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Type: Posts; User: AE6ZW

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  1. Replies
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    8,883

    here in US, some people who like high tech and...

    here in US, some people who like high tech and like to experiment with digital voice went to D_STAR, but for most HAM , the cost of buying new radio is issue. I suppose that is apply to many HAM...
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    2
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    5,032

    this web site has technical detail of AX 25 , if...

    this web site has technical detail of AX 25 , if interested
    http://n1vg.net/packet/index.php
    and OPEN TRACKER 2 has decode build in as well as encoder.
    they seems to be sensitive enough to decode...
  3. Replies
    3
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    2,602

    I got this solar charger controller for $20 at...

    I got this solar charger controller for $20 at ebay shipped from Hong Kong, it works well, I like that it has adjustable variable POT for charge stop voltage. ...
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    5
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    4,796

    Ham Radio here in US, 2 mtr 60 watts FM mobile is...

    Ham Radio here in US, 2 mtr 60 watts FM mobile is selling for $120. I afraid many bought those radio to use as business radio, here 144.000 to 144.500 MHz there is a lot of illegal operations.
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    2,739

    sound like good idea. I wish we have more cross...

    sound like good idea. I wish we have more cross band repeaters here in US.
  6. Replies
    3
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    3,258

    may be VOR from 108 to 118 MHz ? they send 3...

    may be VOR from 108 to 118 MHz ? they send 3 digit morse code ID slowly. and ID repeat at certain interval.
  7. Replies
    24
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    16,640

    7 MHz to 21 MHz CW slow speed with hand key. I...

    7 MHz to 21 MHz CW slow speed with hand key. I use KENT engineering key.
    20 to 50 watts with HF vertical ANT.
    some 2 mtr FM simplex.
  8. Replies
    14
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    18,053

    here in US, something like foundation license is...

    here in US, something like foundation license is Technician class license, they have limited CW privilege in some of HF band up to 200 watts , SSB on 10 mtr, 50 Mhz and up, they have full privilege...
  9. Thread: Problem FRG-7000

    by AE6ZW
    Replies
    3
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    8,538

    you meant MSM 5524 counter clock IC with VFD...

    you meant MSM 5524 counter clock IC with VFD driver ? that IC was made for clock radio for car stereo with VFD, so if you found some older car stereo with VFD, you might find those IC, also there...
  10. Thread: Yaesu ft 757gx

    by AE6ZW
    Replies
    2
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    4,935

    Base Radios I think the battery is TAB kind , and it is...

    I think the battery is TAB kind , and it is soldered in, in the passed, I bought battery holder to hold CR123A and put in some where with double sticky tape, and solder the wire. CR123A last...
  11. Thread: Dual band rig?

    by AE6ZW
    Replies
    7
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    4,625

    here in US, even I think most of the activities...

    here in US, even I think most of the activities are on 2 mtr , not much in 440 MHz band. and I am hearing rumor in US, we will probably lose most of 440 Mhz band, so it may be good idea to buy 2...
  12. Replies
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    4,683

    12.5 V with engine running sound like too low of...

    12.5 V with engine running sound like too low of voltage, battery to even charge. most of the car I have driven always had at least 13.3 V I believe most radio still work just fine even with 12.5 V...
  13. Thread: Mag mount

    by AE6ZW
    Replies
    3
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    3,587

    yes, it require half wave , non ground plane type...

    yes, it require half wave , non ground plane type antenna. not good for 1/4 wave , or 5/8 wave , etc.
  14. Replies
    6
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    4,820

    here in US, when I used to live in place they...

    here in US, when I used to live in place they have a lot of bad weather, I often chit chat fellow driver on simplex 146.520 MHz FM frequency. also, CB radio is useful.
  15. Replies
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    5,565

    I have placed many clip on RFI choke / EMI...

    I have placed many clip on RFI choke / EMI filter, on coax cable, power cable of radio, anything else you can think of, it usually fix type of the problem described , in the passed for me. I put...
  16. Thread: Mag mount

    by AE6ZW
    Replies
    3
    Views
    3,587

    my personal preference is to use suction cup like...

    my personal preference is to use suction cup like this one with antenna base connector attached.
    it is easy to take off and no scratch. and it hold better than magnetic mount, just need to put...
  17. GRE makes good scanner, normal analog scanner...

    GRE makes good scanner, normal analog scanner such as PSR-100 , price is less than $100, often around US $85, or if you are using it in US, PSR-300 or PSR-310 with analog trunk scanning may be...
  18. Replies
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    7,472

    since I lived in crowded apartments, many of UK...

    since I lived in crowded apartments, many of UK article for antenna apply more for me, than many of US article which are made more for people with house and large lot. thanks for info.
  19. Replies
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    6,030

    crow bar circuit triggering ( SCR1 ) does not...

    crow bar circuit triggering ( SCR1 ) does not cause massive current in Q2 or 2N3771 following Q2, it will cause massive current flow in Q101, Q102 pair of 2N3771 however. because they all work...
  20. in the video it says NIMH battery pack, it seems...

    in the video it says NIMH battery pack, it seems like it is about size D cells in shrink wrap , may be 10 of them to get 12 V ? most of size D NIMH cell has about 10 AH, and they have high current...
  21. I never felt need for GND of 12 V radio other...

    I never felt need for GND of 12 V radio other than RF GND as long as antenna is not very high. however, I used to repair radio, some lighting stricken one. when lighting strike antenna , it seems...
  22. Replies
    2
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    3,224

    I use power supply 2 A MAX to charge deep cycle...

    I use power supply 2 A MAX to charge deep cycle wet lead battery, and run all of my radio from it, the battery has a lot of current capability. and 2A power supply was found as junk some where. it...
  23. Replies
    2
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    5,676

    this link here contain many older book in digital...

    this link here contain many older book in digital form, which are tube circuit for radio.
    http://www.pmillett.com/tubebooks/technical_books_online.htm
  24. Thread: Auto ATU

    by AE6ZW
    Replies
    6
    Views
    12,873

    I use LDG AT 200 auto tuner, I have placed...

    I use LDG AT 200 auto tuner, I have placed outside right at feed point of antenna. and feed tuner with separate wire for 12 V power. it seems like auto tuner works better if I placed at outside at...
  25. Replies
    18
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    16,055

    yes, that is my problem also, specially in...

    yes, that is my problem also, specially in crowded apartments. noise is very high. SSB is useless where I live, but CW with narrow filter can cut down much of noises. but, still not perfect. I...
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