An additional 20dB of isolation can be realized by replacing the
antenna Tee connector with a circulator. Port A to B tuned to the TX
frequency, Port B to C tuned to the RX frequency. Connect TX to port
A, antenna to B, Receiver to C.
I'm using a set of WP-639 and with this setup I am seeing
Look around for a switch mode power supply that uses 600kHz as the
switch frequency. SMPS Battery Chargers are popular for causing this.
Also florescent twist lights are really good for making desense on
VHF.
FM Broadcast started out Horizontally polarized. Circular
polarization was later authorized under 2 stipulations. The vertical
plane power can not exceed the horizontal power ERP, and the
horizontal plane ERP is used for the stations ERP. So a station with a
horizontal antenna can effectively
Lets get some pictures johnny
On Thu, Sep 2, 2010 at 10:25 AM, wa6epd lme...@cox.net wrote:
Wondering if anyone has found a source for the memory backup
battery for the Motorola R2600 Service Monitor?
Motorola says the part is obsolete and General Dynamics
is doing some research, but it
I haven't seen problems from condensation.
Now salt water corrosion from installations on a coast, that's a pretty big
problem. I've got a set of cans where the invar has actually rusted, and the
connectors were all shot.
On Tue, Aug 31, 2010 at 10:42 AM, ka9qjg ka9...@wowway.com wrote:
Wow
They don't provide schematics, but they will be more than happy to sell you
a new power supply.
After that conversation I swore off buying Tripp Lite anything.
Pretty much replace all the semi-conductors and any electrolytics that have
exploded.
On Mon, Aug 30, 2010 at 1:26 PM, Chuck Kelsey
If it has the correct IF module it can. Early modules were wide, Later
modules were Wide/Narrow software selectable.
On Fri, Aug 27, 2010 at 8:07 AM, Jim in Waco WB5OXQ wb5...@grandecom.netwrote:
I have a uhf master 4 that has been used for years as a paging exciter.
Now the pager business
While it is possible to use one of these narrowbanding kits, it would not be
type accepted for commercial use unless someone paid for the testing and
filed with the FCC.
On Fri, Aug 27, 2010 at 10:56 AM, Tom Manning af...@bellsouth.net wrote:
Hello Jim
I note your message about
http://repeater-builder.com/ge/lbi-library/lbi-38763a.pdf
On Fri, Aug 27, 2010 at 4:25 PM, NORM KNAPP nkn...@twowayradio.net wrote:
Hi guys.
I just picked up a set of Wacom duplexers. They have this on them: REMEC
WACOM 344A3371-P1.
They may have come with a GE Mastr III repeater some time
As receiver bandwidth narrows, higher frequency stability is required.
Handhelds with ovenized reference oscillators are not very practical.
On Fri, Aug 27, 2010 at 8:01 PM, Matthew Kaufman matt...@matthew.at wrote:
On 8/27/2010 7:33 PM, larynl2 wrote:
This has always interested me, and I've
front end, there should be NO appreciable difference in
range; the NB system could even be a bit better.
Tom
--- In Repeater-Builder@yahoogroups.com, DCFluX dcf...@... wrote:
As receiver bandwidth narrows, higher frequency stability is required.
Handhelds with ovenized reference oscillators
I've seen this before on Wacom BpBr duplexers. Remove the coupling loop from
the cavity and re-solder the connectors. Use 2% silver bearing solder if you
can find it.
On Wed, Aug 25, 2010 at 1:27 PM, Tim Sawyer tisaw...@gmail.com wrote:
Here's the latest: We went up to our site yesterday. We
of pass cavities, not a duplexer. Do the band pass
cavities have the same problem?
--
Tim
:wq
On Aug 25, 2010, at 1:32 PM, DCFluX wrote:
I've seen this before on Wacom BpBr duplexers. Remove the coupling loop
from the cavity and re-solder the connectors. Use 2% silver bearing solder
if you
Get 2 CB whips, Cut 1 for 1/4 wave at 10M and cut the other for 1/4 wave at 6M
Build a metal spacer bracket. 3 inches long by 5/8 or 3/4 Drill 2
holes on the end and one in the center for the 3/8-24 hardware. Bolt
whips to the ends of the spacer, use star style lock washers.
