The great jointenna exchange - Page 2 - AVS Forum
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post #31 of 68 Old 02-08-2010, 01:40 PM
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I'm looking for a channel 38. Thanks.
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post #32 of 68 Old 07-10-2010, 02:54 PM
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Looking for a JoinTenna in the range of channel 30 through 49.

Particular channel is not critical.

Although if available, a channel 49 version would be preferred.

Please PM if you have one for sale.

Since I am unfamiliar with this forum activity, I will periodically check this thread in case PM doesn't work.
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post #33 of 68 Old 10-11-2010, 09:55 AM
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Quote:
Originally Posted by jscudder View Post

I have a Channel 7 unit that I don't need. I'm looking for a Channel 35 unit.

Do you still have the CH 7 jointenna?

I'm also looking for a Ch 47 and a Ch 17.

Thanks.
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post #34 of 68 Old 10-16-2010, 09:12 AM
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I have a channel 59 to sell, would like to by a channel 25. Send me a PM.
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post #35 of 68 Old 08-18-2011, 07:00 AM
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Looking for a channel 50 jointenna.
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post #36 of 68 Old 08-18-2011, 01:08 PM
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I just bought one for RF 26 from Warren Electronics.

http://www.warrenelectronics.com/Ant...Jointennas.htm

I haven't mounted a separate antenna yet for this channel, but did do a test with an antenna on the ground. When using the jointenna, the signal for this station is not as strong as it is with a dedicated antenna & cable going direct to the TV, without combining. I assume I should expect some signal loss, right? or is my jointenna not tuned as good as it could be?
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post #37 of 68 Old 08-18-2011, 04:25 PM
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I have an itch to obtain one or more UHF Jointennas to experiment with. While I don't have a Jointenna to swap for another, I can likely find something around here to make up for it. I'll even cover the shipping if you want me to.

Send me a PM if you're game and let me know what you have.

Cheers!

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post #38 of 68 Old 10-13-2011, 07:35 AM
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Looking for Channel 15 join-tenna. Why is Warren the only place to purchase UHF join-tennas? Some sort of kick back deal? LOL!
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post #39 of 68 Old 10-13-2011, 10:04 AM
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Quote:
Originally Posted by jellis86 View Post

Looking for Channel 15 join-tenna. Why is Warren the only place to purchase UHF join-tennas?

Because it is a long discontinued item and they have scoffed up someone's inventory.

A year or two ago, I surfed the internet and found someone else with an inventory of them and bought a few dozen, but I don't remember who it was and the record of that purchase is trapped in a hard drive with a virus in it so I can't access it.
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post #40 of 68 Old 10-13-2011, 12:36 PM
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Yeah...I called Warren today because I was willing to pay the 34+ bucks, but they do not have a channel 15. So it's find one online or go without the CW and ABC ever coming in steadily.
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post #41 of 68 Old 10-13-2011, 04:17 PM
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If you get anyone with a "-1" suffix, it can be manually retuned to any channel from 14-30. It only has two tuning slugs: one for bandpass and the other for band reject, but you'd need a meter to have any chance of doing it right. Sometimes, you can find a clunker old analog meter on eBay for $20 bucks or so.

You could also contact Tin-Lee Electronics and tell them what your channel pass and reject needs are and see what they can build you, but it will cost you.
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post #42 of 68 Old 10-14-2011, 12:06 PM
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Anyone know where I can get one which will do Channels 41/42? I am getting lots of multipath distortion from local channels 40 degress offset to the antenna direction and want to try a smaller antenna pointed in that direction..
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post #43 of 68 Old 12-06-2011, 05:43 AM
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Quote:
Originally Posted by Scooper View Post

I could use a channel 36, I've got a channel 24 that I'm willing to let go.

Is the Ch 24 still available. I will buy it and pay for shipping.
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post #44 of 68 Old 12-07-2011, 06:37 AM
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Looking for Channel 24 Join Tenna.
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post #45 of 68 Old 12-07-2011, 12:58 PM
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Quote:
Originally Posted by DanLindy View Post

Looking for Channel 24 Join Tenna.

Looks like warren can still get one for you. I waited several months when I ordered one for RF26.

http://www.warrenelectronics.com/Ant...Jointennas.htm
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post #46 of 68 Old 12-07-2011, 01:22 PM
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Checked with Warren and they state that they are no longer available from Channel Master. The Channel Master store has a good supply of VHF units, but none for UHF.
Have found a source with several CH 17 uhf units, and will probably go that way and try to retune it myself, if I can't find one for CH 24. I will continue looking for a CH 24 Join-Tenna for a while. Thanks for your help.
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post #47 of 68 Old 03-19-2012, 01:33 PM
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Anyone have a channel 38? I need to combine a single antenna to my main UHF antenna since the TV station had to switch on me from channel 13.

I posted this wrong it was channel 38 not 34.
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post #48 of 68 Old 04-20-2012, 06:59 AM
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I'm looking for any Jointenna tuned from 30-49 (0585-2) to buy, barter, beg, borrow, or steal.

The PCT Store recently put their remaining inventory of UHF units for the low and high UHF bands (along with remaining VHF channels 6-13 units) on sale so I got several of them to play with. I'd be willing to swap one of them (tuned to your request) for a 0585-2 or, if you happen to need a 0585-2 re-tuned, I'd be happy to re-tune it in return for the opportunity to observe it.

Shoot me a PM if you're in the game.

BTW, the 0585-3 can be tuned a bit lower than they say.

