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Author Topic: ano maganda transceiver, etc.?  (Read 2239 times)

praeto_RYAN

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ano maganda transceiver, etc.?
« on: November 03, 2009, 08:08:47 pm »
pabor para sa isang kaibigan, ano maganda na transceiver, preferably vhf?  meron kasi ako existing icom v-8 and ipapahiram ko na lang sa kaibigan ko para bawas isa sa bibilhin niya.  he's in charge kasi sa security ng isang local pulitiko.  dati gamit nila ay gmrs/frs pero hindi masyado suited daw sa pangangailangan nila at asar sila sa parang between one to two seconds delay between mic press at yung mismong pagtrigger sa kabilang radio ng audio.  if possible yung may similar features ng v-8 para magamit yung ctcss, dtcs, dtmf para hindi lalabas audio nung mga sisingit without the proper codes.  tama ba ito na assumption?  mas mainam kung merong dc jacks for power supply when on mobile para hindi masyado magastos sa stored power ng battery pack para hindi mabilis madrain.  mas ok din pag 7 watts or higher ang bato.  pwede rin bang gamitan ng booster ang mga portables or base lng talaga?  ano rin magandang mobile antenna?  meron pa bang larsen antenna for portables or mas may magandang antenna besides larsen?  ito kasi gamit ko dati sa 02AT at 02N ko.

ganito kasi yun, pag convoy daw sila, advance party would be advancing (siyempre) mga 1 to 3 kms away to clear the way, depending on the condition of the place.  meron din sila trailing teams to watch their back, pero mga less than 1 kilometer lang ang layo.  pag nasa venues, perimeter teams need to communicate discretely kaya sama niyo na rin mga mic or headsets, whatever they are called.

if possible include where this can be purchased and going price.  include na rin kayo ng pics kung pwede.  initial purchase would be for 5 radio sets for evaluation. 

nagradyo din ako dati, late 80's to early 90's and dami mga nakilalang YM, he he he.

 
When you brighten another's path, you also brighten your own. - Transsiberian (2008)

kbraner

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Re: ano maganda transceiver, etc.?
« Reply #1 on: November 03, 2009, 08:19:47 pm »
nasubokan na namin nuon maglagay ng booster sa portable

praeto_RYAN

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Re: ano maganda transceiver, etc.?
« Reply #2 on: November 03, 2009, 08:52:20 pm »
parehas ba ang booster for portables and mobile base?  kaya kaya ang 2 to 3 kms with terrain obstruction kung portable to portable lng with larsen antenna, or kailangan meron mobile antenna?
When you brighten another's path, you also brighten your own. - Transsiberian (2008)

tolstoi

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Re: ano maganda transceiver, etc.?
« Reply #3 on: November 04, 2009, 12:15:42 am »
Bro, VHF and UHF transciever is point to point signal yan. Sa 2 -3 Km distance at may terrain or obstruction in between, medyo malabo na mag communicate ang dalawang radio transciever . Ang tanong ko sa yo, Saan ba ang location ng kaibigan mo ? I mean ,saan parte ng Pilipinas sila. Kung pang politics ang purpose for the communication, Mas mabuting gumamit sila ng UHF dahil mas may privacy sa higher band freq. Magtayo na lang sila ng repeater para kahit saan sila depending on the location of the rpt machine, magkaka kopyahan tiyak ang bawat isa. Ours is located in Baguio and Tagaytay.

praeto_RYAN

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Re: ano maganda transceiver, etc.?
« Reply #4 on: November 05, 2009, 12:50:13 am »
sssshhhhhhh, dahil spur of the moment ito, hindi na dadaan sa tamang proseso, kaya malabo yung repeater option.  what if they would be using mobile antennas?  hindi pa rin magkakadinigan?  we tested two portables with their stock antenna kasi, 700 - 800 meters nagkakadinigan pa and malinaw pa comms.  tutal ang may gap lng nmn ay yung advance party, what if sila saka yung convoy commander ang nakamobile antenna?  d rest portables with larsen antenna na lng?  we might be going with the option of VHF kasi nga may existing na akong V8, baka may mahiram pa na another similar unit. 
When you brighten another's path, you also brighten your own. - Transsiberian (2008)

tolstoi

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Re: ano maganda transceiver, etc.?
« Reply #5 on: November 05, 2009, 02:28:50 am »
Well kung communication purpose na pang short distance lang, pede na siguro yan, pero gaya ng sabi mo na galing ka rin sa amateur band (vhf) mukhang di advisable na gamitin nila  yan lalo na kong for coomunication and security purposes sa isang VIP dahil maraming tao na ang nag m- modulate sa 14mhz (low and high freq.)commercial and amateur band. Sa dami ng tao na gumagamit dyan sa band and frequencies sa 14mhz and 15mhz,  Of course ayaw na ayaw mo syempre na may naka monitor and biglang magsasalita while nasa convoy kayo. Sa madaling salita, VHF is no privacy . Eh di lahat ng pinag uusapan sa convoy monitored din ng kalaban ni  VIP? .Anyway, if no other choice talaga, pede na pag tyagaan yan ng kaibigan mo. Marami mabili sa Sta Cruz/Quiapo na radio transciever. Hanapin mo ang Radiotech electronics store.