Use a 3/8-24 x 3/4
Just by your description of the pins, I would suggest you look at the
LM-380, 2.5W amplifier. They are tied together as they act as the
chips heatsink.
On Fri, Jul 23, 2010 at 1:19 PM, hitekgearhead
hitekgearh...@hotmail.com wrote:
Hey Guys. I was looking at the schematic for the above
Oops, didn't realize it was the stereo version, Try LM1887.
On Fri, Jul 23, 2010 at 1:28 PM, DCFluX dcf...@gmail.com wrote:
Just by your description of the pins, I would suggest you look at the
LM-380, 2.5W amplifier. They are tied together as they act as the
chips heatsink.
On Fri, Jul 23
Err. LM-1877
On Fri, Jul 23, 2010 at 1:35 PM, DCFluX dcf...@gmail.com wrote:
Oops, didn't realize it was the stereo version, Try LM1887.
On Fri, Jul 23, 2010 at 1:28 PM, DCFluX dcf...@gmail.com wrote:
Just by your description of the pins, I would suggest you look at the
LM-380, 2.5W
Maybe a pair of those 6 cavity mobile duplexers with the 5 MHz split
can be configured as 6 notch sections each to reject the opposite
frequency. and then combine them with a T to the antenna.
Lossy, but should be cheap, I've seen those go in the $20 range.
On Thu, Jul 15, 2010 at 1:49 PM, MCH
I could live with 3dB of loss which is about what I would expect per
leg. I've ran the UHF notch duplexers back wards and they have ran
ok, but the insertion loss does go up like 1-2dB.
If you want to get picky you would have to modify each set so that the
coupling loops and coaxes are the same,
Hey, I didn't need DCS at the time.
Looks like TX code is at 80-81 Hex, and RX code is 82-83
81 EC = D023N
81 E6 = D026N
What DCS code do you need?
On Thu, Jul 15, 2010 at 8:46 PM, Jeff Lavoie - KB1SPH/WQEX694
kb1...@wqex694.info wrote:
Ok, let me make it a little more clear for anybody that
Scratch that 00-01 is TX, 02-03 is RX
On Thu, Jul 15, 2010 at 9:35 PM, DCFluX dcf...@gmail.com wrote:
Hey, I didn't need DCS at the time.
Looks like TX code is at 80-81 Hex, and RX code is 82-83
81 EC = D023N
81 E6 = D026N
What DCS code do you need?
On Thu, Jul 15, 2010 at 8:46 PM, Jeff
Invar is a special material. It is special that is has very low tempreture
expansion characteristics. When used for the tuning rod in a duplexer it
will compensate the expansion in the copper center conductor so that the
frequency of the cavity does not drift. I calculated a 6m cavity that uses
Best I can tell the original code was written in assembler on an IMASI
8080 with a development system of some kind.
Last I checked the source code from Link Communications was not available.
On Tue, Jul 13, 2010 at 4:12 PM, n...@no6b.com wrote:
At 7/12/2010 20:56, you wrote:
Jeff Lavoie -
Thanks for the hot tip! Just what I needed!
On Thu, Jul 1, 2010 at 1:44 PM, La Rue Communications
laruec...@gmail.comwrote:
Ran across this website
http://www.hampedia.net/motorola/mt-1000.php
Found out it has the RSS to the Motorola MT1000. And me being the cautious
guy to never get
Try running a 440 cavity filter in 3/4 wave mode.
On Wed, Jun 30, 2010 at 5:52 AM, robertogrb is0...@is0grb.it wrote:
Hi to all.
I'm searching a project of 1296 cavity filter, to use also for atv
1240/1290MHz.
Could be interesting also a project of 1296 cavity filter with unique antenna
Usually 250V. The more robust ones are rated for 500V, but generally as
capacitance range goes up working voltage goes down. See if you can find
some Russian surplus on ebay, those trimmers are built like a tank.
On Sun, Jun 27, 2010 at 5:58 PM, Tim tahr...@swtexas.net wrote:
Hi Eric,
I've
1/4 super flex makes a pretty decent gimmick capacitor.
