The magic repeater can be activated on several band now!
You can now find us on VHF 145.170 MHz. - offset
and a 100.0 Pl tone.
On UHF you can access the system from UHF 443.050 MHz. +offset.
We also have 6 meters up on line. 53.470 MHz with a - offset, (Temporarily
down for repairs)
Currently the Magic repeater system is going through several changes and we hope to have another system near Foresten, Mn. on 146.745 MHz, N0GOI repeater. At this time we have three receive sites up and running. The receive sites are located in Woodbury, MN. KF0ZM, St. Paul, MN. KA0JLB, George N0SBU in Hugo, MN. One of the current changes to the Magic repeater system is the installation of a new voter and two new receiver sights. One in Brooklyn Center, and one in Bloomington. We hope this will solve a lot of the sight hopping we were having. The sites use a UHF link to the voter for those of you who didn't already know. Note!
While listening to the repeater I often hear the first time amateur asking questions like, how come I can hear the 145.170 mach. on 443.05 or what do you mean I'm going through the St. Paul Park site? If your one of the newbie's to the magic repeater system or any VHF or UHF system your not alone. With all the new no-code techs entering the VHF an UHF bands I hear these questions every day. What ever your current license maybe or maybe your even a avid scanner listener, let me see if I can fill in some of these blanks for you. For an example if your in the Woodbury MN. area and using the 145.170 MHz machine with a negative offset and a Pl tone of 100.0 your listening to the out put of the transmitter which is located in St. Paul, MN. When you transmit with the negative offset your transmitting on 144.570 MHz and may very well be getting into several receive sites. WHAT IS A RECEIVE SITE? A receive site and we have a few, is just what it sounds like. In short its another repeater that receives your signal as you transmit and then retransmits the signal. In the case of the magic system and the example above your signal is received and retransmitted on what we call a UHF LINK to the main transmitter in St. Paul. At the St. Paul main site there is of course a UHF receiver that grabs the signal and retransmits the signal out on 145.170 MHz. Now that is a simple explanation of what is going on when you transmit. There are a few other thing to keep in mind that are going on behind the scenes. #1 the main site may also be transmitting your signal on another band such as UHF and our 443.050 machine. #2 You might be into several sites at the same time. That's where the voter comes into play. It receives your signal from the different sites and determines which sight your getting into best by comparing each signal from each sight and the noise levels coming from each of the sites. The voter then says "hay I'm getting a better signal from the Woodbury site than I am from the St. Paul sight so lets use the Woodbury signal" and then passes that signal through the system.
Magic's Main Site
1-LOCATION
The main site for the magic repeater system is
located about 1 mile north of the MN capital
2-POWER
The 145.170 -offset 100.0 Pl tone transmits 100 watts
3-HEIGHT
Elevation at the main site is 980 ft.
The tower stands 64 ft. and the antenna base is 70 ft.
Here is a picture of the meters that Terry N0GOI
has installed on the 145.170 repeater.
These are used to monitor the signal strength of
each remote receiver.
Hugo,Falcon Heights and ST.
Paul are hooked up for now.
4 Falcon Heights Site Snelling Ave. @ Larpenteur Ave.
Went online 9/8/2013.
6 METER MACHINE The magic 6 meter machine can be
found at 53.470 MHz -offset. Currently running 30 watts.
5-Woodbury Site LOCATION Just SE of 694,94,494 junction.
Upper Left mores code cw-ider.
Top center is the COR ( Motorola Rick Interface )
Lower Left Motorola Radius GM300 VHF Repeater imput
Lower Right Motorola Radius GM300 UHF Repeater link.
KA0NAN,MARTY
KA0ZJG,BUD
AND N0SBU GEORGE
AT KF0ZM,JOHN'S QTH.
Went online 9/2/2013
The unit is a Motorola GR400.
The upper left is the Repeater Interface which is a HIM 3333B controller.
The lower left is the 144.570 receiver which is a Motorola Max Trac.
The lower right is the 440 link transmitter which is a Motorola Radius.
LOCATION At Hwy. 61 and 141 St. No.
Here are two pictures of Terry N0GOI working
on the link antenna for Hugo at the main site.
