Transmitter Talk
Transmitter management is an interesting way to do the part 15 hobby.I have mapped out a number of AM & FM frequencies, as well as a shortwave and longwave frequency, and am building...
View ArticleHawks AM Broadcaster
Is anyone here familiar with the Hawks AM Broadcaster?It was a Part 15 transmitter until the maker dissolved in the 1990s.I am seeking a schematic, manual and picture of the Hawks AM Broadcaster.A web...
View ArticleThe Case for 100 mW
Perhaps the FCC used the following reason for setting the Part 15 AM power cap at 100 mW to the final stage.This amount of power with a 10-foot length of wire antenna provides a useful signal to an AM...
View ArticleThe SymetraPeak Reborn
Audio All Pass Filter/Phase Rotatorhttp://vi.raptor.ebaydesc.com/ws/eBayISAPI.dll?ViewItemDescV4&item=13068... very interesting. wonder how it would help part 15 am operations? also can you pair...
View ArticleNew Part 15 AM Transmitter Reviews
Back over on that other site (you know, the one that claims to be the 'authoratative radio reference') they're preparing to release several new radio reviews.I hope they do a better job on the...
View ArticleFirst post/Beyond the broadcast bands
Hello. I don't know where else to post (I mean, where else on the entire Internet). I was hoping that maybe some folks here could help me out. I apologize for the length, but I come to you tired and...
View ArticleCheck this out...
http://www.ebay.com/itm/AM-Stereo-C-QUAM-Transmitter-/141633790669?pt=LH...Thought this may be of interest to someone. MarkForums: Transmitter Talk
View ArticleTRANSMITTER STANDARDS
Every spring at this time I like to summarize the standard viewpoint held by KDX Worldround Radio regarding Part 15 AM radio transmitters.Most persons contemplating to build a low power AM station...
View ArticleSStran AMT3000 PLL issues
i got a 2004 model sstran, and the PLL is not functioning correctly. i get a carrier on 1410, and just a little fluttering on the freq i actually want it to be on. i've tried changing dipswitch...
View ArticleA simple project
http://makezine.com/projects/super-simple-fm-transmitter/Forums: Transmitter Talk
View ArticleModeled Part 15 FM service contour map generation
On another site I found a link to a page that will plot coverage prediction using Longley Rice. http://lrcov.crc.ca/main/index.php (requires free registration). (If this has been covered before, I am...
View ArticleC.Crane FM Transmitters 1 & 2
At last an excellent review on the difference between C.Crane's FM Transmitter 2 and the original FM Transmitter 1:http://radiojayallen.com/c-crane-fm-transmitter-2/Forums: Transmitter Talk
View ArticleTime Machine Man
We don't have a forum category for "Time Machine" but someday we'll be able to go back and add one.For now the category "Transmitters" will do, since time travel requires transmission of a sort.This...
View Article$12pll question...
im getting a signal on 1640 where i want it, but theres a stronger spur present on 1240. unsure of what i can do to clean that up. hopefully my chips aren't junk. Forums: Transmitter Talk
View ArticlePanaxis FME-250 restoration - need some information
Hi there,I was hoping someone might be able to help. I've recently come into possesion of a derelect Panaxis FME-250 that I'd like to get up and running again. Does any one have or know where I might...
View ArticleTransmission Line
As we know, a "transmission line" is a cable to deliver RF output from a transmitter to an antenna.Part 15.219 limits the length of any transmission line as part of the 3-meter limit also including...
View ArticleTop Loading
Part 15 AM outdoor installations tend to utilize bottom loading of the 3-meter vertical antenna for a number of practical reasons, such as listed here:1.) the Part 15.219 3-meter rule can best be met...
View ArticleCrystal gor Rangemaster
Hi folks. We have a hamilton rangemaster that we use at a school for parents waiting in the parking lot. I sent it back in to be serviced and somewhere between the company and my office the crystal was...
View ArticleUsint FCC id# as ID at Top Of Hour
I've got an idea to solve the problem of folks who may not be educated about micro broadcasting and calling the police or any other law enforcement or haggling you about your FM transmitter that may go...
View ArticleA new Part 15 Transmitter
https://scontent-mia1-1.xx.fbcdn.net/hphotos-xtp1/v/t1.0-9/10996949_1020... Forums: Transmitter Talk
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