On Sun, Jun 27, 2010 at 10:16 PM, skipp025 skipp...@yahoo.com wrote:
Instead of piston trimmers you might want to try ARCO
padders (postage stamp size that can tolerate higher levels
of rf current) or small air variable capacitors. I
Are the cables coming from the GPS reference are the same length at both sites?
Also if these are VHF it could be that the reference frequency
(channel spacing) is 5 kHz, if that is the case a harmonic of a paging
tone might get past the audio pass band filtering 300 - 3000 Hz
typically and is
Propagation delay in the coax.
Get a dual trace oscilloscope and feed it with a 10 MHz GPS, off of a
Tee and into 2 different lengths of coax.
I could see the DC offset thing if the audio was coupled with a 1uF
cap at one site and a 0.1uF at the other.
Maybe I'm missing something here, but how
Well if the transmitters are running at the same frequency but at a
different phase it is reasonable to expect that there would be some
point where the 2 transmitters are at close to the same power level,
but 180 degrees out of phase which should cancel out the receiver or
at least make
Falsing of the DTMF decoder in the controller? Disable DTMF muting
temporarily and see if the problem stops.
On Sun, Jun 6, 2010 at 7:55 AM, mimomeg mimo...@yahoo.fr wrote:
Seem to have period where my transmission (voice) cuts out for a few seconds
every so often, and the person at the other
I'd cut the trace from the modulator section feeding the PLL so the TX
has 0 modulation, Or you can try turning off the PL tone and grounding
the mic pin.
For keying I would jam PTT to ground, and switch the line that feeds
switched B+ to the predriver stage of the PA.
You could use just the PTT
Suitable 6 cavity Flat Pack mobile duplexers are in the $100 range
on eBay. Thats probably cheaper than the feedline and second antenna.
On Wed, Jun 2, 2010 at 5:10 PM, Chuck Kelsey wb2...@roadrunner.com wrote:
Do your coverage tests with one radio at the repeater site and use simplex.
Someone
http://repeater-builder.com/sinclair/r101gc/r101_6m_mods.pdf
On Mon, May 24, 2010 at 7:10 PM, n5sx...@charter.net wrote:
Does anyone have a readable set of instructions to move a Sinclair R102G
duplexer from 39 Mhz to 6M? I would like to get my repeater on the air ASAP
and tuning the
Dont know for sure on the 1600, but for future reference the
calibration password on the IFR-1900CSA is CSMATE which will have to
be input from the keypad with the shift engaged. Apparently it is
written in the service manual, which I don't have. With that said you
should probably stay out of
You are seeing the noise floor of the spectrum analyzer
Either increase the generator strength or decrease the REF level, (Try
-40dBm)
On Wed, May 19, 2010 at 3:49 PM, Larry Horlick llhorl...@gmail.com wrote:
-62 does seem a tad high. Describe the duplexer...
On Wed, May 19, 2010 at 6:29
Take a look at the Propeller Chip, New from Parallax. Has 8
independent processors on a shared bus. Cant rattle off the specs off
the top of my head, but there is enough processor power to run a VGA
display, run a RS-232 terminal, get keyboard input and encode/decode
data at the same time.
TT4 uses the ATMEGA644P.
64K Flash, 4K RAM, 2K EEPROM with dual hardware UARTS.
On Mon, May 17, 2010 at 6:22 PM, Majdi S. Abbas m...@latt.net wrote:
On Mon, May 17, 2010 at 09:16:32PM -0400, MCH wrote:
Either that, or it was disinformation (although it's easy enough to
verify - I just didn't
Yeah, I could go for 1 or 2. I've got a bad habit of collecting weird
220 equipment, I've got both SEA and Linear Modulation Repeaters.
On Tue, May 11, 2010 at 7:08 PM, NORM KNAPP nkn...@twowayradio.net wrote:
I have (had) 4 if them.
I was going to give them to Bill in Atlanta. I have not yet.
Depends on the band.
2.0-2.2GHz is in the process of getting bought out by Sprint, so most of
that equipment is worthless unless it will tune up to 2.4 GHz for use on
ham.
