Paul, I will is a Scom 6k at the receive site and a Simon and pion on the tx site as I am using a Mastr II Base thanks guys any hints on good 10 meter repeater antennas besides the db 212? Mike N8FWD
--- In Repeater-Builder@yahoogroups.com, "Paul Plack" <pl...@...> wrote: > > Mike, > > As others have noted, receiver selectivity and transmitter cleanliness will > determine how far apart the sites need to be. > > All transmitters in the system must be ID'd. Various schemes are possible, > and the FCC is not going to get so specific here so as to stifle technical > innovation. (Although it wouldn't be the first time.) The bottom line is > compliance with the rules. 97.3(6) defines automatic control as: > > "The use of devices and procedures for control of a station when it is > transmitting so that compliance with the FCC Rules is achieved without the > control operator being present at a control point." > > If you create a kluge of a control scheme which proves unreliable in ID-ing > as required, you'll run afoul of 97.101(a), which states: > > "In all respects not specifically covered by FCC Rules each amateur station > must be operated in accordance with good engineering and good amateur > practice." > > If you ID the whole system by asking users to do it on the input, you're > using a procedure to control the sending of the system ID, which satisfies > 97.3. But on a band where propagation guarantees users not familiar with your > procedure, random noise, or users of other, distant repeaters getting into > yours by mistake, you'll end up violating the ID requirement often. I would > expect to be cited for violating 97.101 in this case. > > If you use a traditional, Morse-audio ID on the outgoing link from the > receive site, it will also ID the transmit side. But you're still vulnerable > to having unidentified transmissions on the repeater output if something > other than the link gets into your link receiver, (such as intermod or > intentional, unauthorized users.) > > From a practical standpoint, there's not much excuse these days for using > only one controller. It's ridiculously cheap now to put a separate, very > basic controller at the one site, and a more elaborate controller with any > desired bells & whistles at the other site. Run the main controller with zero > hang-time on the link, so you can use a timeout timer on the controller at > the transmit site. The only downside to two controllers is double IDs, and > there are ways to minimize that. (Have a link ID detector at the transmit > site to reset the ID timer there; notch the audio frequency of the link ID at > the transmit site; etc.) > > Or, just pick different audio frequencies so you can tell them apart, and let > all the IDs be heard. Hams used to be proud of Morse code. ;^) > > 73, > Paul, AE4KR > > ----- Original Message ----- > From: N8FWD > To: Repeater-Builder@yahoogroups.com > Sent: Monday, March 29, 2010 6:42 AM > Subject: [Repeater-Builder] 10 Meter Questions > > > > How far apart does my TX and RX in air miles on 10 meters have to be for > a 150 watt transmitter? > Can I put a ider on the rx site and let it id through the link and through > the transmitter and be legal or do I have to Id at both sites? > Thanks Mike N8FWD >