TobleRONe

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Re: ano maganda transceiver, etc.?
« Reply #6 on: November 05, 2009, 02:33:55 am »

nagradyo din ako dati, late 80's to early 90's and dami mga nakilalang YM, he he he.


pa OFF TOPIC lang

dami ka nakilalang YM's? mga Young Men?

or do you mean YL's? Young ladies

praeto_RYAN

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Re: ano maganda transceiver, etc.?
« Reply #7 on: November 05, 2009, 04:00:51 am »
typo, YLs pala, he he he.  one-way ng mga tropa pag pangit, pag maganda, hindi mo na sila mahagilap, he he he. pag natagalan sa eyeball, alam mo na Q5 na yung babae, he he he
When you brighten another's path, you also brighten your own. - Transsiberian (2008)

praeto_RYAN

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Re: ano maganda transceiver, etc.?
« Reply #8 on: November 05, 2009, 04:14:15 am »
medyo covered na yung issue about sa secrecy, radio discipline ang dapat pairalin ika nga, pag hindi importante, huwag magmodulate.  tapos frequently change frequency sila during trips, tapos change frequency sets (example, for a day, program sila ng 10 frequencies, then lipat lagi during the day,for the next day, palitan frequency ng sampung channels).  para naman dun sa sisingit sa frequency, pwede siguro gamitin na lang yung CTCSS para pag tama code, open squelch on all radios, pag hindi tama code, may papalo sa meter pero walang lalabas sa audio.

help naman, ano po suggestions ninyo, say ganito yung setup

vehicle 1 - advance party
vehicle 2 - convoy / security commander / front guard
vehicle 3 - vip
vehicle 4 - trail / rear guard

in front and at the back of vehicle 3, mga 3 two-wheelers for added security

pwede rin yung vehicle 1 and 4 gawing two-wheelers depende sa terrain.  ano po mganda setup ng radio for all vehicles?
 
bale distance between vehicle 1 and 2 is around 1 to 3 kms.

dagdag na rin kayo ng mic/headset na pwede gamitin when in the venue itself and when on mobile kasama na rin mga naka two wheels
When you brighten another's path, you also brighten your own. - Transsiberian (2008)

praeto_RYAN

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Re: ano maganda transceiver, etc.?
« Reply #9 on: November 05, 2009, 04:18:40 am »
dagdag ko din lng, movement coordination lng mlamang gagawin sa radio during convoy and when in the venue itself, nothing much valuable as to political tactics (like, say, vehicle 1 clear on my sector.  vehicle 3, dikit ka ng konti, etc) hope you get the point. 
When you brighten another's path, you also brighten your own. - Transsiberian (2008)

TobleRONe

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Re: ano maganda transceiver, etc.?
« Reply #10 on: November 05, 2009, 04:33:55 am »
maganda itong topic na ito nagbabalak nga ako bumili for emergencies.

remember kay ondoy, 2 way radios lang ang nagagamit nilang communication since down ang cell sites at landline. iba na yung handa.

praeto_RYAN

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Re: ano maganda transceiver, etc.?
« Reply #11 on: November 05, 2009, 08:41:19 pm »
correct, sama na rin yan na scenario.  a couple of years ago, six vehicles kami na convoy going to bicol from northern luzon, gamit namin frs/gmrs radios.  putek, mabilis lang madrain yung mga batts, so solution ay ginagamitan na mga yun ng rechargeable batteries.  problema nga lang ay medyo malapitan lang ang kayang range especially pag mobile ka. 

dagdag po, may significant difference ba ang vhf and uhf in as much as range is concerned.

dun sa mga articles with regards V8 may nakita ako regarding making it MILSPEC at yun daw gamit ng mga sundalo, what the heck does that mean?

saka para saan yung optional decoder?

sana may HAM tayo dito na makasagot ng mga katanungan ko at second to third week of november na kailangan mga gamit.  don't get me wrong, matino yung primary nung barkada ko, kaya mga siya marami nakakaaway sa pagiging straight niya kaya kailangan talaga niya ng tight security.
When you brighten another's path, you also brighten your own. - Transsiberian (2008)

praeto_RYAN

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Re: ano maganda transceiver, etc.?
« Reply #12 on: November 05, 2009, 10:22:38 pm »
bagong sagap na info sa net at im also searching for ideas sa net, UT-109 or UT-110 - voice scrambler, im not sure which goes with which radio model but i think this could solve the privacy issue with respect to using 2M for this particular purpose.  sino alam ninyo nagbebenta at sino nagkakabit?  package deal na lang sana, dun na rin kukunin radios tapos sila na rin maglalagay nung UT.  thanks.
When you brighten another's path, you also brighten your own. - Transsiberian (2008)