[time-nuts] HP 3586B Selective Level Meter

Peter Gottlieb nerd at verizon.net
Fri Jul 20 19:51:33 UTC 2012


   Hmmm!
Subpart H--Rules Applicable to All Broadcast StationsSec. 73.1545  Carrier frequ
ency departure tolerances.(a) AM stations. The departure of the carrier frequenc
y formonophonic transmissions or center frequency for stereophonictransmissions
may not exceed <plus-minus> 20 Hz from the assignedfrequency.




   On 07/20/12, Chuck Forsberg WA7KGX N2469R<caf at omen.com> wrote:

   KEX 1190 in Portland Oregon has been 30 Hz low for several hours.
   The first field is Unix time, seconds since 1970 GMT.
   The 3586B is using the Thunderbolt's 10 MHz for its frequency
   reference.
   1342774022 -45.416000 1190000.100000
   1342774112 -45.774000 1190000.100000
   1342799196 -48.755000 1190000.100000
   1342799282 -48.707000 1190000.100000
   1342800646 -48.945000 1190000.100000
   1342800731 -48.912000 1190000.000000
   1342800818 -48.946000 1190000.000000
   1342800904 -49.013000 1190000.100000
   1342800989 -48.855000 1190000.100000
   1342801076 -78.562000 1189970.300000 --- dropping off the sides of
   the 20 Hz filter!
   1342801163 -78.582000 1189970.300000
   1342801251 -78.594000 1189970.300000
   1342801338 -78.464000 1189970.300000
   1342801427 -78.509000 1189970.300000
   1342808721 -78.673000 1189970.400000
   The liberal talker on 620 is 7.1 Hz high.
   KUIK 1360 is about 5 low.
   On 07/19/2012 06:12 AM, Lester Veenstra wrote:
   > Hi Chuck
   > I have number of these Make great precision receivers
   > Use it on the Thunderbolt, and turn on the 0.1 Hz counter to see if
   WWF is
   > on freq. HI
   >
   > More interesting game is to look at foreign broadcast carriers to see
   who
   > are running professional plants locked to a standard, and who are the
   cheap
   > outfits that somewhere the right freq.
   > 73
   > Les
   >
   >
   > Lester B Veenstra MA~YCM K1YCM W8YCM
   > [1]lester at veenstras.com
   >
   > US Postal Address:
   > 5 Shrine Club Drive
   > HC84 Box 89C
   > Keyser WV 26726
   > GPS: 39.33675 N 78.9823527 W
   >
   > Telephones:
   > Home: +1-304-289-6057 Corrected
   > US cell +1-304-790-9192 Changed to permanent number
   > Guam Cell: +1-671-929-8141
   > Jamaica: +1-876-352-7504
   >
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   >
   > -----Original Message-----
   > From: [2]time-nuts-bounces at febo.com
   [[3]mailto:time-nuts-bounces at febo.com] On
   > Behalf Of Chuck Forsberg WA7KGX N2469R
   > Sent: 19 July 2012 02:22
   > To: time-nuts
   > Subject: [time-nuts] HP 3586B Selective Level Meter
   >
   > Got one of these massive (by today's standards) beasts the other day.
   > It has the option 003. Quite the light show when it powers up.
   >
   > I have its external reference daisy chained with a radio and two
   other
   > instruments sucking 10 MHz from my Thunderbolt.
   >
   > I have not decided what to do with the AT&T front panel input.
   > Should I get a BNC adapter for it? Or replace it with a BNC
   > connector?
   >
   --
   Chuck Forsberg WA7KGX N2469R [4]caf at omen.com [5]www.omen.com
   Developer of Industrial ZMODEM(Tm) for Embedded Applications
   Omen Technology Inc "The High Reliability Software"
   10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430
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References

   1. mailto:lester at veenstras.com
   2. mailto:time-nuts-bounces at febo.com
   3. mailto:time-nuts-bounces at febo.com
   4. mailto:caf at omen.com
   5. http://www.omen.com/
   6. mailto:time-nuts at febo.com
   7. https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts


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