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MURS Antenna help

Delivers1234

Member
Joined
Sep 18, 2016
Messages
282
Location
Monterey, CA
Hi. So I'm setting up a base antenna for MURS using a TERA 505 handheld. So I ordered a Browning 6051 antenna because it had a a 144-167 range. I was sent this one instead. Tram BR-6051 Pre-tuned Fiberglass Base Antenna - VHF 2M Land Mobile MURS 115-170 MHZ

So the range is 115-170. Will this work well? I just want to use it for MURS. Or do I want to get something that is tuned to 151 & 154 MHz (MURS)? Is there something like this? What does it mean to be pre-tuned?

MTC said this will work.

Thank you,

delivers1234
 

mmckenna

I really ♥ Ø
Joined
Jul 27, 2005
Messages
17,107
Location
Pt. Nemo
That looks to be a half wave antenna, so it's probably got about 20MHz of bandwidth below 2.0:1 SWR. It also seems to have similar spec's as the Browning you ordered. I know it shows a different frequency range, but I think that is typical Tram/Browning BS marketing.

Since Tram doesn't include a chart showing where it's tuned, it's unlikely it's going to work well across that much spectrum. Likely it's centered somewhere in the middle, which might actually work well for MURS.

Only way to know for sure is to put it on an analyzer, or hook it up to your radio and check SWR.
 

W8UU

Member
Premium Subscriber
Joined
Nov 22, 2007
Messages
188
Location
Wellston Ohio USA
Here's a spec sheet from Tram:


Shows the lowest VSWR between 150 and 155 MHz which is perfect for MURS.

"Pre-tuned" is usually marketing-speak for you can't cut or adjust the length of the antenna to make it work better on a particular frequency. You get what you get right out of the box with no changes possible.
 
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