7, 12, 24, and 36 GHz are commonly used for commercial applications
2.4, 3.4, 5.8 10 and 24 GHz are useful for amateur
,
and Nextel is re-structuring / re-banding the 800 MHz frequencies? Is there
an 800 MHz ham band?
John Hymes
La Rue Communications
10 S. Aurora Street
Stockton, CA 95202
http://tinyurl.com/2dtngmn
- Original Message -
*From:* DCFluX dcf...@gmail.com
*To:* Repeater-Builder
Stockton, CA 95202
http://tinyurl.com/2dtngmn
- Original Message -
*From:* DCFluX dcf...@gmail.com
*To:* Repeater-Builder@yahoogroups.com
*Sent:* Wednesday, May 12, 2010 9:27 AM
*Subject:* Re: [Repeater-Builder] Just curious... Microwave frequencies
No 800 band for hams, closest
Are there anymore of these available?
On Sat, May 8, 2010 at 10:15 AM, NORM KNAPP nkn...@twowayradio.net wrote:
Bill,
Give me a phone call about those 220 (217-219mhz) repeaters again. I would
like to meet you in your area monday evening and drop those off.
Thanks
Norm N5NPO
251-234-0295
Looks like a VHF Micor Transmitter Low Pass Filter to me.
On Tue, May 11, 2010 at 10:19 AM, La Rue Communications laruec...@gmail.com
wrote:
Need some help here. I have a Micor Part (I think) and the Motorola Code
does not bring up anything at all on Google. From my guidelines, I know that
Anyone got any FX-805J or MX-805J in the PDIP package?
I built a 1000 Hz decoder once based on the 567, it would swing
between 950-1070 depending on the mood it was in.
The ATV guys use these to create a video squelch, looks at the
frequency of the horizontal sync which is 15,374 Hz. Work fairly
-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Howard Z
Sent: Tuesday, May 04, 2010 10:18 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Re: LDF1-50 with PL259 UG-176 ?
DCFluX,
So, you have placed a standard PL259
Can some one take pictures of these?
On Wed, May 5, 2010 at 4:28 PM, NORM KNAPP nkn...@twowayradio.net wrote:
Give me a ring at 251-234-0295
- Original Message -
From: Repeater-Builder@yahoogroups.com Repeater-Builder@yahoogroups.com
To: Repeater-Builder@yahoogroups.com
Brute Force Hacking the TKR-820 / 720 Series
Hey, these make great little repeaters. They also are becoming fairly
common on the surplus market as companies are caving into the idea
that digital cellular is a better alternative to NBFM. Well anyway I
am sure you bought one for cheap or acquired
Try the reducer meant for RG-8X.
On Mon, May 3, 2010 at 11:21 AM, Jeff DePolo j...@broadsci.com wrote:
Hi,
I have read that one can put plain low cost PL259 connectors
on FSJ1-50A Andrew 1/4 inch suplerflex using a UG-176 reducer.
Yep.
Can the same be done with the Andrew LDF1-50 1/4
Ahh, right you are. Thats one of those things that you never refere to
by the proper name around here.
How about doing it without a reducer at all then?
According to this the dielectric size of RG-8 is 0.285
and LDF-1 is 0.29
Cant find the dimensions of the shield of RG-8 but it brings the size
Yes, I've done it.
On Mon, May 3, 2010 at 7:25 PM, Howard Z howar...@yahoo.com wrote:
I found some more specs:
fsj1-50a
diameter over dielectric 0.190
inner conductor OD 0.0750
Outer Conductor OD 0.250
fsj2-50
diameter over dielectric 0.280
inner conductor OD 0.1100
Outer Conductor OD
Didn't get enough of it, but I would that might be a prime number sequence
like in the movie Contact.
See what you get in on UHF Channel 37 (608-614 MHz) which is nationwide
reserved for radio astronomy.
Try this
Force the repeater transmitter on.
Walk around with a hand held that has a CW mode, such as a TH-F6A tuned to
the repeaters input frequency and get a detailed map of the area and note
the S meter readings.
Didnt those have a green LED on the front panel for COR?
