Category Archives: Uncategorized

We’re already up to day 5 of operation for the 6m repeater.  I’ve enjoyed meeting some new hams, and reconnecting with some old friends!  Possibly this weekend some additional new users will arrive, as people have time to set up … Continue reading →

It is still small potatoes in the Internet world, but within the ham universe, the 6 meter repeater is getting some attention.  This blog had been averaging around 50 hits per day, but yesterday (first full day on the air) … Continue reading →

There has been a lot of activity on the first day of repeater operation.  Thanks to everyone who has given it a try!  Remember to carefully set up your transmit shift, and the tone: Dial in the receive frequency first: 53.670 … Continue reading →

Sunday night, May 13 at around 8:00pm – the final connections were made, the power switch flipped on, and the KD2SL 6m repeater went on the air!  It is an exciting milestone in the project, and this is a good … Continue reading →

I’ve been thinking about the question I posed in the last post: What’s the difference between a DUplexer and a DIplexer?  On a basic level, they both have to do with using multiple transmitters and/or receivers on a single feedline … Continue reading →

The debate in my mind between building a duplexer with 6″ copper transmission line vs. a TV broadcast filter ultimately came down to exactly WHAT was inside the filter cabinets.  For years I had been walking past the filter boxes, … Continue reading →

There are many things to learn when taking on a project like this.  One of the more surprising for me was that very few types of coax cable are suitable for use on a repeater.  I thought I understood coax … Continue reading →

Knowing the basics of duplexer theory are one thing, actually building one is quite another.  There are several viable methods of construction, with varying degrees of performance and pros/cons.  There is no way I can describe them all, so if … Continue reading →

Have you ever wondered how a repeater gets its frequency?  Some people probably assume the FCC handles that.  I don’t know if that might have been true years ago, but these days repeater frequencies are coordinated by volunteer groups.  Syracuse falls … Continue reading →

I am pleased to annouce a few updates: The crystals have arrived for the GE Mastr II repeater!  They will be installed, and the tune-up performed within a couple of weeks.  (Thanks to the “anonymous” ham who is handling this … Continue reading →