Cheers!

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post #49 of 68 Old 05-22-2012, 05:11 PM
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I'm looking for someone that can tune a couple of Jointennas for me. I live in the metro DFW area. PM if you can help. I'm willing to pay.Thanks.
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post #50 of 68 Old 06-26-2012, 02:13 PM
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Quote:
Originally Posted by AntAltMike View Post

If you get anyone with a "-1" suffix, it can be manually retuned to any channel from 14-30. It only has two tuning slugs: one for bandpass and the other for band reject, but you'd need a meter to have any chance of doing it right. Sometimes, you can find a clunker old analog meter on eBay for $20 bucks or so...

I see that this guy is listing two channel 14-30 Jointennas on eBay for $19.50 plus $5 shipping each and will tune them to the buyer's specs. http://www.ebay.com/itm/Channel-Master-Jointenna-Ch-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28-29-30-/290734332972?pt=US_Antennas_Dishes&hash=item43b11ddc2c
Quote:
Originally Posted by russ26 View Post

I'm looking for someone that can tune a couple of Jointennas for me. I live in the metro DFW area. PM if you can help. I'm willing to pay.Thanks.

Maybe that guy in the link I furnished above can help you.
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post #51 of 68 Old 06-26-2012, 02:21 PM
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I talked with the guy who has the fleebay listing and was very nice, but I don't remember off hand if he could tune them or not. I thought so.
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post #52 of 68 Old 09-11-2012, 11:57 AM
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I have read with great interest all the comments about channelmaster jointennas. I have a serious multipath problem and need multiple antennas. I have a channel 20 jointenna which works fine and two channel 23 jointennas, neither of which works. I suspect that they are not tuned correctly, especially the bandpass section. I sent them to Channelmaster, but they said they were good. Can anyone tune these for me?
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post #53 of 68 Old 10-01-2012, 12:02 PM
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If anyone wants to buy a jointenna Channel Master is having a closeout on them right now. They have models for channels 6, 7, 8, 9, 10, 11, 12, 13, 14-29, and 50-69. All are $3.99 each. I assume the UHF models are not tuned. You will probably have to be able to do that yourself.
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post #54 of 68 Old 10-01-2012, 12:31 PM
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The UHF models indeed are not tuned. Without the proper test equipment, it would be tough to even get into the ballpark for adjusting one.

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post #55 of 68 Old 10-01-2012, 01:09 PM
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We need to find someone who can tune these without breaking the bank.
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post #56 of 68 Old 10-02-2012, 06:07 AM
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Quote:
Originally Posted by rptr View Post

I have read with great interest all the comments about channelmaster jointennas. I have a serious multipath problem and need multiple antennas. I have a channel 20 jointenna which works fine and two channel 23 jointennas, neither of which works. I suspect that they are not tuned correctly, especially the bandpass section. I sent them to Channelmaster, but they said they were good. Can anyone tune these for me?

If you sent them to Channelmaster, rather than to a Channelmaster dealer or distributor and they said they are good, then they are good.
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post #57 of 68 Old 10-02-2012, 06:14 AM
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Originally Posted by lovebohn View Post

We need to find someone who can tune these without breaking the bank.

You can become that guy. You can often buy a used Avcom spectrum analyzer on eBay for a couple hundred dollars, and Applied Instruments NS-1 noise generators can sometimes be had used for $50 to $100. Then you can become the AVSForums tuning junkie and discover why no one is offering to perform this service and no company is interested in furnishing this or similar devices. Bandpass filters are often not capable of remedying a customer's reception problem, but the seller of these products and any company that might tune them have to deal with customer dissatisfaction.
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post #58 of 68 Old 10-02-2012, 06:42 AM
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Or bite the bullet and buy one from Tin Lee.
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post #59 of 68 Old 10-02-2012, 11:33 AM
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Quote:
Originally Posted by AntAltMike View Post

You can often buy a used Avcom spectrum analyzer on eBay for a couple hundred dollars, and Applied Instruments NS-1 noise generators can sometimes be had used for $50 to $100. Then you can become the AVSForums tuning junkie and discover why no one is offering to perform this service and no company is interested in furnishing this or similar devices. Bandpass filters are often not capable of remedying a customer's reception problem, but the seller of these products and any company that might tune them have to deal with customer dissatisfaction.

Here's one on eBay presently at $86 plus $13 shipping, with just one day of bidding left. It will probably take about a $200 bid to walk away with it.

http://www.ebay.com/itm/Avcom-PSA-37D-1750MHz-Portable-Spectrum-Analyzer-PSA37D-/190731730310?pt=LH_DefaultDomain_0&hash=item2c687f3d86
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post #60 of 68 Old 10-03-2012, 06:19 AM
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AntAltMike

Thanks for responding to my query. I really appreciate that guys like you take the time to help guys like me. I think I understand how the Jointenna works. Correct me if I am wrong. The Jointenna has two filters in it with their outputs connected together. One is a narrow bandpass filter that is tuned to to the channel that needs a separate antenna. The other is a band reject filter tuned to that same frequency. This allow the two antennas to be jointed without interfering with each other. My problem is that while I can get a good signal from the single channel antenna, when I connect the antenna to the single channel input of the Jointenna and the output to the TV, I no longer get a signal. I couldn't think of any reason other than the Jointenna wasn't tuned to the right frequency. I think I have connected everything correctly. As I said I have a channel 20 Jointenna that seems to work well. Can you think of anything I might be doing wrong?
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