Re: [AMRadio] National PW Dial

2007-03-15 Thread Sara Wayne Steiner
Yes John It has sparked my interest also. Actually I have been wanting to get the old 160 m receiver going agn. The one with the 200kc mech digital dial. wayne __ AMRadio mailing list List Rules (must read!):

Re: [AMRadio] National PW Dial

2007-03-13 Thread Sara Wayne Steiner
I found that the variables in the command set series of transmitters are very close to straight line frequency. Some years ago I built a variable osc. using one of those caps and a mechcanical digital counter and was in within less than .5 khz over a 200khz band (160m). I of course had to do

RE: [AMRadio] National PW Dial

2007-03-13 Thread John Coleman ARS WA5BXO
in the Amateur Service Subject: Re: [AMRadio] National PW Dial I found that the variables in the command set series of transmitters are very close to straight line frequency. Some years ago I built a variable osc. using one of those caps and a mechcanical digital counter and was in within less

Re: [AMRadio] National PW Dial

2007-03-12 Thread D. Chester
Does anyone have any information on getting a PW dial { 0 to 500 units) to directly correspond to 0 - 500 Khz. in a VFO circuit? I have the National PW Condensor, a PW dial with a 155 pF. air variable. Thanks, Byron WA5THJ. It might be possible, by carefully pruning the coil, and adjusting

Re: [AMRadio] National PW Dial

2007-03-12 Thread david knepper
- Daily at 4 PM EST on 14.285 Mhz - Original Message - From: D. Chester [EMAIL PROTECTED] To: amradio@mailman.qth.net Sent: Monday, March 12, 2007 1:06 PM Subject: Re: [AMRadio] National PW Dial Does anyone have any information on getting a PW dial { 0 to 500 units) to directly

RE: [AMRadio] National PW Dial

2007-03-12 Thread Brett gazdzinski
@mailman.qth.net Subject: [AMRadio] National PW Dial Hello- Does anyone have any information on getting a PW dial { 0 to 500 units) to directly correspond to 0 - 500 Khz. in a VFO circuit? I have the National PW Condensor, a PW dial with a 155 pF. air variable. Thanks, Byron WA5THJ

RE: [AMRadio] National PW Dial

2007-03-12 Thread John Coleman ARS WA5BXO
I was able to get another tuning capacitor to work pretty close to the desired 1-500KC span once on the linier dial by making the tuning capacitor as a small part of the total capacitance of the circuit and by placing the tuning capacitor across only a portion of the coil and the larger part of

[AMRadio] National PW Dial

2007-03-11 Thread Byron Tatum
Hello- Does anyone have any information on getting a PW dial { 0 to 500 units) to directly correspond to 0 - 500 Khz. in a VFO circuit? I have the National PW Condensor, a PW dial with a 155 pF. air variable. Thanks, Byron WA5THJ.