[AMRadio] Westinghouse TBW-4 Transmitter

2007-09-20 Thread DOXEMF
Hello, Has anyone gotten one of these well built transmitters on the air? HF unit is CAY-52239 3000kc to 18.100 and the IF unit is CAY-52119 350kc to 1000kc with the power supply CAY-20084 operating at 120vac 800 cy. These use a suppressor modulated 803 at 2kv. I am looking for any

Re: [AMRadio] Westinghouse TBW-4 Transmitter

2007-09-20 Thread Mark Foltarz
Bill, I put a power supply / modulator for one a couple of years ago. We have'nt finished moving in yet, so it is not part of the station here in Tampa as yet. small : http://www.lakeerieba.com/images/sm_tbw.gif large : http://www.lakeerieba.com/images/tbw.jpg Pictured next to it is

[AMRadio] AM DX - MALTA - 9H1 standing by for you!

2007-09-20 Thread Bry Carling
FORWARDED MESSAGE of interest to 75m AM OPS!! AM DX - MALTA - 9H1 standing by for you! Tomorrow Friday is a public holiday here in Malta. So tomorrow I am going to be QRV on 3705 khz at 06:30 hrs our local time. 73's Fortunato 9H1ES

[AMRadio] Are there commercial made amps that operate better for AM than others?

2007-09-20 Thread John
Before I get to my topic I just wanted to say that I really enjoyed the Receiver subject the past few days. I see old radio's here and there that I'm scared to invest in because they may be a piece of junk or too far gone to restore. I tried to make a list of some of the receivers and transmitters

Re: [AMRadio] Are there commercial made amps that operate better for AMthan others?

2007-09-20 Thread kenw2dtc
From: John [EMAIL PROTECTED] I heard that some of the commercially made Amps don't do so hot for AM operation. Are there some that are made that are better than others for use on AM and which ones to avoid. For over 5 years I've used a couple of Ameritron AL-1200's on 160-80-40 AM with

Re: [AMRadio] Are there commercial made amps that operate better forAMthan others?

2007-09-20 Thread Jim Miller WB5OXQ in Waco
I use a Ten Tec titan 425 which uses a pair of 3cx800's and it will do more than legal limit on am wb5oxq - Original Message - From: kenw2dtc [EMAIL PROTECTED] To: Discussion of AM Radio in the Amateur Service amradio@mailman.qth.net Sent: Thursday, September 20, 2007 11:00 PM

Re: [AMRadio] Are there commercial made amps that operate better for AM than others?

2007-09-20 Thread k0occ
I've owned a bunch. IMHO, best overall, but a little pricey, is Alpha 76PA (three holer). Best price performer - AL-80 (A or B). Good stiff power supply, almost 3 KV. Single 3-500Z - Readily available not so expensive. Puts out 250 watts carrier with about 12 watts drive with no strain.

Re: [AMRadio] Receivers

2007-09-20 Thread D. Chester
I use a modified 75A-4. All mods are reversible. Outboard mechanical filters plus the internal slots give the following choices of mechanical filters: 300~, 3.1 kHz, 4, 6, 8, 9.7, 16. Use outboard 10w hi-fi audio amplifier driving 16 coaxial speaker in G-E broadcast studio monitor box. The