Yes, we still use the RF tag system. Now that we have been using it for a few years, nearly all the bugs have been worked out. The only issue we seem to run across is occasionally someone will have a helmet with a reflective surface or carbon fiber and the tag will not get read. We typically do a second test scan before you leave sign-up or have you run thru the scoring area prior to a harescramble. We seemed to overcome this by using duplicate tags. You can take the second one and put it behind your number plate or somewhere on the bike.
We have compiled a large database as these tags are used for MX, flat track and harescrambles, which in most cases speeds up sign up (you must bring your helmet to sign-up). If you are using the same helmet/tag as previous races we just read the tag with a barcode scanner which automatically brings up all of your pertinent info. The only thing we have to enter is what classes you want to run. If you have changed helmets/tag since last race, we would have to scan and add the new tag to your record, so about a minute longer. If you are a new racer we have to create the record for you and it should take no more than two minutes tops. The more races we use the system, the more riders are in the database, and the more efficient it gets.
Where the system really shines is in flat track where riders may all finish within a second or two of one another. The system has been right on the money. Of course we still have to have at least one manual back-up scorer, just in case we lost power, or the occasional racer who wants to dispute the computer scoring. The biggest problem we seem to have is people who show up five minutes before the race wanting to sign-up, drop-out or change classes. It wreaks havoc once the classes and running order has been set. Unfortunately the biggest offenders seem to be our own members.
We do not charge for using this system, but an RF tag is quite a bit cheaper than an actual transponder. We are not quite there yet as far as live scoring to smart phones, although one race we did hook up a public monitor to the system so the race results could be seen in real time during the race. Once the race is over we just make a pdf of the results and e-mail it to the CRA to post and can post it on our own website as well.
It is nice being able to see lap times for personal rider goals, comparison with other riders, and catching course-cutters in harescrambles (no, you didn't just find a new line that was four minutes quicker).