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Comet CAA-500 Mark II Commercial Grade SWR/Impedance Analyzer
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Contact This Person

In an effort to reduce spam and the spread of viruses, we are now providing this form for you to contact a person that has placed an ad on QTH.COM. After submitting this form, an e-mail will be generated and sent to BOTH you and the person that placed the ad. The e-mail will contain a copy of the ad, plus your e-mail information and your comments.

NOTE -- BEFORE YOU RESPOND:

  1. Please Read the Safe Trading Tips article from KA9FOX.
    Link opens up a new window, so you can come back to this ad later
  2. Use the Feedback Forums to see if the person you are about to deal with has any good or bad feedback from previous dealings.
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You are responding to the following ad:

Ad Number:1747444
Date Placed:10/25/25
Name:Gary Perlman
Phone Number:617-733-6967
Callsign:KA1BJX
Category:RADIOHF
Heading:CommRadio CTX-10 $650
Ad Message:The CommRadio model CTX-10 is a QRP rig with power output limited to 1, 5, and 10 watts. It transmits on 80 meters through 10 meters plus general coverage (receive mode only).
The CTX-10 operates on: CW and SSB.
I used this XCVR with a rig blaster advantage to run FT8 successfully.
.
NOTE: This radio was just repaired* due to zero power output.
.
*repaired by: Aspen Electronics Mfg Inc., 8975 Marshall Ct, Westminster CO 80031.
.
Otherwise, it is in good condition.
The unit has an internal automatic antenna tuner, CW keyer, internal batteries (18650 X 3), and Zero rails (installed).
Includes the mike and DC cable (standard 5.5mm barrel, 2.5mm pin receptacle plug to loop/rings), digital adapter.
Connect a suitable 5-20 VDC power source. Output to BNC. Includes SO‐239 Female to BNC Male adapter.
.
The mic connects in the rear to an eight-conductor modular (RJ‐45 type) port.
.
Incorporating firmware revision 1349
.
$650 (includes shipping), via PayPal, check, or Postal money order.

Your Response to this Ad:

Due to the amount of non-ham scammers trying to respond to the ads, I am now asking a simple question that ham operators should easily be able to answer, but scammers may not know the answer: What is the number that hams use to represent the phrase "Best Regards"? This number is typically transmitted by hams at the end of a QSO.
Best Regards:

Your Name:
Your Callsign: (Enter NONE if you have no call)
Your E-mail Address:
Your E-mail Address Again:
Your IP Address:216.73.216.9
  Please forget all information you have automatically stored about me in cookies.
Your message:

BUY / SELL / TRADE SAFELY!
I agree that I have read KA9FOX's Safe Trading Tips HERE (link opens in new tab).


 

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