Bitcoin donations to: 1CE9UfWJcHBYkWPns7iqBqZgKhd5xfqEaM thanks!
Buy Bitcoins easily by clicking HERE!


Use coupon radiopreppers for 20% off on the above site.

Show Posts

This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to.


Messages - Jon_Garfio

Pages: [1] 2 3 ... 5
1
Antennas / Re: Successful Wire Antennas.
« on: August 06, 2018, 09:23:59 AM »
I think I have complete PDF into my ham radio books folder, I Will try to found It.

Enviado desde mi Redmi Note 4 mediante Tapatalk


2
I always used 10.5V as the minimum for lead-acid, SLA and AGM batteries, but I have no idea if that's 50%...

Gil.
Yes, 10.5v gives a better and long life st the batteries. I use the same config for my solar regulator.

Enviado desde mi Redmi Note 4 mediante Tapatalk


3
General Discussion / Re: Lets Talk Feedlines
« on: July 24, 2018, 05:27:50 AM »
I think 25% losses may be a bad conectors, not cable specs.

RG-174 and RG-58 at low same RF power hace the same specs.

Enviado desde mi Redmi Note 4 mediante Tapatalk


4
VHF and Above / Re: Important message!
« on: July 22, 2018, 03:01:06 AM »
He got the right.
Too much hams are gone todo Network digital radio (DMR, D-STAR...).
In my zone, only a few hams are still in FM.

People forget that networks can fail or drop, like internet or phone lunes, radio never.

Enviado desde mi Redmi Note 4 mediante Tapatalk


5
General Discussion / Re: Lets Talk Feedlines
« on: July 22, 2018, 02:54:08 AM »
I used RG-174, only for QRP HF, great performance, lightweight and foldable to carry into the backpack.

Also I just buyed a RG-316, It seem less losses than RG-174.

If you don't use too much long feed line I think don't have a apreciable losses.

Enviado desde mi Redmi Note 4 mediante Tapatalk

6
Batteries & Solar / Re: External battery tray for Youkits HB1B
« on: July 17, 2018, 07:29:53 AM »
Yes! Thatís what Iím looking for. Where did you find the 3x 18650 battery tray?


Sent from my iPhone using Tapatalk
eBay or Amazon, Also AliExpress, no more than 2 bucks shipping included

Enviado desde mi Redmi Note 4 mediante Tapatalk


7
Batteries & Solar / Re: External battery tray for Youkits HB1B
« on: July 17, 2018, 07:07:30 AM »
You have un internet chassis to hold 8xAA, 3x18650, etc.

Also you can use a little Li-Po cell.

Here you are some pics of my Rig with lipo 5000mA and 3x18650

Enviado desde mi Redmi Note 4 mediante Tapatalk

8
Morse Code / Re: Yaesu CW Filters
« on: July 13, 2018, 03:12:17 AM »
Yes, You got the right about It.
In fact, when I sold my 817, I bought a VHF rig plus the Elecraft because I want both bands.

With 817 you have all-in-one multi propose.

Anyway, if you become a cw fanatic, You need a high level performance rig than 817.
That's what its all about when getting a radio for preparedness. It's good for establishing contacts with low power drain, key factor. It's small, lightweight and ultraportable, but you still have HF VHF and UHF and all the modes you can wish for.

Enviado desde mi Redmi Note 4 mediante Tapatalk


9
Morse Code / Re: Yaesu CW Filters
« on: July 11, 2018, 12:52:07 PM »
817 is a swiss army knife, has all but no good in nothing.

If you are not a ultra fan of CW, perhaps 817 runs fine for your propuse but in my case, the 99.9% of HF QSO are CW mode, I want more performance, selectivity and tools to make posible better contacts.

Please tell us more. I am considering selling my two years old and unused FT817ND.

Why do you consider it not a good platform for Morse code (CW)?


Enviado desde mi Redmi Note 4 mediante Tapatalk

10
Morse Code / Re: Yaesu CW Filters
« on: July 10, 2018, 05:42:52 PM »
I bought for my 817 a 455khz filtre CW.
Works great and makes the rig runs well on cw Mode.

However 817/818 is not a good plattform for morse Code, in fact, I sold it and get a Elecraft K2.



Enviado desde mi Redmi Note 4 mediante Tapatalk


11
Antennas / Re: Linked Dipole
« on: June 27, 2018, 08:36:12 AM »
Low noise in Rx maybe indicatethe antenna doesn't work properly, loops antennas is another concept, but dipoles and verticals yes, loud noise (S3-S4) could be fine.

Congrats for balun and linked dipole, It is a Big deal in the mountain.

I have one for 40/20m and works really well without swr

Never thought of that haha. The noise is really irritating. But it could be it was so noisy because of the global contest ongoing? (king of spain contest)

Enviado desde mi Redmi Note 4 mediante Tapatalk

12
Antennas / Re: MFJ 971 vs LDG Z-817
« on: June 08, 2018, 01:31:21 PM »
LDG 817 is cheap (compared with Elecraft T1, p.e), is lightweight, fits perfect over the rig.

And for quick tunning, the best way is a auto tunner.

I like and enjoyed so much with Z-Match, transmatch and all manual tunners, but un this case, for 817, primary option Will be the LDG.

I am a big fan of MFJ tunners, I have two models and I ownered about four or five more.





Enviado desde mi Redmi Note 4 mediante Tapatalk

13
Antennas / Re: MFJ 971 vs LDG Z-817
« on: June 08, 2018, 05:00:11 AM »
Get the LDG atu for 817, Is the better choice.

I used a lot of tunners with the 817 but the best is the LDG

Enviado desde mi Redmi Note 4 mediante Tapatalk


14
Technical Corner / Re: Modding MTR4b for 13.8 volts..... possible ?
« on: May 22, 2018, 05:12:02 AM »
You need a voltage regulator or a step down.

Example:

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F162867196965

Enviado desde mi Redmi Note 4 mediante Tapatalk


15
Antennas / Re: Magnetic loop antenna.
« on: April 25, 2018, 02:08:01 AM »
I made this two months ago.
It is amazing how works into the floor.
The problem is found a good variable Air capacitor at low price.

Enviado desde mi Redmi Note 4 mediante Tapatalk


Pages: [1] 2 3 ... 5