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Make that how about 300 ft of 7/8?

To do a half wave trap, you would sit there and tee off the feed line with a halfway shorted piece of coax times the velocity factor of course cut for the FM frequency. That would short out the FM

You'll only need one bandpass cavity. You don't need a circulator on the packet radio. Unless you worried about it causing an earmod mix to interfere with the repeater. What frequencies are exactly

Just do a search for trap on this forum. Matt AL0R Sent: Thursday, May 8, 2025 14:06 To: [email protected] Subject: Re: [repeater-builder] Packet Node at an FM Broadcast site I have some

Tessco has it for 1.54 for such a low quantity. Matt AL0R Sent: Thursday, May 8, 2025 14:11 To: [email protected] Subject: Re: [repeater-builder] Heliax Davis RF has the best price I have

About 300 ft of 7/8? [email protected]> wrote:

Do you have a special account with them? I looked at their site just now and it shows $2.14 per foot. Thanks, Dan [email protected]> wrote:

I pay 1.34 per foot at Tessco. Ken Pearce N4KCD Commerce Township, MI

If you look in the archives of this site there have been discussions on how to build them in the past. I believe the repeater builder site may have documentation as well. Stan

Davis RF has the best price I have seen on LDF4-50A at $1.87 per foot. You might even get a lower price buying 300ft at one time. https://www.davisrf.com/heliax.php Hope this helps, Dan WD4LUR

I have some bandpass cavities that will be tuned to the packet frequency, this FM Broadcast site is a 100kW site. What's involved with the tuned stub ? Can you direct me at some reading ? Much

I need 300 feet of LDF4-50 1/2 inch heliax for a project.? If I can get the heliax to the contractor soon, he will install it at a discount as he is already installing heliax for the tower owner.?

Mod the radio so you can put one on the TX section. Depending on where antenna is you may get RX overload and may need to put a tuned stub on the RX side to notch out the FM station. Stan

Just use a bandpass cavity tuned to the packet channel Chris WB5ITT [email protected]> wrote:

Hey Folks, Long time listener first time poster. I have a situation where I would like to install a Packet station at a repeater site that is also an FM broadcast site. The repeater has an RF

Rk is not UV resistant. It is designed for plenum (indoor) installations. The jacket will degrade rapidly when used outdoors. FSJ is indeed “Superflex” and the jacket is UV resistant, though

The 7/8 is AVA5RK-50 and I just looked that Andrew calls his Heliax and not Superflex. The 1/2 inch is FSJ4-50B also not called Superflex. My bad on calling it Superflex. We already have it and the

Sure, I have no use for them. How about CAN$25 plus shipping if you can't get yours to work? These are NOS, with the original 3M tape on both mating surfaces. Tedd, VE3TJD -- This email has been

That's the service manual addendum, and it does not have complete information about the radio (I already have a copy of it, and it seems to be focused on alignment rather than full details and

This is Ray Brown, KB0STN.. if any are still available, I’ll take one. I’m good in QRZ. (I used to run a 6m repeater here in EM27.)