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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.
   Link opens up a new window, so you can come back to this ad later

You are responding to the following ad:

Ad Number:	1743120
Date Placed:	09/14/25
Name:	Fred Dennin
Phone Number:	4045579769
Callsign:	WW4LL
Category:	MISC
Heading:	MFJ-640 NEW and Unused
Ad Message:	2-Radio Headphone Selector/Mixer NEW and Unused - $50 CONUS includes shipping. MFJ-640 combines or selects audio from two different receivers -- Great for operating "split" for HF contests and DXing, or cross-band for VHF/UHF satellite. Just connect the audio output of two receivers to the two 3.5mm audio connectors on back of the unit. Then plug in your stereo headphones and you are ready to go. MFJ-640 provides both 1/4” and 3.5mm stereo headphone jacks -- no need for adapters! From the front panel you can select the audio output desired - Mix, Radio 1,Stereo, or Radio 2. In the Mix mode both radios are combined in both the left and right earphones, and the audio mixing levels between the two radios are controllable. In the Stereo mode, Radio 1 is heard in the left ear and Radio 2 is heard in the right ear. Compact 4 3/4W x 2 1/8H x 5D inches.

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:	216.73.216.168
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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