toroids 5mm Red LED 7806 6V TO-220 Regulators
MC145051 10-bit ADC SP232 RS-232 Drivers 40-pin Dip Sockets



Download our 2017 Catalog

 2016-01-30  Full Reverse Polarity Protection article from the T5W exerpts can be found here.

What’s 3rd Planet Solar all about?  Check it out in the About section.



Bagging a CALF herd




A few pictures of the shack:


Shack-Wide NewShack2 CALF-3CPO-HW-8
Once in a lifetime event – The bench is clean! 2016 Shack Upgrade The happy trio – HW-8, CALF, and 3CPO



The gear consists of an Icom IC-725 and MFJ 949D tuner/meter as the primary HF station with a Bencher and 3CPO for CW.  The old TRAC keyer still works but mostly retired now.  The main antenna is a simple 40M bowtie dipole which works pretty good on all bands.  Lately my Heathkit HW-8 has taken center stage pretty much replacing the IC-725.  Since my first HW-8 there is now a HW-7 and another HW-8 for camping.


The 2M primary station is an IC-251H with killer audio and RF output.  For Satellite and ISS work a Yaesu FT-290RII and Kantronics KAM fills the bill.  Yes, you can work the Space Station on just a watt or two and a simple vertical antenna!


When home-brewing and repairing we also use some fairly older equipment.  Heathkit IG-1271 signal generator, B&K 512MHz frequency counter, Philips 100MHz scope, Autek WM-1 RF/SWR meter, Heathkit IM-1210 DMM, Ramsey COM3 service monitor, Bird Wattmeter (that I always want more slugs for!), a few handheld DMM’s, my Digital Dummy Load, bench vise, and of course a Tenma solder reworks station.


Not pictured of more old equipment I pull off the shelf from time to time to play with.  A Kenwood TS-520 (under restoration), TS-530, Heathkit HW-16, HW-7, 2nd HW-8, HW-101 (under restoration), and my first rig an old Hallicrafters HT-17 (also under restoration).


Thanks for stopping by and 73!

John kc9on


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