List - My memory misfired. The TR-7 Receiver Protector was the RP-700
not the RP-7. http://www.dproducts.be/drake_Museum/nouvelle6.htm
Over the years of Drake ham production. Some kind of Receiver
Protection was model dependent.
73 Bob W7AVK
On 10/16/2011 9:25 AM, Kihwal Lee
rd to find PIN diodes used in the TR-7
series.
73 Bob W7AVK
On 10/16/2011 8:28 AM, Garey Barrell wrote:
As others have said, it's a protective 'fuse' for the receiver in the
TR-3/4 series transceivers.
It's a worthwhile addition because again, the TR-3/4 series is an
Posting for a friend.
*Drake SPR-4 general coverage rcvr, original manual, AC line cord,
cigarette lighter DC line cord, 5-NB noise blanker, SCC-4 calibrator,
AL-4 LF loop antenna, homemade RY-4 RTTY adaptor. Comes with 40 crystals,
23 of which are in the rcvr, 17 in an outboard crystal deck. T
Posting for a friend.
*Drake SPR-4 general coverage rcvr, original manual, AC line cord,
cigarette lighter DC line cord, 5-NB noise blanker, SCC-4 calibrator,
AL-4 LF loop antenna, homemade RY-4 RTTY adaptor. Comes with 40 crystals,
23 of which are in the rcvr, 17 in an outboard crystal deck. T
Tom - I don't know the number produced, but the original TR-7 was sold
without the Digital Display. At that time the DR-7 was an option.
This was quickly changed to what we know now.
73 Bob W7AVK
Home of the TR-7 Service kits and PIN Diodes
On 7/6/2010 11:01 PM, Tom Evans, AG9X
e.com/watch?v=UgxbUBNaee0
73 Bob W7AVK
___
Drakelist mailing list
Drakelist@zerobeat.net
http://mailman.zerobeat.net/mailman/listinfo/drakelist
, AFTER we
changed out the failed power transformer. :-) It did happen. Only
one I ever saw.....
73 Bob W7AVK
Garey Barrell wrote:
The most famous and referenced purveyor of the "Wash and Run" for
electronics is Tektronix. They used the procedure for many years, and
even had
"one stop" I've sent the page to Ron and he has assigned this url
to it.
For the updated TR-7 Service kit information at its new location, check
out http://wb4hfn.com/Services/W7AVK/tr7ext2.htm
Thanks to all who answered my call for he
e
new ISP is not establishing the Service Kit web page as promised.
I'm not a computer person so I'm open to suggestions as to where and how
I might put the 600 K total nine files that make up the page. Being a
non profit operation, looking for the cheap. :-)
Thanks,
73 Bob
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Interesting post.
http://www.walletpop.com/specials/top-25-things-vanishing-from-america?icid=200100397x1205860662x1200271493
Check number 16.
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Jim - If the on line auction house isn't band some how, the list quickly
degenerates into every other post being an ad to go to some item j
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Good Day Drake Fans - For sale a PS-75 power supply. Good condition, no
mods or dings. Photos available.
Asking $110 plus shipping from zip
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Hunter - Not a guru on the subject, but if they are 120 volt already why
not just make up a line cord for them and plug the cord into a computer
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Thomas and Group - The USPS has two priority mail FLAT RATE boxes for
which you can mail what ever you can get into it to anywhere in the USA
for
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Good morning all - Need the part number, where to get, or anyone have an
extra mating cable plug that connects into the TR-7 microphone con
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Looking to find a TR-7 dummy card where the Noise Blanker NB-7 option
would go. Some times called the IF Switching Card.
73 Bob
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Good Day DRAKE fans - Its Bob, W7AVK, the fellow who has been selling
the TR-7 and R7 Service Kits [13 Extender Cards and Digital Jumper Board
] f
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
An additional item about the TR-7 AF/RF/Power switch combination. The
control was a special order by DRAKE 30 years ago and is one of those
"
Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Good Day - I'm the guy that has been making the TR-7 series Service
Kits. This is the 13 extender boards and the Digital Jumper card
require
Bob W7AVK <[EMAIL PROTECTED]> made an utterence to the drakelist gang
--
Good Morning DRAKE list - For the first time I will be attending the
Dayton Hamvention next month. First time east of the Mississippi in 55
years.
Bob W7AVK <[EMAIL PROTECTED]> made an utterence to the drakelist gang
--
Mike - Two items before you start an alignment:
Make sure the 10 volt regulated is exactly 10.00. Note this adjustment
is near a couple others you
Bob W7AVK <[EMAIL PROTECTED]> made an utterence to the drakelist gang
--
Steve - the 10R and !0T lines are switched by a pair of small
transistors that like to act like fuses if there is something wrong on
either of the
To help with the build drawing, here is a photo.
73 Bob W7AVK
Joe Mann wrote:
Paul, I
made mine from what looks like #13 Copperclad steel wire. Total length
= 4.5 in. There
are 4 bends, all right angled.
/---\ <--->
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