On Mon, Apr 26, 2010 at 9:07 PM, Robert McNeill rob...@ncbfi.org wrote:
I want to link two repeaters together and have a couple of Icom 37a 220
rigs on the shelf. I have been searching for info on the best place to grab
a signal to
Change the split of the repeater to anything other than 600 kHz.
On Sun, Apr 25, 2010 at 8:06 PM, lpcoates bruce.coa...@sasktel.net wrote:
Hi
We have a local AM radio station on 600 kHz. Their transmitter site is about
10 miles from the center of the city. From what I've found on the web,
Around here the County doesn't care about towers, as long as they are 40'
and under and will fall on your property.
I do not believe there is a factory pre-amp made for this unit. I believe
factory spec is 0.35uV for 12dB SINAD.
If you decide a pre-amp is needed I'd stay away from the super high gain
GaAs FET type. I'd go with something in the 6 - 12dB gain range preferable
with a helical front end.
On Mon,
It is a dual stage circulator.
Attach dummy loads to the bottom connectors and sweep it with the generator
on the antenna side and the detector on the transmit side, you should see
about a 40-60dB dip on the frequency it is tuned for.
On Fri, Apr 16, 2010 at 2:11 PM, La Rue Communications
They may stretch up to 902-928 Ham.
On Fri, Apr 16, 2010 at 2:33 PM, La Rue Communications
laruec...@gmail.comwrote:
Thanks all for the speedy responses. I found one more (with a tag to boot!)
assuming they are all the same, they are Model CD800-F, tuned to 875.00 MHz.
Ugh, more 800 crap
I might be a little wrong because I dont have one in front of me, but try
this:
Connect the Generator of a spectrum analyzer to the connector all the way to
the right.
Connect a dummy load to the connector on the bottom left.
Connect the detector to the connector all the way to the left.
You
http://www.surplussales.com/Variables/ButterflyCapacitors/ButCap1.html
(CAV) 167-205-71 sounds close to it.
On Thu, Apr 15, 2010 at 11:59 AM, Gary Hoff k7ney...@q.com wrote:
I have an old Phelps Dodge VHF Duplexer that has a
frozen air variable. The Duplexer is a part# 499-509 and
covers
I would blame the tempreture compensation line that is going into the ICOM
before the crystals.
Please refer to the schematic on page 7 of:
http://www.repeater-builder.com/ge/lbi-library/lbi-30060d.pdf
I believe this line is typically in the 4 to 5v range
On Sun, Apr 11, 2010 at 1:57 PM, Lee
Working on converting a Linear Modulation (Similar to ACSSB) 220
Trunking repeater to Amateur Radio applications, but I need your help.
I am experimenting with a LMC3005 repeater, also known as
the Viking LX. I believe the RF and Signal processing boards are similar
to the ones found in the
Can you power one up and see what the display says?
Mine all show and have a solid squelch that blinks off about once
every 2 seconds. Maybe there is something critical in the RAM module
and the battery went dead.
As I understand it there is an elaborate power up thing that gets
displayed.
: Wednesday, April 07, 2010 1:42 PM
Subject: Re: [Repeater-Builder] Motorola Micor Part TCN1383A
On 4/7/2010 4:31 PM, DCFluX wrote:
Lets get some pictures
Well, TLF would indicate 800 MHz...
On Wed, Apr 7, 2010 at 1:12 PM, La Rue Communications
laruec...@gmail.comwrote:
Eric,
No results
According to the why page:
Malicious software is hosted on 1 domain(s), including imgdownloads.com/.
Sounds like its angry because of a picture in an article is hosted there.
On a related note our 8e6 web filter here at the shop 8e6 also
classifies imgdownloads as malicious/virus
Sorry it does not specify where it saw that link.
On Thu, Apr 8, 2010 at 12:10 PM, Mike Morris WA6ILQ wa6...@gmail.com wrote:
Do you know which photo in which article?
Mike WA6ILQ
At 11:53 AM 04/08/10, you wrote:
According to the why page:
Malicious software is hosted on 1 domain(s),
Sounds like the PLL is out of lock on that band
On Thu, Apr 8, 2010 at 1:39 PM, Lee Pennington
localjunkpedd...@gmail.comwrote:
Hi guys,
Since I can't address the site, I'd like some info into solving a
problem with my 10 M beacon: Realistic HTX 100
It's been on the air flawlessly
Lets get some pictures
On Wed, Apr 7, 2010 at 1:12 PM, La Rue Communications
laruec...@gmail.comwrote:
Eric,
No results as the Parts Department says they're obsolete. Duh – tell me
something I dont know. I was not able to get any info on the remote chassis,
and two triplers that I have.
The ones I have were a little bit hinky until I lengthened the jumpers
approx 3/4.
On Sun, Apr 4, 2010 at 10:30 AM, Ken Arck ah...@ah6le.net wrote:
I have one I'm retuning and it's acting hinky on the notch tuning.
Guess I need their instructions
Ken
I pre-ordered one on March 32, hope its shipped soon.
Remove one of the coupling loops and replace it with a metal hole
plug, the cavity will then turn into a notch.
Place either 1/4 electrical wavelength cable or 1/2 wavelength between
the Tee and the cavity if you desire a high pass or low pass peak to
the notch.
On Thu, Apr 1, 2010 at 9:40 AM,
The connectors should be fine, I wouldn't trust the aluminum feedline. You
may want to try using an anti-oxidation compound, such as No-Ox or Aluminum
Ox-Gard during assembly.
On Mon, Mar 29, 2010 at 2:36 PM, Eric Lowell elowell9...@yahoo.com wrote:
LDF4 with the non-plated connectors,
I'll have to ask a cable guy what they do, but all of the connectors
for the aluminum hardline I have seen are aluminum as are the housings
of the amplifiers, so the dissimilar metals issue does not exist 95%
of the time in the cable TV world.
In the RF world that is another story, I just took
Didn't eBay ban this method as they werent getting their double dip
through Paypal?
I refuse to use paypal due to privacy concerns (they have been known to
sell personal information in the past.) This is just more ammo against
using them.
Frankly, if someone won't take a USPS money order,
I'll chime in,
Paypal inadvertently sent a transaction twice withen 4 seconds of each
other. After holding for 30 minutes the asian lady on the phone said there
was nothing she could do as the transaction already went through and I'd
have to contact the seller and ask to refund one of the
EF Johnson Challenger 7152A?
VHF 55W
http://www.repeater-builder.com/johnson/efj-index.html
http://www.ccdx.org/zedyx/mods/challenger.htm
On Tue, Mar 16, 2010 at 3:43 PM, Doug ap...@sasktel.net wrote:
I have a vhf radio presently on 162mhz made by E.F Johnson.
It is a small unit, but I can't
Dont know the dimensions of the filter, but perhaps you should try
replacing the tunning slugs with brass screws of the same threading
that are longer as well.
On Wed, Mar 10, 2010 at 4:39 PM, Thomas Oliver tsoli...@tir.com wrote:
Not knowing what the MSR filter looks like I wonder if you could
Why not just buy a retired GE MASTR-II station and convert it?
If your looking for something synthesized you might try Spectra
Engineering Pty. Ltd.
They could probably make a Band A3 39-50 MHz MX-800 play on 6m ham.
Please provide make and model of repeater, controller, duplexer and
input frequency.
2.4 GHz, there are numorous TV transmitters already designed that
operate here, 2 of the 4 channels common channels fall on the ham band
and are often converted for ATV use.
On Thu, Mar 4, 2010 at 12:42 PM, MCH m...@nb.net wrote:
The premise is common sense, but, as you say, this is the
Of DCFluX
Sent: Friday, March 05, 2010 2:08 AM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: Interference
Please provide make and model of repeater,
controller, duplexer and
input frequency.
Yahoo! Groups Links
feedline as
someone else suggested.
On Thu, Mar 4, 2010 at 2:56 PM, Leroy A. M. Baptiste
leroybapti...@spiceisle.com wrote:
146.760 Mhz.
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On
Behalf Of DCFluX
Sent: Friday, March 05, 2010 5
Until they start bringing up ATV repeaters, The common input
frequencies are 439.25, 434.0, 433.25, 427.25 and 421.25.
Now, see the channel assignments for the analog video? Since the video
carrier is 1.25 MHz above the bottom of each channel, we can predict where
most of the energy is going
Take that crap up to 2.4 GHz with the rest of the garbage.
Wrong channel stepping on the radio it is connected to?
On Wed, Mar 3, 2010 at 2:08 PM, gibsn406 gibsn...@yahoo.com wrote:
My RBI-1 was working. Now what ever command you ask it to doit jumps the
frequency of the radio 15kc.
Reset does not help. trying to even change the power setting
Got the auction number?
On Wed, Mar 3, 2010 at 9:30 PM, wa1nh wa...@arrl.net wrote:
UMM..
Was just perusing eBay. Guess what I found
Search on Recon Scout in cameras an photos!
Is this the same device?
So much for part 90 licensing.
Jason, WA1NH
--- In
On that note I should point out that most explosives devices don't
like being exposed to RF.
And AM NTSC video tends to get into a bunch of stuff with the sync pulses.
I think this warning appears in most mobile radio manuals and is
posted around blasting sites.
On Wed, Mar 3, 2010 at 10:12 PM,
How about a 7809 regulator IC with a 1N4004 diode in the ground leg to
raise the output voltage to 9.6V?
I was envisioning mounting it to something metal for heatsinking purposes,
but I guess you could probably use one of the screws on the backplane plus a
little TO220 heat sink. Whatever
In that case Just a straight 7809 or 7810 also would not require
isolating the tab and can be mounted straight to the metal chassis.
If it were me, I'd just use a 9 or 10 volt three terminal regulator
(7809 or 7810) and skip the whole LM-317 or diodes in the ground leg
deal. It only serves to
Don't know who you talked to over there but here is the link for it off of
their own website...
http://www.link-comm.com/ftp/acc/rc85.zip
On Tue, Feb 23, 2010 at 1:02 PM, felix rosasco felixp...@yahoo.com wrote:
Hello to all,
Any one knows where to get the Software upgrade for the
How about 1.25 MHz RF coming down the outer jacket of the UHF antenna
and into the ground of the system? You have about 200 ft or so of
coax? Try a mag mount antenna temporarily.
Not really sure how you'd cure that though. Not sure if snap on RF
beads would work on coax with a signal going in
I'd be intrested in one or both of the duplexers, would you take $50
and $20 shipping each?
On Mon, Feb 22, 2010 at 11:50 AM, bbfmrf bbf...@yahoo.com wrote:
I placed the following post regarding a pair of 220 MHz duplexers and
received a few interest messages, but after the initial messages,
If you have a spectrum analyzer, look at the receiver pass side of the
duplexer, you should see the garbage come up as soon as the
transmitter keys. Also if you do not modulate the repeater the
garbage should be decode able with a radio such as the Kenwood TH-F6
or Yaesu VX-7 set to AM mode tuned
ARCsoft Scan and Stitch is what I used.
On Fri, Feb 19, 2010 at 12:41 PM, Robert Pease r...@jfcsonline.com wrote:
All Hail GIMP
*From:* Repeater-Builder@yahoogroups.com [mailto:
repeater-buil...@yahoogroups.com] *On Behalf Of *Benjamin L. Naber
*Sent:* Friday, February 19, 2010
I was surprised how well the scan stitch worked, it even has fine skew controls.
I'm more interested in an OCR program that will spit out regenerated
text with the correct font and in the right places for a PDF.
Yeah, I could see that. He did not specify the crystal manufacture, plus the
factory compensated the element to what crystal was originally in it.
I just got some Bomar crystals (Not my choice) for the clubs UHF Micor. The
TX was off 14 to 39 kHz, Had to add a 10pF cap to get the trimmer in the
Seriously, some people need to read the original message before replying.
The original complaint was running out of tunning range on the piston
trimmer in the channel element while trying to net the crystal on frequency.
Not rubbering the crystal to another channel or Nuclear warfare on an
I think you are referring to not being able to net the rocks to the
correct frequency in your channel element. This is usually due to not
enough or too much capacitance in the oscillator circuit. Good crystal
manufacturers will supply the mid range temperature compensation
capacitor with their
Do you know what type of coax is going up to the antenna?
Foil/Braid coax such as LMR-400 and 9913 are known desense generators.
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